Tag Archives: input shaft

China Custom Double Input Shaft RV Worm Gearbox 030-150 cycloidal gearbox

Product Description

 

Product Description

Main Features:
1) Made of high quality aluminum alloy, light weight and non-rusting
2) Large output torque and high radiating efficiency
3) Smooth running and low noise, can work long time in dreadful condition
4) Good-looking appearance, durable service life and small volume
5) Suitable for omnibearing installation
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
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

Detailed Photos

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

Exploded View:

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) 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 the Middle East and so on.Our aim is to develop and innovate on the basis of high quality, and create a good reputation for reducers.
Workshop:

Exhibitions:
We participate Germany Hannver Exhibition-ZheJiang PTC Fair-Turkey Win Eurasia

Packaging & Shipping

  Packing information:Plastic Bags+Cartons+Wooden Cases , or on request

Installation Instructions

To install the reducer, it is necessary to note the following issues:
1)Check the correct rotation direction of output shaft before fitting reducer to machines.
2)Before mounting, pls check shaft diameter, bore diameter, key and keyway, to be sure their dimension are not deviation; In order to keep good performance, also pls avoid assembling too tight or too loose. 
3)Reducer must be mounted to machines stably to avoid vibration.
4)Whenever possible,protect the reducer against solar radiation and bad weather.
5)In the case of particularly lengthy period of storage(4-6 months), if the oil seal is not immersed in lubricant inside the unit, it is recommended to change it since the rubber could stick to the shaft or may even have lost the elasticity.
6)Painting must definitely not go over rubber parts and the holes on breather plug if any.
7)When connect with hollow or CHINAMFG shaft, pls grease the joint to avoid lock or oxidation.
8)Check the correct lubricant level through indicator if there is one.
9)Starting must take place gradually, without immediately applying the maximum load.
10)When using various of motors to match reducer directly, supporting unit is required if motor is too heavy.
11)Ensure good heat dissipation by keeping good ventilation near the motor fan.
12)In the case of ambient temperature40ºC, pls call the technical department.

After Sales Service

1.Maintenance Time and Warranty:Within 1 year after receiving goods.
2.Other ServiceIncluding 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$ 15/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

worm gearbox

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.

worm 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.

worm gearbox

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.

China Custom Double Input Shaft RV Worm Gearbox 030-150   cycloidal gearbox	China Custom Double Input Shaft RV Worm Gearbox 030-150   cycloidal gearbox
editor by CX 2023-10-08

China high quality Nrv Series Worm Gear Box with Input Shaft Aluminum Body components of gearbox

Product Description

RV series Characteristics

  • RV – Sizes:–150
  • Input Options: with input shaft, With Square flange,With Input Flange
  • Input Power 0.06 to 11 kW
  • RV-Size from 030 to 105 in die-cast aluminium alloy budy and over 110 in cast iron
  • Ratios between 5 and 100
  • Max torque 1550 N.m and admissible output radial loads max 8771 N
  • Aluminium units are supplied complete with synthetic oil and allow for universal mounting positions, with no need to modify lubricant quantity
  • Worm wheel: Copper (KK Cu). 
  • Loading capacity in accordance with: ISO 9001:2015/GB/T 19001-2016
  • Size 030 and over are painted with RAL 5571 blue
  • Worm gear reducers are available with diffferent combinations: NMRV+NMRV, NMRVpower+NMRV, JWB+NMRV
  • NMRV, NRV+VS,NMRV+AS,NMRV+VS,NMRV+F
  • Options: torque arm, output flange, viton oil seals, low/high temperature oil, filling/drain/breather/level plug,Small gap

Basic models can be applied to a wide range of power reduction ratios from 5 to 1000.
Warranty: One year from date of delivery.

