Hot Sale Right Angle Gearbox for PGA Feeder Mixer Earth Auger
Introducing our Hot Sale Agricultural 90 Degree Farm Pto Right Angle Gearbox! This gearbox is perfect for your mower (grass cutter) needs. With its high universality, simple structure, and excellent performance, it’s a must-have for any agricultural or industrial machine.
Here are some key details about our gearbox:
ISO9001 Quality System examined & verified by Third Party of CQC
Passed second-degree safety quality standardization for machinery manufacturing enterprise
Precision forging and cutting by CNC machine
Heat treatment by German IPSON & laser techniques
Strict quality control by German CMM
Various gearboxes available for agricultural and industrial machines
Advanced technics and strong self-development power
Able to produce new type gearbox according to customer’s design drawings
Trust in our company, HangZhou CHINAMFG Industry Co., Ltd., to provide you with top-quality agricultural gearboxes. We are committed to delivering products that meet the highest standards of quality and safety.
Introducing Our Hot Sale Agricultural 90 Degree Farm Pto Right Angle Gearbox
Are you in need of a reliable and efficient gearbox for your agricultural machinery? Look no further! HangZhou CHINAMFG Industry Co., Ltd. is proud to present our Hot Sale Agricultural 90 Degree Farm Pto Right Angle Gearbox. With our years of experience and commitment to providing the best service, we have gained the trust of buyers worldwide.
Features:
High-quality construction: Our gearbox is manufactured using modern computerized machinery and equipment, ensuring durability and reliability.
Wide range of applications: Suitable for various agricultural machines, including tractor slashers, rotary tillers, PGA feeders, mixers, and earth augers.
Efficient speed reduction: The gearbox is designed to provide effective speed reduction, allowing for smooth and precise operation of your machinery.
Easy installation: With its 90-degree right angle design, our gearbox can be easily integrated into your existing equipment.
Benefits:
Competitive price: We offer our gearbox at a competitive price, ensuring great value for your investment.
One-time delivery: We understand the importance of timely delivery, and we strive to deliver your order promptly.
Prompt response: Our team is dedicated to providing quick and efficient responses to any inquiries or concerns you may have.
On-hand engineering support: We are here to assist you with any technical questions or support you may need during the installation or operation of our gearbox.
Good after-sales services: Our commitment to customer satisfaction extends beyond the purchase. We provide excellent after-sales services to ensure your continued satisfaction.
At HangZhou CHINAMFG Industry Co., Ltd., we prioritize quality and credit, and we are proud to be in compliance with ISO9001 standards. We are also capable of designing and manufacturing non-standard products to meet your specific requirements.
If you are interested in our Hot Sale Agricultural 90 Degree Farm Pto Right Angle Gearbox or if you need any further information or samples, please don’t hesitate to contact us. We assure you of our prompt and sincere reply.
FAQ:
Welcome to HangZhou CHINAMFG Industry Co., Ltd.!
Are you looking for a reliable manufacturer of agricultural gearboxes? Look no further! We are a friendly and cheerful factory that offers the most competitive prices and top-notch quality products.
Product Description:
Introducing our hot-selling Agricultural 90 Degree Farm Pto Right Angle Gearbox for Tractor Slasher Rotary Tiller PGA Feeder Mixer Earth Auger. This gearbox is designed to provide efficient speed reduction for your agricultural machinery.
Product Features:
High-quality construction for durability and long-lasting performance
Perfectly engineered by our skilled technical team to ensure optimal functionality
Wide range of applications, suitable for various agricultural machinery
Easy installation and maintenance
Product Benefits:
Enhances the performance and efficiency of your agricultural equipment
Reduces wear and tear on your machinery, extending its lifespan
Provides smooth and reliable speed reduction for improved productivity
Allows for precise control and maneuverability
Delivery and Payment:
For your convenience, we offer quick delivery times. Sample lead-times are generally 10 workdays, while production lead-times range from 20-40 workdays after receiving your deposit. We accept T/T payment, with 30% as a deposit and 70% before delivery.
Can’t Find the Product You Need?
No worries! If you can’t find the product you’re looking for on our website, simply send us an inquiry with product pictures and drawings by email or any other convenient method. Our friendly team will be happy to assist you.
Thank you for considering HangZhou CHINAMFG Industry Co., Ltd. as your trusted manufacturer. We take pride in offering top-quality products, excellent customer support, and quick delivery. Explore our other hot sale products and experience the difference!
Application:
Reducer
Function:
Speed Reduction
Layout:
Cycloidal
Hardness:
Hardened
Installation:
Torque Arm Type
Step:
Stepless
Samples:
US$ 200/Piece 1 Piece(Min.Order)
|
Request Sample
Calculating Gear Ratio in a Worm Reducer
The gear ratio in a worm reducer is determined by the number of teeth on the worm wheel (also known as the worm gear) and the number of threads on the worm shaft. The gear ratio formula for a worm reducer is:
Gear Ratio = Number of Teeth on Worm Wheel / Number of Threads on Worm Shaft
For example, if the worm wheel has 60 teeth and the worm shaft has a single thread, the gear ratio would be 60:1.
It’s important to note that worm reducers have an inherent self-locking property due to the angle of the worm threads. As a result, the gear ratio also affects the mechanical advantage and the system’s ability to resist backdriving.
When calculating the gear ratio, ensure that the worm reducer is properly designed and that the gear ratio aligns with the desired mechanical characteristics for your application. Additionally, consider factors such as efficiency, load capacity, and speed limitations when selecting a gear ratio for a worm reducer.
Worm Gearboxes in Conveyor Systems: Benefits and Considerations
Worm gearboxes play a crucial role in conveyor systems, offering several benefits and considerations for their effective integration:
Space Efficiency: Worm gearboxes have a compact design, making them suitable for applications with limited space, such as conveyor systems.
High Reduction Ratios: Worm gearboxes can achieve high reduction ratios in a single stage, allowing for slower conveyor speeds without sacrificing torque.
Self-Locking: Worm gearboxes have inherent self-locking properties, preventing the conveyor from moving when the motor is not actively driving it.
Directional Control: Worm gearboxes facilitate directional control, enabling the conveyor to move forward or reverse as needed.
Low Noise: Worm gearboxes often produce lower noise levels compared to other gearbox types, contributing to quieter conveyor operation.
However, there are also considerations to keep in mind when using worm gearboxes in conveyor systems:
Efficiency: Worm gearboxes may have lower mechanical efficiency compared to some other gearbox types, leading to energy losses.
Heat Generation: Worm gearboxes can generate more heat due to sliding contact between the worm and gear, necessitating proper cooling mechanisms.
Lubrication: Proper lubrication is critical to prevent wear and ensure efficient operation. Regular maintenance is required to monitor lubrication levels.
Load and Speed: Worm gearboxes are well-suited for applications with high torque and low to moderate speed requirements. They may not be optimal for high-speed conveyors.
Before integrating a worm gearbox into a conveyor system, it’s important to carefully consider the specific requirements of the application, including load, speed, space constraints, and efficiency needs. Consulting with gearbox experts and manufacturers can help ensure the right choice for the conveyor’s performance and longevity.
How to Select the Right Worm Gearbox for Your Application
Selecting the right worm gearbox for your application involves careful consideration of various factors:
Load Requirements: Determine the torque and load requirements of your application to ensure the selected gearbox can handle the load without compromising performance.
Speed Reduction: Calculate the required gear reduction ratio to achieve the desired output speed. Worm gearboxes are known for high reduction ratios.
Efficiency: Consider the gearbox’s efficiency, as worm gearboxes typically have lower efficiency due to the sliding action. Evaluate whether the efficiency meets your application’s needs.
Space Constraints: Assess the available space for the gearbox. Worm gearboxes have a compact design, making them suitable for applications with limited space.
Mounting Options: Determine the mounting orientation and configuration that best suits your application.
Operating Environment: Consider factors such as temperature, humidity, and exposure to contaminants. Choose a gearbox with appropriate seals and materials to withstand the environment.
Backlash: Evaluate the acceptable level of backlash in your application. Worm gearboxes may exhibit more backlash compared to other gear types.
Self-Locking: If self-locking capability is required, confirm that the selected gearbox can prevent reverse motion without the need for external braking mechanisms.
Maintenance: Consider the maintenance requirements of the gearbox. Some worm gearboxes require periodic lubrication and maintenance to ensure proper functioning.
Cost: Balance the features and performance of the gearbox with the overall cost to ensure it aligns with your budget.
Consult with gearbox manufacturers or experts to get recommendations tailored to your specific application. Testing and simulations can also help validate the suitability of a particular gearbox for your needs.
NMRV 571-150 worm gear box with flange and electric motor NMRV+NMRV Double Stage Arrangement Reduction Gear Box RV Series Worm Gearbox worm speed reducer nmrv worm gear motor
RV Series Including RV / NMRV / NRV. Main Characteristic of RV Series Worm Gearbox RV series worm gear reducer is a new-generation product developed by CHINAMFG on the basis of perfecting WJ series products with a compromise of advanced technology both at home and abroad. 1. High-quality aluminum alloy, light in weight and non-rusting. 2. Large in output torque. 3. Smooth running and low noise,durable in dreadful conditions. 4. High radiation efficiency. 5. Good-looking appearance, durable in service life and small volume. 6. Suitable for omnibearing installation. Main Materials of RV Series Worm Gearbox
1. Housing: die-cast aluminum alloy(frame size: 571 to 090), cast iron(frame size: 110 to 150). 2. Worm: 20Crm, carbonization quencher heat treatment makes the surface hardness of worm gears up to 56-62 HRX, retain carbonization layer’s thickness between 0.3 and 0.5mm after precise grinding. 3. Worm Wheel: wearable stannum bronze alloy.