 

WORM GEARBOX          
NMRV SERIES          Output Speed Range:
Type Old Type Output Torque Output Shaft Dia.   14rpm-280rpm
NMRV030  RV030  21N.m  φ14   Applicable Motor Power:
NMRV040  RV040  45N.m  φ19   0.06kW-11kW
NMRV050  RV050  84N.m  φ25   Input Options1:
NMRV063  RV063  160N.m  φ25   With Inline AC Motor
NMRV075  RV075  230N.m  φ28   Input Options2:
NMRV090  RV090  410N.m  φ35   With Square flange
NMRV105  RV105  630N.m  φ42   Input Options3:
NMRV110  RV110  725N.m  φ42   With Input Shaft
NMRV130  RV130  1050N.m  φ45   Input Options4:
NMRV150  RV150  1550N.m  φ50   With Input Flange

Starshine Drive

ZheJiang CHINAMFG Drive Co.,Ltd,the predecessor was a state-owned military mould enterprise, was established in 1965. CHINAMFG specializes in the complete power transmission solution for high-end equipment manufacturing industries based on the aim of “Platform Product, Application Design and Professional Service”.
Starshine have a strong technical force with over 350 employees at present, including over 30 engineering technicians, 30 quality inspectors, covering an area of 80000 square CHINAMFG and kinds of advanced processing machines and testing equipments. We have a good foundation for the industry application development and service of high-end speed reducers & variators owning to the provincial engineering technology research center,the lab of gear speed reducers, and the base of modern R&D.

Our Team

Quality Control
Quality:Insist on Improvement,Strive for Excellence With the development of equipment manufacturing indurstry,customer never satirsfy with the current quality of our products,on the contrary,wcreate the value of quality.
Quality policy:to enhance the overall level in the field of power transmission  
Quality View:Continuous Improvement , pursuit of excellence
Quality Philosophy:Quality creates value

3. Incoming Quality Control
To establish the AQL acceptable level of incoming material control, to provide the material for the whole inspection, sampling, immunity. On the acceptance of qualified products to warehousing, substandard goods to take return, check, rework, rework inspection; responsible for tracking bad, to monitor the supplier to take corrective measures
 to prevent recurrence.

4. Process Quality Control
The manufacturing site of the first examination, inspection and final inspection, sampling according to the requirements of some projects, judging the quality change trend;
 found abnormal phenomenon of manufacturing, and supervise the production department to improve, eliminate the abnormal phenomenon or state.

5. FQC(Final QC)
After the manufacturing department will complete the product, stand in the customer’s position on the finished product quality verification, in order to ensure the quality of 
customer expectations and needs.

6. OQC(Outgoing QC)
After the product sample inspection to determine the qualified, allowing storage, but when the finished product from the warehouse before the formal delivery of the goods, there is a check, this is called the shipment inspection.Check content:In the warehouse storage and transfer status to confirm, while confirming the delivery of the product
 is a product inspection to determine the qualified products.

Packing

Delivery

 

Application: Motor, Machinery
Function: Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction
Layout: Worm
Hardness: Hardened Tooth Surface
Installation: Worm and Worm Wheel
Step: Single-Step
Customization:
Available

|

Customized Request

worm gearbox

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 gearbox

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.

worm gearbox

Advantages of Using a Worm Reducer in Mechanical Systems

Worm reducers offer several advantages that make them suitable for various mechanical systems:

  • High Gear Reduction Ratio: Worm gearboxes provide significant speed reduction, making them ideal for applications that require a high gear reduction ratio without the need for multiple gears.
  • Compact Design: Worm reducers have a compact and space-saving design, allowing them to be used in applications with limited space.
  • Self-Locking: Worm gearboxes exhibit self-locking properties, which means that the worm screw can prevent the worm wheel from reversing its motion. This is beneficial for applications where the gearbox needs to hold a load in place without external braking mechanisms.
  • Smooth and Quiet Operation: Worm gearboxes operate with a sliding motion between the teeth, resulting in smoother and quieter operation compared to some other types of gearboxes.
  • High Torque Transmission: Worm gearboxes can transmit high torque levels, making them suitable for applications that require powerful torque output.
  • Heat Dissipation: The sliding action between the worm screw and the worm wheel contributes to heat dissipation, which can be advantageous in applications that generate heat during operation.
  • Stable Performance: Worm reducers offer stable and reliable performance, making them suitable for continuous operation in various industrial and mechanical systems.