When working, great load capacity, stable running, low noise with high efficiency.
Gear Box’s Usage Field
1
Metallurgy
11
Agitator
2
Mine
12
Rotary weeder
3
Machine
13
Metallurgy
4
Energy
14
Compressor
5
Transmission
15
Petroleum industry
6
Water Conserbancy
16
Air Compressor
7
Tomacco
17
Crusher
8
Medical
18
Materials
9
Packing
19
Electronics
10
Chemical industry
20
Textile indutry
…
…
Power
0.06kw
0.09kw
0.12kw
0.18kw
0.25kw
0.37kw
0.55kw
0.75kw
1.1kw
1.5kw
2.2kw
3kw
4kw
5.5kw
7.5kw
11kw
15kw
Torque
2.6N.m-3
If you have any demand for our products please feel free to contact me.
Application:
Machinery, Industry
Function:
Speed Changing, Speed Reduction
Layout:
Orthogonal
Hardness:
Hardened
Installation:
Horizontal Type
Step:
Single-Step
Customization:
Available
|
Customized Request
Calculating Gear Ratio in a Worm Reducer
The gear ratio in a worm reducer is determined by the number of teeth on the worm wheel (also known as the worm gear) and the number of threads on the worm shaft. The gear ratio formula for a worm reducer is:
Gear Ratio = Number of Teeth on Worm Wheel / Number of Threads on Worm Shaft
For example, if the worm wheel has 60 teeth and the worm shaft has a single thread, the gear ratio would be 60:1.
It’s important to note that worm reducers have an inherent self-locking property due to the angle of the worm threads. As a result, the gear ratio also affects the mechanical advantage and the system’s ability to resist backdriving.
When calculating the gear ratio, ensure that the worm reducer is properly designed and that the gear ratio aligns with the desired mechanical characteristics for your application. Additionally, consider factors such as efficiency, load capacity, and speed limitations when selecting a gear ratio for a worm reducer.
Does a Worm Reducer Require Frequent Maintenance?
Worm reducers generally require less frequent maintenance compared to some other types of gearboxes due to their design and operating characteristics. However, maintenance is still essential to ensure optimal performance and longevity. Here are some key points to consider:
Lubrication: Proper lubrication is crucial for worm gearboxes. Regularly check the lubricant level and quality to prevent wear and overheating. Lubricant should be changed as recommended by the manufacturer.
Inspections: Periodically inspect the gearbox for signs of wear, damage, or oil leaks. Check for any unusual noises, vibrations, or changes in performance that could indicate a problem.
Tightening and Alignment: Check and tighten any loose fasteners and ensure that the gearbox is properly aligned. Misalignment can lead to increased wear and reduced efficiency.
Seal Maintenance: Inspect and maintain seals to prevent oil leakage and contaminants from entering the gearbox.
Cleaning: Keep the gearbox clean from debris and contaminants that could affect its performance. Regular cleaning can prevent premature wear and damage.
Load and Speed: Ensure that the gearbox is operating within its rated load and speed limits. Exceeding these limits can lead to accelerated wear and potential failure.
Environmental Conditions: Consider the operating environment of the gearbox. Extreme temperatures, humidity, and other factors can impact the gearbox’s performance and longevity.
While worm gearboxes are known for their durability and self-locking feature, neglecting maintenance can lead to premature wear, reduced efficiency, and potential breakdowns. Following the manufacturer’s recommendations for maintenance intervals and procedures is essential to keep the worm reducer in optimal condition.
What Industries Commonly Use Worm Reducers?
Worm reducers are versatile mechanical components that find applications in various industries due to their unique advantages and capabilities. Some of the industries that commonly use worm reducers include:
Material Handling: Worm reducers are widely used in material handling equipment such as conveyors, bucket elevators, and cranes to control movement and manage heavy loads.
Automotive: They are utilized in automotive manufacturing processes, assembly lines, and vehicle positioning systems.
Food and Beverage: Worm reducers are used in food processing and packaging machinery where hygiene and cleanliness are crucial.
Agriculture: Agricultural equipment like irrigation systems and tractors use worm reducers for controlling rotational motion.
Mining and Construction: Heavy-duty applications in mining equipment, excavators, and construction machinery benefit from the torque multiplication provided by worm reducers.
Energy: Wind turbines and solar tracking systems use worm reducers to convert low-speed, high-torque motion into rotational energy.
Textile: Textile machinery employs worm reducers for controlling speed and tension in weaving and spinning operations.
Packaging: Packaging equipment relies on worm reducers for precise movement and positioning of packaging materials.
Medical: Medical devices and equipment often utilize worm reducers for their accuracy and controlled motion.
Printing: Printing machines use worm reducers to regulate paper feed and ensure consistent printing quality.
Worm reducers’ ability to provide high torque output, compact design, and self-locking characteristics makes them suitable for applications requiring reliable and controlled motion across various industries.
High Rpm Gearbox Reduction Slew Drive Servo Motor Rear Wheel Rotary Tiller Small Marine Diesel Engine Motorcycle Speed Increasing
Quick Details:
Type: XB series Cycloidal Pin Wheel Speed Reducer
Input Speed: 1000-1500rmp
Output Speed: 0.3-280rpm
Certification: ISO9001 CE
Ex Power:0.09-132KW
Warranty: 1Years
Application:
Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
Hardness:
Soft Tooth Surface
Installation:
90 Degree
Layout:
Coaxial
Gear Shape:
Conical – Cylindrical Gear
Step:
Stepless
Samples:
US$ 9999/Piece 1 Piece(Min.Order)
|
Request Sample
Common Problems and Troubleshooting for Worm Gearboxes
Worm gearboxes, like any mechanical component, can experience various issues over time. Here are some common problems that may arise and possible troubleshooting steps:
Overheating: Overheating can occur due to factors such as inadequate lubrication, excessive loads, or high operating temperatures. Check lubrication levels, ensure proper ventilation, and reduce loads if necessary.
Noise and Vibration: Excessive noise and vibration may result from misalignment, worn gears, or improper meshing. Check for misalignment, inspect gear teeth for wear, and ensure proper gear meshing.
Leakage: Oil leakage can be caused by damaged seals or gaskets. Inspect seals and gaskets, and replace them if necessary.
Reduced Efficiency: Efficiency loss can occur due to friction, wear, or misalignment. Regularly monitor gearbox performance, ensure proper lubrication, and address any wear or misalignment issues.
Backlash: Excessive backlash can affect precision and accuracy. Adjust gear meshing and reduce backlash to improve performance.
Seizure or Binding: Seizure or binding can result from inadequate lubrication, debris, or misalignment. Clean the gearbox, ensure proper lubrication, and address misalignment issues.
Worn Gears: Worn gear teeth can lead to poor performance. Regularly inspect gears for signs of wear, and replace worn gears as needed.
Seal Wear: Seals can wear over time, leading to leakage and contamination. Inspect seals regularly and replace them if necessary.
If you encounter any of these problems, it’s important to address them promptly to prevent further damage and maintain the performance of your worm gearbox. Regular maintenance, proper lubrication, and addressing issues early can help extend the lifespan and reliability of the gearbox.
Worm Gearboxes in Conveyor Systems: Benefits and Considerations
Worm gearboxes play a crucial role in conveyor systems, offering several benefits and considerations for their effective integration:
Space Efficiency: Worm gearboxes have a compact design, making them suitable for applications with limited space, such as conveyor systems.
High Reduction Ratios: Worm gearboxes can achieve high reduction ratios in a single stage, allowing for slower conveyor speeds without sacrificing torque.
Self-Locking: Worm gearboxes have inherent self-locking properties, preventing the conveyor from moving when the motor is not actively driving it.
Directional Control: Worm gearboxes facilitate directional control, enabling the conveyor to move forward or reverse as needed.
Low Noise: Worm gearboxes often produce lower noise levels compared to other gearbox types, contributing to quieter conveyor operation.
However, there are also considerations to keep in mind when using worm gearboxes in conveyor systems:
Efficiency: Worm gearboxes may have lower mechanical efficiency compared to some other gearbox types, leading to energy losses.
Heat Generation: Worm gearboxes can generate more heat due to sliding contact between the worm and gear, necessitating proper cooling mechanisms.
Lubrication: Proper lubrication is critical to prevent wear and ensure efficient operation. Regular maintenance is required to monitor lubrication levels.
Load and Speed: Worm gearboxes are well-suited for applications with high torque and low to moderate speed requirements. They may not be optimal for high-speed conveyors.
Before integrating a worm gearbox into a conveyor system, it’s important to carefully consider the specific requirements of the application, including load, speed, space constraints, and efficiency needs. Consulting with gearbox experts and manufacturers can help ensure the right choice for the conveyor’s performance and longevity.