Despite these advantages, it’s important to note that worm gearboxes also have limitations, such as lower efficiency compared to other gear types due to the sliding motion and potential for higher heat generation. Therefore, selecting the appropriate type of gearbox depends on the specific requirements and constraints of the application.

China high quality Nrv Series Worm Gear Box with Input Shaft Aluminum Body   components of gearbox	China high quality Nrv Series Worm Gear Box with Input Shaft Aluminum Body   components of gearbox
editor by CX 2023-09-26

China Standard Cast Iron Reducer Double Enveloping Worm Gearbox with Input Shaft supplier

Product Description

Cast Iron Reducer Double Enveloping Worm Gearbox with Input Shaft

Description:
Model: C100 – 500
Ratio: 10.25 – 63
Output Torque : 683 – 51180 N.m
Rating Power : 1/4HP(0.18 Kw) – 600HP(450Kw)

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 .

Dtasheet of CUW :

Model ShaftDia. (mm) Center Height (CUW) (CUW) Output shaft Dia. Power Ratio Permitted Torque Weight
(CUW) input Solid(h6) (mm) (mm) (kw) (Nm) (KGS)
C_ 100 28 190 48 1.41~11.5 10 ~ 62 683-1094 42
C_ 125 32 225 55 2.42~19.7 10 ~ 62 1170~2221 65
C_ 140 38 255 65 3.94~25.9 10 ~ 62 1555 ~ 3473 85
C_ 160 42 290 70 4.39~35.7 10 ~ 62 2143 ~4212 120
C_ 180 48 320 80 5.83~47.5 10 ~ 62 2812 ~ 5387 170
C_ 200 55 350 90 7.52 ~61.2 10 ~ 62 3624 ~6859 220
C_ 225 60 390 100 9.9~81.4 10 ~ 62 4872 ~ 9224 290
C_ 250 65 430 110 12.9 ~105 10 ~ 62 6284~11892 380
C_ 280 70 480 120 16.9 ~ 138 10 ~ 62 8347 ~ 15820 520
C_ 315 75 530 140 22.5 ~183 10 ~ 62 11068~ 19450 700
C_ 355 80 595 150 30~245 10 ~ 62 14818 ~28014  1030
C_ 400 90 660 170 32.1 ~261 10 ~ 62 15786~29918 1400
C_ 450 100 740 190 42.6 ~347 10 ~ 62 2571~39881 1980
C_ 500 110 815 210 54.9 ~ 448 10 ~ 62 27097~51180 2700

 

Application: Motor, Machinery, Marine, Agricultural Machinery
Function: Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout: Coaxial
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Single-Step
Samples:
US$ 500/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

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.

Customized Request

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.

China Standard Cast Iron Reducer Double Enveloping Worm Gearbox with Input Shaft   supplier China Standard Cast Iron Reducer Double Enveloping Worm Gearbox with Input Shaft   supplier
editor by CX 2023-08-17

China supplier Cast Iron Reducer Double Enveloping Worm Gearbox with Input Shaft gearbox drive shaft

Product Description

Cast Iron Reducer Double Enveloping Worm Gearbox with Input Shaft

Description:
Model: C100 – 500
Ratio: 10.25 – 63
Output Torque : 683 – 51180 N.m
Rating Power : 1/4HP(0.18 Kw) – 600HP(450Kw)

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 .