Can a Worm Gearbox Provide High Torque Output?
Yes, a worm gearbox is capable of providing high torque output due to its unique design and principle of operation. Worm gears are known for their high torque multiplication capabilities, making them suitable for applications that require significant torque transfer.
The torque output of a worm gearbox is influenced by several factors:
Lead Angle: The lead angle of the worm affects the mechanical advantage of the gear system. A larger lead angle can result in higher torque output.
Worm Diameter: A larger diameter worm can offer increased torque output as it provides more contact area with the gear.
Gear Ratio: The gear ratio between the worm and the gear determines the torque multiplication factor. A higher gear ratio leads to higher torque output.
Lubrication: Proper lubrication is essential to minimize friction and ensure efficient torque transmission.
Material and Quality: High-quality materials and precision manufacturing contribute to the gearbox’s ability to handle high torque loads.
Due to their ability to provide high torque output in a compact form factor, worm gearboxes are commonly used in various industrial applications, including heavy machinery, construction equipment, conveyor systems, and more.
RV Series Worm Gear Boxes Gearbox Speed Reducer with Electric Motors
Input Configurations
Double or single input shaft (NRV)
PAM / IEC motor input shaft with circle or square flange (NMRV)
Output Configurations
Double or single output shaft
Output flange
Technical Data:
Housing material
Cast iron/Ductile iron
Housing hardness
HBS190-240
Gear material
20CrMnTi alloy steel
Surface hardness of gears
HRC58°~62 °
Gear core hardness
HRC33~40
Input / Output shaft material
42CrMo alloy steel
Input / Output shaft hardness
HRC25~30
Machining precision of gears
accurate grinding, 6~5 Grade
Lubricating oil
GB L-CKC220-460, Shell Omala220-460
Heat treatment
tempering, cementiting, quenching, etc.
Efficiency
94%~96% (depends on the transmission stage)
Noise (MAX)
60~68dB
Temp. rise (MAX)
40°C
Temp. rise (Oil)(MAX)
50°C
Vibration
≤20µm
Backlash
≤20Arcmin
Brand of bearings
China top brand bearing, HRB/LYC/ZWZ/C&U. Or other brands requested, NSK.
Brand of oil seal
NAK — ZheJiang or other brands requested
Specification
Model
Motor Input Flange (circle)
Transmission Ratio
Power
(kw)
Ratio
(i)
Nominal Torque
(Nm)
PAM / IEC
Internal Dia.
Dis. Between Diagonal Screw Holes
External Dia.
Width of Key Slot
5
7.5
10
15
20
25
30
40
50
60
80
100
N
M
P
E
Diamter of Input Shaft
NMRV25
56B14
50
65
80
3
9
–
9
–
0.06
7.5-60
2.6-14
NMRV30
63B5
95
115
140
4
11
–
0.06-0.18
7.5-80
2.6-14
63B14
60
75
90
56B5
80
100
120
3
9
–
56B14
50
65
80
NMRV40
71B5
110
130
160
5
14
–
0.09-0.37
7.5-100
11-53
71B14
70
85
105
63B5
95
115
140
4
11
63B14
60
75
90
56B5
80
100
120
3
–
9
NMRV50
80B5
130
165
200
6
19
–
0.12-0.75
7.5-100
21-89
80B14
80
100
120
71B5
110
130
160
5
14
–
71B14
70
85
105
63B5
95
115
140
4
–
11
NMRV63
90B5
130
165
200
8
24
–
0.25-1.5
7.5-100
56-166
90B14
95
115
140
80B5
130
165
200
6
19
–
80B14
80
100
120
71B5
110
130
160
5
–
14
71B14
70
85
105
NMRV75
100/112B5
180
215
250
8
–
28
–
0.55-4
7.5-100
90-269
100/112B14
110
130
160
90B5
130
165
200
8
24
–
90B14
95
115
140
80B5
130
165
200
6
–
19
80B14
80
100
120
71B5
110
130
160
–
–
14
NMRV90
100/112B5
180
215
250
8
–
28
–
0.55-4
7.5-100
101-458
100/112B14
110
130
160
90B5
130
165
200
8
24
–
90B14
95
115
140
80B5
130
165
200
6
–
19
80B14
80
100
120
NMRV110
132B5
230
265
300
10
–
38
–
1.1-7.5
7.5-100
242-660
132B14
130
165
200
–
100/112B5
180
215
250
8
28
–
90B5
130
165
200
–
24
90B14
95
115
140
–
80B5
130
165
200
–
19
NMRV130
132B5
230
265
300
10
–
38
–
2.2-7.5
7.5-100
333-1596
132B14
130
165
200
–
100/112B5
180
215
250
8
–
28
90B5
130
165
200
–
–
24
90B14
95
115
140
NMRV150
160B5
250
300
350
12
–
42
–
2.2-15
7.5-100
570-1760
132B5
230
265
300
10
–
38
–
132B14
130
165
200
–
100/112B5
180
215
250
8
–
28
Company profile
Scenario
Packing
FAQ
Q1: I want to buy your products, how can I pay? A: You can pay via T/T(30%+70%), L/C ,D/P etc.
Q2: How can you guarantee the quality? A: One year’s warranty against B/L date. If you meet with quality problem, please send us pictures or video to check, we promise to send spare parts or new products to replace. Our guarantee not include inappropriate operation or wrong specification selection.
Q3: How we select models and specifications? A: You can email us the series code (for example: RC series helical gearbox) as well as requirement details, such as motor power,output speed or ratio, service factor or your application…as much data as possible. If you can supply some pictures or drawings,it is nice.
Q4: If we don’t find what we want on your website, what should we do? A: We offer 3 options: 1, You can email us the pictures, drawings or descriptions details. We will try to design your products on the basis of our standard models. 2, Our R&D department is professional for OEM/ODM products by drawing/samples, you can send us samples, we do customized design for your bulk purchasing. 3, We can develop new products if they have good market. We have already developed many items for special using successful, such as special gearbox for agitator, cement conveyor, shoes machines and so on.
Q5: Can we buy 1 pc of each item for quality testing? A: Yes, we are glad to accept trial order for quality testing.
Q6: How about your product delivery time? A: Normally for 20’container, it takes 25-30 workdays for RV series worm gearbox, 35-40 workdays for helical gearmotors.
Application:
Motor, Machinery, Agricultural Machinery
Hardness:
Hardened Tooth Surface
Installation:
B3, B6, B7, B8, V5, V6
Layout:
Coaxial
Gear Shape:
Cylindrical Gear
Step:
Single-Step
Customization:
Available
|
Customized Request
Is it Possible to Reverse the Direction of a Worm Gearbox?
Yes, it is possible to reverse the direction of a worm gearbox by changing the orientation of either the input or output shaft. However, reversing the direction of a worm gearbox can have some implications that need to be considered:
Efficiency: Reversing the direction of a worm gearbox can potentially affect its efficiency. Worm gearboxes are typically more efficient in one direction of rotation due to the design of the worm and worm wheel.
Backlash: Reversing the direction of rotation might lead to increased backlash or play in the gearbox, which can impact precision and smooth operation.
Lubrication: Depending on the gearbox’s design, reversing the direction could affect lubrication distribution and lead to uneven wear on the gear teeth.
Load: Reversing the direction might also impact the gearbox’s load-carrying capacity, especially if it’s designed for predominantly one-way operation.
Noise and Vibration: Direction reversal can sometimes result in increased noise and vibration due to changes in gear engagement and meshing behavior.
If you need to reverse the direction of a worm gearbox, it’s advisable to consult the gearbox manufacturer’s guidelines and recommendations. They can provide insights into whether the specific gearbox model is suitable for reversible operation and any precautions or adjustments needed to ensure proper functioning.
Energy Efficiency of a Worm Gearbox: What to Expect
The energy efficiency of a worm gearbox is an important factor to consider when evaluating its performance. Here’s what you can expect in terms of energy efficiency:
Typical Efficiency Range: Worm gearboxes are known for their compact size and high gear reduction capabilities, but they can exhibit lower energy efficiency compared to other types of gearboxes. The efficiency of a worm gearbox typically falls in the range of 50% to 90%, depending on various factors such as design, manufacturing quality, lubrication, and load conditions.
Inherent Losses: Worm gearboxes inherently involve sliding contact between the worm and worm wheel. This sliding contact generates friction, leading to energy losses in the form of heat. The sliding action also contributes to lower efficiency when compared to gearboxes with rolling contact.
Helical-Worm Design: Some manufacturers offer helical-worm gearbox designs that combine elements of helical and worm gearing. These designs aim to improve efficiency by incorporating helical gears in the reduction stage, which can lead to higher efficiency compared to traditional worm gearboxes.
Lubrication: Proper lubrication plays a significant role in minimizing friction and improving energy efficiency. Using high-quality lubricants and ensuring the gearbox is adequately lubricated can help reduce losses due to friction.
Application Considerations: While worm gearboxes might have lower energy efficiency compared to other types of gearboxes, they still offer advantages in terms of compactness, high torque transmission, and simplicity. Therefore, the decision to use a worm gearbox should consider the specific requirements of the application, including the trade-off between energy efficiency and other performance factors.