Dtasheet of CUW :

Model ShaftDia. (mm) Center Height (CUW) (CUW) Output shaft Dia. Power Ratio Permitted Torque Weight
(CUW) input Solid(h6) (mm) (mm) (kw) (Nm) (KGS)
C_ 100 28 190 48 1.41~11.5 10 ~ 62 683-1094 42
C_ 125 32 225 55 2.42~19.7 10 ~ 62 1170~2221 65
C_ 140 38 255 65 3.94~25.9 10 ~ 62 1555 ~ 3473 85
C_ 160 42 290 70 4.39~35.7 10 ~ 62 2143 ~4212 120
C_ 180 48 320 80 5.83~47.5 10 ~ 62 2812 ~ 5387 170
C_ 200 55 350 90 7.52 ~61.2 10 ~ 62 3624 ~6859 220
C_ 225 60 390 100 9.9~81.4 10 ~ 62 4872 ~ 9224 290
C_ 250 65 430 110 12.9 ~105 10 ~ 62 6284~11892 380
C_ 280 70 480 120 16.9 ~ 138 10 ~ 62 8347 ~ 15820 520
C_ 315 75 530 140 22.5 ~183 10 ~ 62 11068~ 19450 700
C_ 355 80 595 150 30~245 10 ~ 62 14818 ~28014  1030
C_ 400 90 660 170 32.1 ~261 10 ~ 62 15786~29918 1400
C_ 450 100 740 190 42.6 ~347 10 ~ 62 2571~39881 1980
C_ 500 110 815 210 54.9 ~ 448 10 ~ 62 27097~51180 2700

 

Application: Motor, Machinery, Marine, Agricultural Machinery
Function: Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout: Coaxial
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Single-Step
Samples:
US$ 500/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

Types of Worm Gear Configurations and Their Uses

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.

China supplier Cast Iron Reducer Double Enveloping Worm Gearbox with Input Shaft   gearbox drive shaft	China supplier Cast Iron Reducer Double Enveloping Worm Gearbox with Input Shaft   gearbox drive shaft
editor by CX 2023-08-16

China RV Series Worm Gearbox, Shaft Input Gear Without Flange double enveloping worm gearbox

Item Description

RV Sequence Worm Gearbox, Shaft Enter Equipment With no Flange

NMRV 571-one hundred fifty worm equipment box with flange and electric powered motor
NMRV
Fax:
Cellular:   
Deal with: No.1394, CZPT Road, HangZhou, China
Zip Code: 450016

Welcome you contace me if you are fascinated in our product.
Our team will assistance any require you may have.

US $1-150
/ Piece
|
1 Piece

(Min. Order)

###

Application: Machinery, Industry
Function: Speed Changing, Speed Reduction
Layout: Orthogonal
Hardness: Hardened
Installation: Horizontal Type
Step: Single-Step

###

Customization:

###

SPEED RATIO 7.5~100
OUTPUT TORQUE <1050NM
IN POWER 0.09-11KW
MOUNTING TYPE FOOT-MOUNTED FLANGE-MOUNTED

###

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-3000N.m
Ratio 7.5-100, the double gearbox is  more
Color Blue, Silver or as customers’ need
Material Iron or Aluminium
Packing Carton with Plywood  Case or as clients’ requirement
Type RV025 RV030 RV040 RV050 RV063 RV075 RV090
Weight 0.7kg 1.3kg 2.3kg 3.5kg 6.2kg 9kg 13kg
Type RV110 RV130 RV150        
Weight 35kg 60kg 84kg        
Mounting Methods Foot Installation   Flange Installation
For various  mortor or double input/output shafts can be equipped
US $1-150
/ Piece
|
1 Piece

(Min. Order)

###

Application: Machinery, Industry
Function: Speed Changing, Speed Reduction
Layout: Orthogonal
Hardness: Hardened
Installation: Horizontal Type
Step: Single-Step

###

Customization:

###

SPEED RATIO 7.5~100
OUTPUT TORQUE <1050NM
IN POWER 0.09-11KW
MOUNTING TYPE FOOT-MOUNTED FLANGE-MOUNTED

###

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-3000N.m
Ratio 7.5-100, the double gearbox is  more
Color Blue, Silver or as customers’ need
Material Iron or Aluminium
Packing Carton with Plywood  Case or as clients’ requirement
Type RV025 RV030 RV040 RV050 RV063 RV075 RV090
Weight 0.7kg 1.3kg 2.3kg 3.5kg 6.2kg 9kg 13kg
Type RV110 RV130 RV150        
Weight 35kg 60kg 84kg        
Mounting Methods Foot Installation   Flange Installation
For various  mortor or double input/output shafts can be equipped