When selecting a worm gearbox, it’s essential to consider the trade-offs between energy efficiency, torque transmission, gearbox size, and the specific needs of the application. Regular maintenance, proper lubrication, and selecting a well-designed gearbox can contribute to achieving the best possible energy efficiency within the limitations of worm gearbox technology.
What is a Worm Gearbox and How Does It Work?
A worm gearbox, also known as a worm gear reducer, is a mechanical device used to transmit rotational motion and torque between non-parallel shafts. It consists of a worm screw and a worm wheel, both of which have helical teeth. The worm screw resembles a threaded cylinder, while the worm wheel is a gear with teeth that mesh with the worm screw.
The working principle of a worm gearbox involves the interaction between the worm screw and the worm wheel. When the worm screw is rotated, its helical teeth engage with the teeth of the worm wheel. As the worm screw rotates, it translates the rotational motion into a perpendicular motion, causing the worm wheel to rotate. This perpendicular motion allows the worm gearbox to achieve a high gear reduction ratio, making it suitable for applications that require significant speed reduction.
One of the key features of a worm gearbox is its ability to provide a high gear reduction ratio in a compact design. However, due to the sliding nature of the meshing teeth, worm gearboxes may exhibit higher friction and lower efficiency compared to other types of gearboxes. Therefore, they are often used in applications where efficiency is not the primary concern but where high torque and speed reduction are essential, such as conveyor systems, elevators, automotive steering systems, and certain industrial machinery.
Main Materials: 1)housing:aluminium alloy ADC12(size 571-090); die cast iron HT200(size 110-150); 2)Worm:20Cr, ZI Involute profile; carbonize&quencher heat treatment make gear surface hardness up to 56-62 HRC; After precision grinding, carburization layer’s thickness between 0.3-0.5mm. 3)Worm Wheel:wearable stannum alloy CuSn10-1
Detailed Photos
Combination Options: Input:with input shaft, With square flange,With IEC standard input flange Output:with torque arm, output flange, single output shaft, double output shaft, plastic cover Worm reducers are available with diffferent combinations: NMRV+NMRV, NMRV+NRV, NMRV+PC, NMRV+UDL, NMRV+MOTORS
Exploded View:
Product Parameters
Old Model
New Model
Ratio
Center Distance
Power
Input Dia.
Output Dia.
Output Torque
Weight
RV571
7.5~100
25mm
0.06KW~0.12KW
Φ9
Φ11
21N.m
0.7kgs
RV030
RW030
7.5~100
30mm
0.06KW~0.25KW
Φ9(Φ11)
Φ14
45N.m
1.2kgs
RV040
RW040
7.5~100
40mm
0.09KW~0.55KW
Φ9(Φ11,Φ14)
Φ18(Φ19)
84N.m
2.3kgs
RV050
RW050
7.5~100
50mm
0.12KW~1.5KW
Φ11(Φ14,Φ19)
Φ25(Φ24)
160N.m
3.5kgs
RV063
RW063
7.5~100
63mm
0.18KW~2.2KW
Φ14(Φ19,Φ24)
Φ25(Φ28)
230N.m
6.2kgs
RV075
RW075
7.5~100
75mm
0.25KW~4.0KW
Φ14(Φ19,Φ24,Φ28)
Φ28(Φ35)
410N.m
9.0kgs
RV090
RW090
7.5~100
90mm
0.37KW~4.0KW
Φ19(Φ24,Φ28)
Φ35(Φ38)
725N.m
13.0kgs
RV110
RW110
7.5~100
110mm
0.55KW~7.5KW
Φ19(Φ24,Φ28,Φ38)
Φ42
1050N.m
35.0kgs
RV130
RW130
7.5~100
130mm
0.75KW~7.5KW
Φ24(Φ28,Φ38)
Φ45
1550N.m
48.0kgs
RV150
RW150
7.5~100
150mm
2.2KW~15KW
Φ28(Φ38,Φ42)
Φ50
84.0kgs
GMRV Outline Dimension:
GMRV
A
B
C
C1
D(H8)
E(h8)
F
G
G1
H
H1
I
M
N
O
P
Q
R
S
T
BL
β
b
t
V
030
80
97
54
44
14
55
32
56
63
65
29
55
40
57
30
75
44
6.5
21
5.5
M6*10(n=4)
0°
5
16.3
27
040
100
121.5
70
60
18(19)
60
43
71
78
75
36.5
70
50
71.5
40
87
55
6.5
26
6.5
M6*10(n=4)
45°
6
20.8(21.8)
35
050
120
144
80
70
25(24)
70
49
85
92
85
43.5
80
60
84
50
100
64
8.5
30
7
M8*12(n=4)
45°
8
28.3(27.3)
40
063
144
174
100
85
25(28)
80
67
103
112
95
53
95
72
102
63
110
80
8.5
36
8
M8*12(n=8)
45°
8
28.3(31.3)
50
075
172
205
120
90
28(35)
95
72
112
120
115
57
112.5
86
119
75
140
93
11
40
10
M8*14(n=8)
45°
8(10)
31.3(38.3)
60
090
206
238
140
100
35(38)
110
74
130
140
130
67
129.5
103
135
90
160
102
13
45
11
M10*16(n=8)
45°
10
38.3(41.3)
70
110
255
295
170
115
42
130
–
144
155
165
74
160
127.5
167.5
110
200
125
14
50
14
M10*18(n=8)
45°
12
45.3
85
130
293
335
200
120
45
180
–
155
170
215
81
179
146.5
187.5
130
250
140
16
60
15
M12*20(n=8)
45°
14
48.8
100
150
340
400
240
145
50
180
–
185
200
215
96
210
170
230
150
250
180
18
72.5
18
M12*22(n=8)
45°
14
53.8
120
Company Profile
About CHINAMFG Transmission: We are a professional reducer manufacturer located in HangZhou, ZHangZhoug province. Our leading products is full range of RV571-150 worm reducers , also supplied GKM hypoid helical gearbox, GRC inline helical gearbox, PC units, UDL Variators and AC Motors, G3 helical gear motor. Products are widely used for applications such as: foodstuffs, ceramics, packing, chemicals, pharmacy, plastics, paper-making, construction machinery, metallurgic mine, environmental protection engineering, and all kinds of automatic lines, and assembly lines. With fast delivery, superior after-sales service, advanced producing facility, our products sell well both at home and abroad. We have exported our reducers to Southeast Asia, Eastern Europe and Middle East and so on.Our aim is to develop and innovate on basis of high quality, and create a good reputation for reducers.
Packing information:Plastic Bags+Cartons+Wooden Cases , or on request We participate Germany Hannver Exhibition-ZheJiang PTC Fair-Turkey Win Eurasia
Logistics
After Sales Service
1.Maintenance Time and Warranty:Within 1 year after receiving goods. 2.Other Service: Including modeling selection guide, installation guide, and problem resolution guide, etc.
FAQ
1.Q:Can you make as per customer drawing? A: Yes, we offer customized service for customers accordingly. We can use customer’s nameplate for gearboxes. 2.Q:What is your terms of payment ? A: 30% deposit before production,balance T/T before delivery. 3.Q:Are you a trading company or manufacturer? A:We are a manufacurer with advanced equipment and experienced workers. 4.Q:What’s your production capacity? A:8000-9000 PCS/MONTH 5.Q:Free sample is available or not? A:Yes, we can supply free sample if customer agree to pay for the courier cost 6.Q:Do you have any certificate? A:Yes, we have CE certificate and SGS certificate report.
Contact information: Ms Lingel Pan For any questions just feel free ton contact me. Many thanks for your kind attention to our company!
Application:
Motor, Machinery, Marine, Agricultural Machinery, Industry
Function:
Distribution Power, Change Drive Torque, Speed Changing, Speed Reduction
Layout:
Right Angle
Hardness:
Hardened Tooth Surface
Installation:
Horizontal Type
Step:
Double-Step
Samples:
US$ 12/Piece 1 Piece(Min.Order)
|
Request Sample
Customization:
Available
|
Customized Request
Calculating Gear Ratio in a Worm Reducer
The gear ratio in a worm reducer is determined by the number of teeth on the worm wheel (also known as the worm gear) and the number of threads on the worm shaft. The gear ratio formula for a worm reducer is:
Gear Ratio = Number of Teeth on Worm Wheel / Number of Threads on Worm Shaft
For example, if the worm wheel has 60 teeth and the worm shaft has a single thread, the gear ratio would be 60:1.
It’s important to note that worm reducers have an inherent self-locking property due to the angle of the worm threads. As a result, the gear ratio also affects the mechanical advantage and the system’s ability to resist backdriving.
When calculating the gear ratio, ensure that the worm reducer is properly designed and that the gear ratio aligns with the desired mechanical characteristics for your application. Additionally, consider factors such as efficiency, load capacity, and speed limitations when selecting a gear ratio for a worm reducer.
Diagnosing and Fixing Oil Leakage in a Worm Gearbox
Oil leakage in a worm gearbox can lead to reduced lubrication, increased friction, and potential damage to the gearbox components. Here’s a step-by-step process to diagnose and fix oil leakage:
Inspect the Gearbox: Perform a visual inspection of the gearbox to identify the source of the leakage. Check for oil stains, wet spots, or oil pooling around the gearbox.
Check Seals and Gaskets: Inspect the seals, gaskets, and O-rings for any signs of wear, cracks, or damage. These components are common points of leakage.
Tighten Bolts and Fasteners: Ensure that all bolts, screws, and fasteners are properly tightened. Loose fasteners can create gaps that allow oil to escape.
Replace Damaged Seals: If you find damaged seals or gaskets, replace them with new ones. Use seals that are compatible with the operating conditions and lubricant.
Check Breather Vent: A clogged or malfunctioning breather vent can cause pressure buildup inside the gearbox, leading to leakage. Clean or replace the breather vent if necessary.
Examine Shaft Seals: Check the shaft seals for wear or damage. If they’re worn out, replace them with seals of the appropriate size and material.
Use Proper Lubricant: Ensure that you’re using the correct lubricant recommended for the gearbox. Using the wrong type of lubricant can cause leaks.
Apply Sealants: In some cases, applying a suitable sealant to the joints and connections can help prevent leaks. Follow the manufacturer’s instructions for proper application.
Monitor Leakage: After addressing the issues, monitor the gearbox for any signs of continued leakage. If leakage persists, further investigation may be required.
Regular Maintenance: Implement a regular maintenance schedule that includes checking seals, gaskets, and other potential leakage points. Timely maintenance can prevent future leakage issues.
If you’re unsure about diagnosing or fixing oil leakage in a worm gearbox, consider consulting with a professional or gearbox manufacturer to ensure proper resolution.
How to Select the Right Worm Gearbox for Your Application
Selecting the right worm gearbox for your application involves careful consideration of various factors:
Load Requirements: Determine the torque and load requirements of your application to ensure the selected gearbox can handle the load without compromising performance.
Speed Reduction: Calculate the required gear reduction ratio to achieve the desired output speed. Worm gearboxes are known for high reduction ratios.
Efficiency: Consider the gearbox’s efficiency, as worm gearboxes typically have lower efficiency due to the sliding action. Evaluate whether the efficiency meets your application’s needs.
Space Constraints: Assess the available space for the gearbox. Worm gearboxes have a compact design, making them suitable for applications with limited space.
Mounting Options: Determine the mounting orientation and configuration that best suits your application.
Operating Environment: Consider factors such as temperature, humidity, and exposure to contaminants. Choose a gearbox with appropriate seals and materials to withstand the environment.
Backlash: Evaluate the acceptable level of backlash in your application. Worm gearboxes may exhibit more backlash compared to other gear types.
Self-Locking: If self-locking capability is required, confirm that the selected gearbox can prevent reverse motion without the need for external braking mechanisms.
Maintenance: Consider the maintenance requirements of the gearbox. Some worm gearboxes require periodic lubrication and maintenance to ensure proper functioning.
Cost: Balance the features and performance of the gearbox with the overall cost to ensure it aligns with your budget.
Consult with gearbox manufacturers or experts to get recommendations tailored to your specific application. Testing and simulations can also help validate the suitability of a particular gearbox for your needs.
Main Materials: 1)housing:aluminium alloy ADC12(size 571-090); die cast iron HT200(size 110-150); 2)Worm:20Cr, ZI Involute profile; carbonize&quencher heat treatment make gear surface hardness up to 56-62 HRC; After precision grinding, carburization layer’s thickness between 0.3-0.5mm. 3)Worm Wheel:wearable stannum alloy CuSn10-1
Detailed Photos
Combination Options: Input:with input shaft, With square flange,With IEC standard input flange Output:with torque arm, output flange, single output shaft, double output shaft, plastic cover Worm reducers are available with diffferent combinations: NMRV+NMRV, NMRV+NRV, NMRV+PC, NMRV+UDL, NMRV+MOTORS
Exploded View:
Product Parameters
Old Model
New Model
Ratio
Center Distance
Power
Input Dia.
Output Dia.
Output Torque
Weight
RV571
7.5~100
25mm
0.06KW~0.12KW
Φ9
Φ11
21N.m
0.7kgs
RV030
RW030
7.5~100
30mm
0.06KW~0.25KW
Φ9(Φ11)
Φ14
45N.m
1.2kgs
RV040
RW040
7.5~100
40mm
0.09KW~0.55KW
Φ9(Φ11,Φ14)
Φ18(Φ19)
84N.m
2.3kgs
RV050
RW050
7.5~100
50mm
0.12KW~1.5KW
Φ11(Φ14,Φ19)
Φ25(Φ24)
160N.m
3.5kgs
RV063
RW063
7.5~100
63mm
0.18KW~2.2KW
Φ14(Φ19,Φ24)
Φ25(Φ28)
230N.m
6.2kgs
RV075
RW075
7.5~100
75mm
0.25KW~4.0KW
Φ14(Φ19,Φ24,Φ28)
Φ28(Φ35)
410N.m
9.0kgs
RV090
RW090
7.5~100
90mm
0.37KW~4.0KW
Φ19(Φ24,Φ28)
Φ35(Φ38)
725N.m
13.0kgs
RV110
RW110
7.5~100
110mm
0.55KW~7.5KW
Φ19(Φ24,Φ28,Φ38)
Φ42
1050N.m
35.0kgs
RV130
RW130
7.5~100
130mm
0.75KW~7.5KW
Φ24(Φ28,Φ38)
Φ45
1550N.m
48.0kgs
RV150
RW150
7.5~100
150mm
2.2KW~15KW
Φ28(Φ38,Φ42)
Φ50
84.0kgs
GMRV Outline Dimension:
GMRV
A
B
C
C1
D(H8)
E(h8)
F
G
G1
H
H1
I
M
N
O
P
Q
R
S
T
BL
β
b
t
V
030
80
97
54
44
14
55
32
56
63
65
29
55
40
57
30
75
44
6.5
21
5.5
M6*10(n=4)
0°
5
16.3
27
040
100
121.5
70
60
18(19)
60
43
71
78
75
36.5
70
50
71.5
40
87
55
6.5
26
6.5
M6*10(n=4)
45°
6
20.8(21.8)
35
050
120
144
80
70
25(24)
70
49
85
92
85
43.5
80
60
84
50
100
64
8.5
30
7
M8*12(n=4)
45°
8
28.3(27.3)
40
063
144
174
100
85
25(28)
80
67
103
112
95
53
95
72
102
63
110
80
8.5
36
8
M8*12(n=8)
45°
8
28.3(31.3)
50
075
172
205
120
90
28(35)
95
72
112
120
115
57
112.5
86
119
75
140
93
11
40
10
M8*14(n=8)
45°
8(10)
31.3(38.3)
60
090
206
238
140
100
35(38)
110
74
130
140
130
67
129.5
103
135
90
160
102
13
45
11
M10*16(n=8)
45°
10
38.3(41.3)
70
110
255
295
170
115
42
130
–
144
155
165
74
160
127.5
167.5
110
200
125
14
50
14
M10*18(n=8)
45°
12
45.3
85
130
293
335
200
120
45
180
–
155
170
215
81
179
146.5
187.5
130
250
140
16
60
15
M12*20(n=8)
45°
14
48.8
100
150
340
400
240
145
50
180
–
185
200
215
96
210
170
230
150
250
180
18
72.5
18
M12*22(n=8)
45°
14
53.8
120
Company Profile
About CHINAMFG Transmission: We are a professional reducer manufacturer located in HangZhou, ZHangZhoug province. Our leading products is full range of RV571-150 worm reducers , also supplied GKM hypoid helical gearbox, GRC inline helical gearbox, PC units, UDL Variators and AC Motors, G3 helical gear motor. Products are widely used for applications such as: foodstuffs, ceramics, packing, chemicals, pharmacy, plastics, paper-making, construction machinery, metallurgic mine, environmental protection engineering, and all kinds of automatic lines, and assembly lines. With fast delivery, superior after-sales service, advanced producing facility, our products sell well both at home and abroad. We have exported our reducers to Southeast Asia, Eastern Europe and Middle East and so on.Our aim is to develop and innovate on basis of high quality, and create a good reputation for reducers.
Packing information:Plastic Bags+Cartons+Wooden Cases , or on request We participate Germany Hannver Exhibition-ZheJiang PTC Fair-Turkey Win Eurasia
Logistics
After Sales Service
1.Maintenance Time and Warranty:Within 1 year after receiving goods. 2.Other Service: Including modeling selection guide, installation guide, and problem resolution guide, etc.
FAQ
1.Q:Can you make as per customer drawing? A: Yes, we offer customized service for customers accordingly. We can use customer’s nameplate for gearboxes. 2.Q:What is your terms of payment ? A: 30% deposit before production,balance T/T before delivery. 3.Q:Are you a trading company or manufacturer? A:We are a manufacurer with advanced equipment and experienced workers. 4.Q:What’s your production capacity? A:8000-9000 PCS/MONTH 5.Q:Free sample is available or not? A:Yes, we can supply free sample if customer agree to pay for the courier cost 6.Q:Do you have any certificate? A:Yes, we have CE certificate and SGS certificate report.
Contact information: Ms Lingel Pan For any questions just feel free ton contact me. Many thanks for your kind attention to our company!