Worm reducer gearbox

Worm reducer gearboxes are commonly used to reduce the Agknx produced by a rotating shaft. They can achieve reduction ratios of five to sixty. In contrast, a single-stage hypoid gear can achieve up to a 120:1 reduction ratio. For further reduction, another type of gearing is used. So, a single stage worm reducer gearbox cannot achieve higher ratios than these.<brworm reducer

Mechanics

A worm reducer gearbox is an auxiliary mechanical device that uses worms to reduce the size of a rotating shaft. These worms have a range of tooth forms. One form is a line weave twist surface. Another is a trapezoid based on a central cross section. The trapezoid can be perpendicular to the tooth cross section, or it can be normal to the root cross section. Other forms include involute helicoids and convolute worms, which use a straight line intersecting the involute generating line.
Worm gears are lubricated with a special lubricant. Because worm gears are complex, it’s important to use the correct lubricant. Worm gear manufacturers provide approved lubricants for their gears. Using unapproved gear oil can damage your reducer gearbox’s efficiency. The right lubricant depends on several factors, including load, speed, duty cycle, and expected operating temperatures.
The efficiency of a worm gear reducer gearbox depends on several factors, including losses at gear mesh, losses in the bearings, and windage in the oil seal lip. In addition, the worm gear reducer gearbox’s efficiency varies with ambient temperature and operating temperature. The worm gear reducer gearbox’s efficiency can also vary with the ratio of the load. Moreover, worm gear reducer gearboxes are subject to break-in.
Worm gear reducer gearboxes are used in many different applications. They are typically used in small electric motors, but they’re also used in conveyor systems, presses, elevators, and mining applications. Worm gears are also commonly found in stringed musical instruments.
Worm gears have excellent reduction ratios and high Agknx multiplication, and they’re often used as speed reducer gearboxes in low to medium-speed applications. However, the efficiency of worm gear reducer gearboxes decreases with increasing ratios.

Sizes

Worm reducer gearboxes come in different sizes and tooth shapes. While the tooth shape of one worm is similar to the other, different worms are designed to carry a different amount of load. For example, a circular arc worm may have a different tooth shape than one with a secondary curve. Worm gears can also be adjusted for backlash. The backlash is the difference between the advancing and receding arc.
There are two sizes of worm reducer gearboxes available from Agknx Transmission. The SW-1 and SW-5 models offer ratios of 3.5:1 to 60:1 and 5:1 to 100:1 respectively. The size of the worm reducer gearbox is determined by the required gear ratio.
Worm gears have different thread counts. One is based on the central cross-section of the worm, and the other is on the right. Worm gears can have either a single or double thread. Single-threaded gears will reduce speed by 50 percent, while double-threaded gears will reduce speed by 25 percent.
Worm gear reducer gearboxes are lightweight and highly reliable. They can accommodate a variety of NEMA input flanges and hollow output bore sizes. Worm reducer gearboxes can be found at 6 regional warehouses, with prepaid freight. To make a purchasing decision, you should consider the horsepower and Agknx requirements of your specific application.
worm reducer

Applications

The Worm reducer gearbox market is a global business that is dominated by the North American and European regions. The report provides in-depth information on the market trends, key challenges, and opportunities. It also examines the current state of the industry and projects future market growth. The report is organized into segments based on product type, major geographical regions, and application. It also presents statistics and key data about the market.
Worm gear reducer gearboxes have many applications. They can be used to increase the speed of convey belts. They also help reduce noise. Worm gears have many teeth that touch the gear mesh, which makes them quieter. Moreover, the worm gears require only a single stage reducer gearbox, reducing the number of moving parts in the system.
The worm gear has long life and is suitable for different industries. It is a perfect choice for elevators and other applications that need fast stopping and braking. Its compact size and ability to hold a load make it suitable for these applications. It also prevents the load from free-falling as a result of a sudden braking. Worm gears can also be used in heavy-duty machinery such as rock crushers.
Worm gears are similar to ordinary gears except that they transfer motion at a 90-degree angle. As a result, the worm gears are extremely quiet, making them a suitable option for noise sensitive applications. They are also excellent for low-voltage applications, where the noise is critical.
Worm gears are ideal for applications with space restrictions, because they require fewer gear sets. The worm gears also allow for a smaller gearbox size. Consequently, they are the perfect choice for machines that are space-constrained, such as conveyors and packaging equipment.