Application:
Motor, Machinery, Marine, Agricultural Machinery, Industry
Hardness:
Hardened Tooth Surface
Installation:
Horizontal Type
Layout:
Right Angle
Gear Shape:
Worm Gear
Step:
Double-Step
Samples:
US$ 12/Piece 1 Piece(Min.Order)
|
Request Sample
Customization:
Available
|
Customized Request
Can a Worm Gearbox Be Used in Heavy-Duty Machinery?
Yes, a worm gearbox can be used in heavy-duty machinery and is often chosen for such applications due to its inherent characteristics and advantages:
High Torque Transmission: Worm gearboxes are known for their ability to transmit high torque loads, making them suitable for heavy-duty machinery that requires significant power transmission.
Load Distribution: The design of worm gears provides robust load distribution and excellent contact between the worm and worm wheel teeth. This enhances their load-carrying capacity, making them capable of handling heavy loads without premature wear or failure.
Compact Design: Worm gearboxes are compact and offer high reduction ratios in a single stage. This allows for the reduction of high input speeds to lower output speeds, often required in heavy-duty machinery.
Overload Protection: Worm gears have a natural self-locking feature, which means the gear cannot be easily back-driven by external forces. This feature provides inherent overload protection, preventing damage to the gearbox and machinery in cases of sudden load spikes.
Smooth Operation: Worm gearboxes offer smooth and steady operation, which is crucial for heavy-duty machinery where precision and controlled movement are essential.
However, when considering the use of a worm gearbox in heavy-duty applications, it’s important to ensure proper engineering and sizing. The design should account for factors such as load, speed, duty cycle, lubrication, and temperature to ensure optimal performance and longevity.
Overall, worm gearboxes are well-suited for heavy-duty machinery across various industries, including mining, construction, manufacturing, and more.
Worm Gearbox vs. Helical Gearbox: A Comparison
Worm gearboxes and helical gearboxes are two popular types of gear systems, each with its own set of advantages and disadvantages. Let’s compare them:
Aspect
Worm Gearbox
Helical Gearbox
Efficiency
Lower efficiency due to sliding friction between the worm and worm wheel.
Higher efficiency due to rolling contact between helical gear teeth.
Torque Transmission
Excellent torque transmission and high reduction ratios achievable in a single stage.
Good torque transmission, but may require multiple stages for high reduction ratios.
Noise and Vibration
Generally higher noise and vibration levels due to sliding action.
Lower noise and vibration levels due to smoother rolling contact.
Backlash
Higher inherent backlash due to the design.
Lower backlash due to meshing of helical teeth.
Efficiency at Higher Speeds
Less suitable for high-speed applications due to efficiency loss.
More suitable for high-speed applications due to higher efficiency.
Overload Protection
Natural self-locking feature provides some overload protection.
May not have the same level of inherent overload protection.
Applications
Commonly used for applications requiring high reduction ratios, such as conveyor systems and heavy-duty machinery.
Widely used in various applications including automotive transmissions, industrial machinery, and more.
Both worm and helical gearboxes have their place in engineering, and the choice between them depends on the specific requirements of the application. Worm gearboxes are preferred for applications with high reduction ratios, while helical gearboxes are chosen for their higher efficiency and smoother operation.
What is a Worm Gearbox and How Does It Work?
A worm gearbox, also known as a worm gear reducer, is a mechanical device used to transmit rotational motion and torque between non-parallel shafts. It consists of a worm screw and a worm wheel, both of which have helical teeth. The worm screw resembles a threaded cylinder, while the worm wheel is a gear with teeth that mesh with the worm screw.
The working principle of a worm gearbox involves the interaction between the worm screw and the worm wheel. When the worm screw is rotated, its helical teeth engage with the teeth of the worm wheel. As the worm screw rotates, it translates the rotational motion into a perpendicular motion, causing the worm wheel to rotate. This perpendicular motion allows the worm gearbox to achieve a high gear reduction ratio, making it suitable for applications that require significant speed reduction.
One of the key features of a worm gearbox is its ability to provide a high gear reduction ratio in a compact design. However, due to the sliding nature of the meshing teeth, worm gearboxes may exhibit higher friction and lower efficiency compared to other types of gearboxes. Therefore, they are often used in applications where efficiency is not the primary concern but where high torque and speed reduction are essential, such as conveyor systems, elevators, automotive steering systems, and certain industrial machinery.
About CHINAMFG since 1984 HangZhou Melchizedek Import & Export Co., Ltd. is a leader manufactur in mechanism field and punching/stamp ing field since 1984. Our main product, NMRV worm gear speed reducer and series helical gearbox, XDR, XDF, XDK, XDShave reached the advanced technique index of the congeneric European and Janpanese produc ts, We offer standard gears, sprockets, chains, pulleys, couplings, bushes and so on. We also can accept orders of non-standard products, such as gears, shafts, punching parts ect, according to customers’ Drawings or sam- ples.
Our company has complete set of equipment including CNC, lathes, milling machines, gear hobbing machine, g- ear grinding machine, gear honing machine, gear shaping machine, worm grinder, grinding machines, drilling m- achines, boringmachines, planer, drawing benches, punches, hydraulic presses, plate shearing machines and s- o on. We have advanced testing equipments also.
Our company has established favorable cooperation relationships with sub-suppliers involving casting, raw mat- erial, heat treatment, surface finishing and so on.
Application:
Motor, Machinery, Agricultural Machinery
Hardness:
Hardened Tooth Surface
Installation:
as for Request
Layout:
as for Request
Gear Shape:
Worm
Step:
Double-Step
Customization:
Available
|
Customized Request
Maintenance Tips for Prolonging the Life of a Worm Gearbox
Proper maintenance is essential to ensure the longevity and reliable performance of a worm gearbox. Here are some maintenance tips to consider:
Lubrication: Regularly check and replenish the lubricant in the gearbox. Use the recommended lubricant type and quantity specified by the manufacturer.
Lubrication Schedule: Follow a lubrication schedule based on the operating conditions and manufacturer recommendations. Regular lubrication prevents friction, reduces wear, and dissipates heat.
Temperature Monitoring: Keep an eye on the operating temperature of the gearbox. Excessive heat can degrade the lubricant and damage components.
Cleanliness: Keep the gearbox and surrounding area clean from debris and contaminants. Regularly inspect and clean the gearbox exterior.
Seal Inspection: Check for any leaks or damage to seals and gaskets. Replace them promptly to prevent lubricant leaks and contamination.
Alignment: Ensure proper alignment between the worm and worm wheel. Misalignment can lead to increased wear and reduced efficiency.
Torque Monitoring: Monitor the torque levels during operation. Excessive torque can cause overloading and premature wear.
Regular Inspections: Periodically inspect all components for signs of wear, damage, or unusual noise. Replace worn or damaged parts promptly.
Proper Usage: Operate the gearbox within its specified limits, including load, speed, and temperature. Avoid overloading or sudden changes in operating conditions.
Expert Maintenance: If major maintenance or repairs are needed, consult the manufacturer’s guidelines or seek the assistance of qualified technicians.
By following these maintenance tips and adhering to the manufacturer’s recommendations, you can extend the lifespan of your worm gearbox and ensure its optimal performance over time.
Materials Used for Worm Gears
Worm gears are manufactured using a variety of materials to meet different application requirements. Some commonly used materials for worm gears include:
Steel: Steel is a popular choice for worm gears due to its strength, durability, and wear resistance. It can handle heavy loads and is often used in industrial applications.
Bronze: Bronze offers good lubricity and is commonly used for the worm gear (worm) component. It provides effective wear resistance and works well in applications where quiet operation is essential.
Cast Iron: Cast iron is known for its high strength and durability. It’s often used for worm gears in applications where shock loads or heavy-duty conditions are expected.
Aluminum: Aluminum worm gears are lightweight and corrosion-resistant, making them suitable for applications where weight reduction is important.
Plastic: Some worm gears are made from plastic materials such as nylon or acetal. These materials are often chosen for their self-lubricating properties and quiet operation.
Composite Materials: Composite materials can offer a combination of properties, such as lightweight construction and corrosion resistance. They can be suitable for specific applications.
The choice of material depends on factors such as the application’s load, speed, operating environment, and required performance characteristics. It’s important to consider these factors when selecting the appropriate material for worm gears to ensure optimal performance and longevity.
How Does a Worm Gearbox Compare to Other Types of Gearboxes?
Worm gearboxes offer unique advantages and characteristics that set them apart from other types of gearboxes. Here’s a comparison between worm gearboxes and some other common types:
Helical Gearbox: Worm gearboxes have higher torque multiplication, making them suitable for heavy-load applications, while helical gearboxes are more efficient and offer smoother operation.
Bevel Gearbox: Worm gearboxes are compact and can transmit motion at right angles, similar to bevel gearboxes, but worm gearboxes have self-locking capabilities.
Planetary Gearbox: Worm gearboxes provide high torque output and are cost-effective for applications with high reduction ratios, whereas planetary gearboxes offer higher efficiency and can handle higher input speeds.
Spur Gearbox: Worm gearboxes have better shock load resistance due to their sliding motion, while spur gearboxes are more efficient and suitable for lower torque applications.
Cycloidal Gearbox: Cycloidal gearboxes have high shock load capacity and compact design, but worm gearboxes are more cost-effective and can handle higher reduction ratios.
While worm gearboxes have advantages such as high torque output, compact design, and self-locking capability, the choice between gearbox types depends on the specific requirements of the application, including torque, efficiency, speed, and space limitations.
1, High torque double enveloping adjust toughest working condition . 2,Universal design double enveloping worm gearbox. 3, Smooth and noiseless operation double worm gearbox. 4, Higher driving efficiency than traditional worm gear. 5, Increasing loading capacity . 6, Strict quality test before shipping 7, Customized design for various application 8, Long life service period 9, suitable price with moderated 10: moderate price & high quality 11: four-axis linkage
SGR C series double enveloping worm gear reducer use High torque Gearbox design by SGR’s Professional R&D team, it has straight-sided forms on both gear teeth and worm threads with this form tangent to a common base circle. and SGR double enveloping worm gear reducer awarded by the National Speed Reducer & Variator Industry Association . it has different involutes or curved tooth forms, Multi-tooth meshed, allowed CZPT load , so CZPT worm gearbox has higher driving efficiency than traditional worm gear . double enveloping worm gear reducer is suit for high reduction ratio, without install space constraints , and provision of using many different gears type . double enveloping worm gear can reach to 200:1 ratio . improve gearbox torque , Increasing loading capacity , At the same time , SGR double enveloping worm gearbox use fans or cooling pipe [*1*]to slove heat generated during gear unit running for Long life service period . The advantage of SGR double enveloping worm gearbox , first advantage is CZPT use four-axis linkage technology , second is CZPT ensure worm gear reducer long life and high reliability design , and Perfect quality controlling system, strict inspection . Besides , SGR also can special design base various requirement High torque double enveloping worm gearbox adjust toughest working condition , and CZPT offer state of the art technology and quality solutions for Metal cutting and forming machinery ,Mining and construction equipment ,Paper and plastic converting machinery etc high power density, designed for heavy duty application .
Energy Efficiency of a Worm Gearbox: What to Expect
The energy efficiency of a worm gearbox is an important factor to consider when evaluating its performance. Here’s what you can expect in terms of energy efficiency:
Typical Efficiency Range: Worm gearboxes are known for their compact size and high gear reduction capabilities, but they can exhibit lower energy efficiency compared to other types of gearboxes. The efficiency of a worm gearbox typically falls in the range of 50% to 90%, depending on various factors such as design, manufacturing quality, lubrication, and load conditions.
Inherent Losses: Worm gearboxes inherently involve sliding contact between the worm and worm wheel. This sliding contact generates friction, leading to energy losses in the form of heat. The sliding action also contributes to lower efficiency when compared to gearboxes with rolling contact.
Helical-Worm Design: Some manufacturers offer helical-worm gearbox designs that combine elements of helical and worm gearing. These designs aim to improve efficiency by incorporating helical gears in the reduction stage, which can lead to higher efficiency compared to traditional worm gearboxes.
Lubrication: Proper lubrication plays a significant role in minimizing friction and improving energy efficiency. Using high-quality lubricants and ensuring the gearbox is adequately lubricated can help reduce losses due to friction.
Application Considerations: While worm gearboxes might have lower energy efficiency compared to other types of gearboxes, they still offer advantages in terms of compactness, high torque transmission, and simplicity. Therefore, the decision to use a worm gearbox should consider the specific requirements of the application, including the trade-off between energy efficiency and other performance factors.
When selecting a worm gearbox, it’s essential to consider the trade-offs between energy efficiency, torque transmission, gearbox size, and the specific needs of the application. Regular maintenance, proper lubrication, and selecting a well-designed gearbox can contribute to achieving the best possible energy efficiency within the limitations of worm gearbox technology.
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What is a Worm Gearbox and How Does It Work?
A worm gearbox, also known as a worm gear reducer, is a mechanical device used to transmit rotational motion and torque between non-parallel shafts. It consists of a worm screw and a worm wheel, both of which have helical teeth. The worm screw resembles a threaded cylinder, while the worm wheel is a gear with teeth that mesh with the worm screw.
The working principle of a worm gearbox involves the interaction between the worm screw and the worm wheel. When the worm screw is rotated, its helical teeth engage with the teeth of the worm wheel. As the worm screw rotates, it translates the rotational motion into a perpendicular motion, causing the worm wheel to rotate. This perpendicular motion allows the worm gearbox to achieve a high gear reduction ratio, making it suitable for applications that require significant speed reduction.
One of the key features of a worm gearbox is its ability to provide a high gear reduction ratio in a compact design. However, due to the sliding nature of the meshing teeth, worm gearboxes may exhibit higher friction and lower efficiency compared to other types of gearboxes. Therefore, they are often used in applications where efficiency is not the prim
Maintenance Tips for Prolonging the Life of a Worm Gearbox
Proper maintenance is essential to ensure the longevity and reliable performance of a worm gearbox. Here are some maintenance tips to consider:
Lubrication: Regularly check and replenish the lubricant in the gearbox. Use the recommended lubricant type and quantity specified by the manufacturer.
Lubrication Schedule: Follow a lubrication schedule based on the operating conditions and manufacturer recommendations. Regular lubrication prevents friction, reduces wear, and dissipates heat.
Temperature Monitoring: Keep an eye on the operating temperature of the gearbox. Excessive heat can degrade the lubricant and damage components.
Cleanliness: Keep the gearbox and surrounding area clean from debris and contaminants. Regularly inspect and clean the gearbox exterior.
Seal Inspection: Check for any leaks or damage to seals and gaskets. Replace them promptly to prevent lubricant leaks and contamination.
Alignment: Ensure proper alignment between the worm and worm wheel. Misalignment can lead to increased wear and reduced efficiency.
Torque Monitoring: Monitor the torque levels during operation. Excessive torque can cause overloading and premature wear.
Regular Inspections: Periodically inspect all components for signs of wear, damage, or unusual noise. Replace worn or damaged parts promptly.
Proper Usage: Operate the gearbox within its specified limits, including load, speed, and temperature. Avoid overloading or sudden changes in operating conditions.
Expert Maintenance: If major maintenance or repairs are needed, consult the manufacturer’s guidelines or seek the assistance of qualified technicians.
By following these maintenance tips and adhering to the manufacturer’s recommendations, you can extend the lifespan of your worm gearbox and ensure its optimal performance over time.
ary concern but where high torque and speed reduction are essential, such as conveyor systems, elevators, automotive steering systems, and certain industrial machinery.
1, High torque double enveloping adjust toughest working condition . 2,Universal design double enveloping worm gearbox. 3, Smooth and noiseless operation double worm gearbox. 4, Higher driving efficiency than traditional worm gear. 5, Increasing loading capacity . 6, Strict quality test before shipping 7, Customized design for various application 8, Long life service period 9, suitable price with moderated 10: moderate price & high quality 11: four-axis linkage
SGR C series double enveloping worm gear reducer use High torque Gearbox design by SGR’s Professional R&D team, it has straight-sided forms on both gear teeth and worm threads with this form tangent to a common base circle. and SGR double enveloping worm gear reducer awarded by the National Speed Reducer & Variator Industry Association . it has different involutes or curved tooth forms, Multi-tooth meshed, allowed CZPT load , so CZPT worm gearbox has higher driving efficiency than traditional worm gear . double enveloping worm gear reducer is suit for high reduction ratio, without install space constraints , and provision of using many different gears type . double enveloping worm gear can reach to 200:1 ratio . improve gearbox torque , Increasing loading capacity , At the same time , SGR double enveloping worm gearbox use fans or cooling pipe [*1*]to slove heat generated during gear unit running for Long life service period . The advantage of SGR double enveloping worm gearbox , first advantage is CZPT use four-axis linkage technology , second is CZPT ensure worm gear reducer long life and high reliability design , and Perfect quality controlling system, strict inspection . Besides , SGR also can special design base various requirement High torque double enveloping worm gearbox adjust toughest working condition , and CZPT offer state of the art technology and quality solutions for Metal cutting and forming machinery ,Mining and construction equipment ,Paper and plastic converting machinery etc high power density, designed for heavy duty application .
Worm gear configurations vary based on the arrangement of the worm and the gear it engages with. Here are common types and their applications:
Single Enveloping Worm Gear: This configuration offers high torque transmission and efficiency. It’s used in heavy-duty applications like mining equipment and industrial machinery.
Double Enveloping Worm Gear: With increased contact area, this type provides higher load capacity and improved efficiency. It’s used in aerospace applications, robotics, and precision machinery.
Non-Throated Worm Gear: This type has a cyli
Common Problems and Troubleshooting for Worm Gearboxes
Worm gearboxes, like any mechanical component, can experience various issues over time. Here are some common problems that may arise and possible troubleshooting steps:
Overheating: Overheating can occur due to factors such as inadequate lubrication, excessive loads, or high operating temperatures. Check lubrication levels, ensure proper ventilation, and reduce loads if necessary.
Noise and Vibration: Excessive noise and vibration may result from misalignment, worn gears, or improper meshing. Check for misalignment, inspect gear teeth for wear, and ensure proper gear meshing.
Leakage: Oil leakage can be caused by damaged seals or gaskets. Inspect seals and gaskets, and replace them if necessary.
Reduced Efficiency: Efficiency loss can occur due to friction, wear, or misalignment. Regularly monitor gearbox performance, ensure proper lubrication, and address any wear or misalignment issues.