Cost

The lifespan of a worm gear reducer gearbox is comparable to other gear reducer gearboxes. Worm gears have a long history of innovation and use in various industries, from shipbuilding to automobile manufacturing. Today, these gear reducer gearboxes are still popular with engineers. However, there are some things to keep in mind before buying one.
In the first place, a worm reducer gearbox needs to be affordable. Generally, a worm reducer gearbox costs about $120. The price varies with the brand name and features. Some products are more expensive than others, so be sure to shop around for the best price. In addition, it is important to consider the quality and design of the worm reducer gearbox before making a purchase.
Worm gear manufacturers have made significant advancements in materials, design and manufacturing. These advancements, along with the use of advanced lubricants, have resulted in significant increases in efficiency. For example, double enveloping worm gear reducer gearboxes have improved efficiency by three to eight percentage points. This improvement was achieved through rigorous testing of manufacturing processes and materials. With these improvements, worm gear reducer gearboxes have become more desirable in today’s market.
Worm reducer gearboxes are extremely versatile and reliable, and are available in a variety of sizes. Domestic manufacturers usually stock a large selection of reducer gearboxes, and are often able to ship them the same day you place your order. Most major domestic worm gear reducer gearbox manufacturers also share some critical mounting dimensions, such as the output shaft diameter, the mounting hole location, and the overall reducer gearbox housing height. Most manufacturers also offer standardized gear ratios. Some manufacturers have also improved gear design and added synthetic lubricants for better performance.
In addition, different tooth shapes of worms can increase their load carrying capacity. They can be used on secondary curves and circular arc cross sections. Moreover, the pitch point defines the boundary of the cross section. The mesh on the receding arc is smoother than that of the advancing arc. However, in the case of negative shifting, most of the mesh is on the receding arc.
worm reducer

Self-locking function

A worm reducer gearbox has a self-locking function. When a worm is fitted with all of its addendum teeth, the total number of teeth in the system should be greater than 40. This self-locking function is achieved through the worm’s rack and pinion mechanism. The worm’s self-locking feature can prevent the load from being dropped and is useful for many applications.
The self-locking function of a worm reducer gearbox is possible for two main reasons. First of all, a worm reducer gearbox uses two or more gears. One gear is placed at the input, and the other gear runs the output shaft. This mechanism produces a torque, which is transmitted to a spur gear.
Worm reducer gearboxes can be used in a variety of industrial applications. Because of their self-locking function, they are useful for preventing back-driving. They are also helpful for lifting and holding loads. Their self-locking mechanism allows for a large gear reduction ratio without increasing the size of a gear box.
Self-locking gears can be used to prevent back-driving and inertial driving. This is useful for many industries and can prevent backdriving. However, one major disadvantage of self-locking gears is their sensitivity to operating conditions. Lubrication, vibration, and misalignment can affect their reliability.
Embodiments of the invention provide a self-locking mechanism that prevents back-driving but allows forward-driving. The self-locking mechanism may comprise first and second ratchet cams disposed about a gear member. A releasable coupling member may be interposed between the gear member and the ratchet cam. This facilitates selective coupling and decoupling.
The worm reducer gearbox has several advantages. Its compact design is ideal for many mechanical transmission systems. It also provides greater load capacity than a cross-axis helical gear mechanism.

China RV Series Worm Gearbox, Shaft Input Gear Without Flange     double enveloping worm gearboxChina RV Series Worm Gearbox, Shaft Input Gear Without Flange     double enveloping worm gearbox
editor by czh 2023-02-02