Backlash: Excessive backlash can affect precision and accuracy. Adjust gear meshing and reduce backlash to improve performance.
Seizure or Binding: Seizure or binding can result from inadequate lubrication, debris, or misalignment. Clean the gearbox, ensure proper lubrication, and address misalignment issues.
Worn Gears: Worn gear teeth can lead to poor performance. Regularly inspect gears for signs of wear, and replace worn gears as needed.
Seal Wear: Seals can wear over time, leading to leakage and contamination. Inspect seals regularly and replace them if necessary.
If you encounter any of these problems, it’s important to address them promptly to prevent further damage and maintain the performance of your worm gearbox. Regular maintenance, proper lubrication, and addressing issues early can help extend the lifespan and reliability of the gearbox.
ndrical worm without a throat. It’s suitable for applicatio
Worm Gearbox Applications in Robotics and Automation
Worm gearboxes play a crucial role in various robotics and automation applications due to their unique characteristics and benefits. Here are some common applications where worm gearboxes are used:
Robotic Arm Movement: Worm gearboxes are employed in robotic arms to provide precise and controlled movement. The self-locking property of worm gearboxes helps maintain the arm’s position without requiring additional brakes.
Conveyor Systems: In automated production lines, worm gearboxes are used to drive conveyor belts and move materials or products along assembly lines with accuracy.
Precision Positioning: Worm gearboxes are used in precision positioning systems, such as those found in pick-and-place robots and CNC machines. They ensure accurate and repeatable movements.
Pan and Tilt Mechanisms: Worm gearboxes are utilized in pan and tilt mechanisms of surveillance cameras, robotic cameras, and sensors. The self-locking feature helps stabilize and maintain the desired angle.
Automated Gates and Doors: Worm gearboxes are used in automated gate and door systems to control their opening and closing movements smoothly and safely.
Material Handling: Robots in warehouses and distribution centers use worm gearboxes to manipulate and lift objects, enhancing efficiency in material handling.
Medical Robotics: Worm gearboxes are employed in medical robots for surgical procedures, diagnostic equipment, and rehabilitation devices, ensuring precise and controlled movements.
Industrial Robots: Industrial robots rely on worm gearboxes for various tasks, including welding, painting, assembly, and packaging, where precise movements are essential.
Automated Testing Equipment: In testing and inspection applications, worm gearboxes provide the necessary movement and positioning for accurate testing and measurements.
Food and Beverage Industry: Worm gearboxes are used in automated food processing and packaging systems, ensuring hygienic and precise movement of products.
Worm gearboxes are preferred in these applications due to their compact size, high torque output, self-locking feature, and ability to provide a right-angle drive. However, selecting the right gearbox requires considering factors such as load, speed, efficiency, and environmental conditions.
ns requiring precise motion control, such as CNC machines and robotics.
Throated Worm Gear: Featuring a throat in the worm, this configuration offers smooth engagement and higher load capacity. It’s used in conveyors, elevators, and automotive applications.
Non-Modular Worm Gear: In this design, the worm and gear are a matched set, resulting in better meshing and efficiency. It’s utilized in various industries where customization is essential.
Modular Worm Gear: This type allows interchangeability of worm and gear components, providing flexibility in design and maintenance. It’s commonly used in conveyors, mixers, and material handling systems.
Selecting the appropriate worm gear configuration depends on factors such as load capacity, efficiency, precision, and application requirements. Consulting gearbox experts can help determine the best configuration for your specific needs.
HangZhou CZPT Machinery Co.,Ltd established on 1984, headquartered in HangZhou, CHINA, is a comprehensive enterprise that specializes in the research, production and sales of speed reducers.
Our products E-R,E-S,E-K,E-F series of Helical gear speed reducer, E-RV,E-VF,E-UDL,E-WP series of Worm gear speed reducer, E-GM,E-GR,E-BLDC,E-PMDC series of Gear motor, EPB,EPT, EPS,EPL series of Precision planetary reducer and Special customized of reducers are leading in the power gearbox manufacturing industries.
We have the distribution of regional service centers, sales and service department across the 122 countries and zone, 228 cities, services to the steel industries, metallurgical industries, petroleum machinery, food machinery, packaging machinery, ceramic machinery, textile machinery, printing machinery, woodworking machinery, glass machinery, chemical machinery, lifting equipment, shipbuilding industry, cleaning industry, high-voltage switch and fitness equipment etc.
Since 1984,HangZhou CZPT Machinery has been adhering to the values of “integrity,hard work,innovation,and win-win”, insisting on using technology to reform productivity and create a better life.Keep improving.Our goal is to become a world-class expert in the field of drive and power transmission industry, and to promote the continuous innovation of global productivity, and to build Xingda’s own brand EED into global supplier of transmission solutions.
Application:
Motor, Machinery, Marine, Agricultural Machinery
Hardness:
Hardened Tooth Surface
Step:
Single-Step
Type:
Worm Reducer
Transport Package:
Worm Gearbox Applications in Robotics and Automation
Worm gearboxes play a crucial role in various robotics and automation applications due to their unique characteristics and benefits. Here are some common applications where worm gearboxes are used:
Robotic Arm Movement: Worm gearboxes are employed in robotic arms to provide precise and controlled movement. The self-locking property of worm gearboxes helps maintain the arm’s position without requiring additional brakes.
Conveyor Systems: In automated production lines, worm gearboxes are used to drive conveyor belts and move materials or products along assembly lines with accuracy.
Precision Positioning: Worm gearboxes are used in precision positioning systems, such as those found in pick-and-place robots and CNC machines. They ensure accurate and repeatable movements.
Pan and Tilt Mechanisms: Worm gearboxes are utilized in pan and tilt mechanisms of surveillance cameras, robotic cameras, and sensors. The self-locking feature helps stabilize and maintain the desired angle.
Automated Gates and Doors: Worm gearboxes are used in automated gate and door systems to control their opening and closing movements smoothly and safely.
Material Handling: Robots in warehouses and distribution centers use worm gearboxes to manipulate and lift objects, enhancing efficiency in material handling.
Medical Robotics: Worm gearboxes are employed in medical robots for surgical procedures, diagnostic equipment, and rehabilitation devices, ensuring precise and controlled movements.
Industrial Robots: Industrial robots rely on worm gearboxes for various tasks, including welding, painting, assembly, and packaging, where precise movements are essential.
Automated Testing Equipment: In testing and inspection applications, worm gearboxes provide the necessary movement and positioning for accurate testing and measurements.
Food and Beverage Industry: Worm gearboxes are used in automated food processing and packaging systems, ensuring hygienic and precise movement of products.
Worm gearboxes are preferred in these applications due to their compact size, high torque output, self-locking feature, and ability to provide a right-angle drive. However, selecting the right gearbox requires considering factors such as load, speed, efficiency, and environmental conditions.
Shrink Packing, Carton Packing
Trademark:
OEM; EED
Calculating Gear Ratio in a Worm Reducer
The gear ratio in a worm reducer is determined by the number of teeth on the worm wheel (also known as the worm gear) and the number of threads on the worm shaft. The gear ratio formula for a worm reducer is:
Gear Ratio = Number of Teeth on Worm Wheel / Number of Threads on Worm Shaft
For example, if the worm wheel has 60 teeth and the worm shaft has a single thread, the gear ratio would be 60:1.
It’s important to note that worm reducers have an inherent self-locking property due to the angle of the worm threads. As a result, the gear ratio also affects the mechanical advantage and the system’s ability to resist backdriving.
When calculating the gear ratio, ensure that the worm reducer is properly designed and that the gear ratio aligns with the desired mechanical characteristics for your application. Additionally, consider factors such as efficiency, load capacity, and speed limitations when selecting a gear ratio for a worm reducer.
Customization:
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Lubrication Requirements for a Worm Gearbox
Lubrication is crucial for maintaining the performance and longevity of a worm gearbox. Here are the key considerations for lubricating a worm gearbox:
Type of Lubricant: Use a high-quality, high-viscosity lubricant specifically designed for worm gearboxes. Worm gearboxes require lubricants with additives that provide proper lubrication and prevent wear.
Lubrication Interval: Follow the manufacturer’s recommendations for lubrication intervals. Regularly check the gearbox’s temperature and oil condition to determine the optimal frequency of lubrication.
Oil Level: Maintain the proper oil level to ensure effective lubrication. Too little oil can lead to insufficient lubrication, while too much oil can cause overheating and foaming.
Lubrication Points: Identify all the lubrication points on the gearbox, including the worm and wheel gear surfaces. Apply the lubricant evenly to ensure complete coverage.
Temperature: Consider the operating temperature of the gearbox. Some lubricants have temperature limits, and extreme temperatures can affect lubricant viscosity and performance.
Cleanliness: Keep the gearbox and the surrounding area clean to prevent contaminants from entering the lubricant. Use proper filtration and seals to maintain a clean environment.
Monitoring: Regularly monitor the gearbox’s temperature, noise level, and vibration to detect any signs of inadequate lubrication or other issues.
Proper lubrication will reduce friction, wear, and heat generation, ensuring smooth and efficient operation of the worm gearbox. Always refer to the manufacturer’s guidelines for lubrication specifications and intervals.
