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China Professional Motovario Nmrv Worm Gear Box for Mixer Transmission Speed Reduction automatic gearbox

Product Description

 

Product Description

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) 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 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
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$ 10/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

worm gearbox

Can a Worm Gearbox be Used for High-Speed Applications?

Worm gearboxes are generally not recommended for high-speed applications due to their inherent design characteristics. Here’s why:

  • Efficiency: Worm gearboxes tend to have lower efficiency compared to other gearbox types, which means they can generate more heat and experience more energy loss at high speeds.
  • Heat Generation: The sliding contact between the worm and worm wheel in a worm gearbox can lead to significant friction and heat generation, especially at high speeds. This heat can cause thermal expansion, affecting the gearbox’s performance and longevity.
  • Wear and Noise: High speeds can exacerbate wear and noise issues in worm gearboxes. Increased friction and wear can lead to faster degradation of components, resulting in reduced lifespan and increased maintenance needs.
  • Backlash: Worm gearboxes may have higher backlash compared to other gearbox types, which can impact precision and accuracy in high-speed applications.

While worm gearboxes are more commonly used in applications requiring high torque and moderate speeds, they may not be the best choice for high-speed scenarios. If high-speed operation is a requirement, other gearbox types such as helical, spur, or planetary gearboxes are often better suited due to their higher efficiency, lower heat generation, and reduced wear at elevated speeds.

worm gearbox

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.

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 Professional Motovario Nmrv Worm Gear Box for Mixer Transmission Speed Reduction   automatic gearbox	China Professional Motovario Nmrv Worm Gear Box for Mixer Transmission Speed Reduction   automatic gearbox
editor by CX 2023-09-27

China Wpa Series Worm Gear Box 1 20 Ratio Horizontal Worm Reduction Gearbox Industrial Motor Worm Gearbox Wpa200 helical worm gearbox

Merchandise Description

Goods Description

Kind

WPA gears,gearboxes,transmission

Dimensions

40-250

Ratio

ten,fifteen,twenty,twenty five,30,forty,fifty,sixty

Mounting Position

Foot mounted, flange mounted

Output Type

Reliable shaft, hollow shaft

Content of Housing

Casting Iron

Materials of Shaft

Chromium metal

Bearing

REN BEN.CU

Technical Parameters

Packing and shipping and delivery

Our certificate

Customer visit

Business Profile

HangZhou HangZhoun Machinery Co., Ltd. is a expert machinery production company, with twenty many years of experience in the area of machinery production and the potential of impartial study and growth. Our goods count on sophisticated engineering, trustworthy high quality, excellent prices to get the believe in of customers. The products are sold to more than fifty nations all above the planet, and have a good cooperative partnership with buyers. Our items appreciate a a single-12 months guarantee service for key components, and our 24-hour technological group offers client support.

Application: Machinery
Function: Speed Changing, Speed Reduction, Speed Increase
Layout: Cycloidal
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Three-Step

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Customization:

###

Type
WPA gears,gearboxes,transmission
Size
40-250
Ratio
10,15,20,25,30,40,50,60
Mounting Position
Foot mounted, flange mounted
Output Form
Solid shaft, hollow shaft
Material of Housing
Casting Iron
Material of Shaft
Chromium steel
Bearing
REN BEN.CU
Application: Machinery
Function: Speed Changing, Speed Reduction, Speed Increase
Layout: Cycloidal
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Three-Step

###

Customization:

###

Type
WPA gears,gearboxes,transmission
Size
40-250
Ratio
10,15,20,25,30,40,50,60
Mounting Position
Foot mounted, flange mounted
Output Form
Solid shaft, hollow shaft
Material of Housing
Casting Iron
Material of Shaft
Chromium steel
Bearing
REN BEN.CU

Worm Reducer

Worm reducers 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 cannot achieve higher ratios than these.<brworm_reducer

Mechanics

A worm reducer 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’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 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’s efficiency varies with ambient temperature and operating temperature. The worm gear reducer’s efficiency can also vary with the ratio of the load. Moreover, worm gear reducers are subject to break-in.
Worm gear reducers 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 reducers in low to medium-speed applications. However, the efficiency of worm gear reducers decreases with increasing ratios.

Sizes

Worm reducers 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 reducers 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 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 reducers are lightweight and highly reliable. They can accommodate a variety of NEMA input flanges and hollow output bore sizes. Worm reducers 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 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 reducers 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, 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 is comparable to other gear reducers. Worm gears have a long history of innovation and use in various industries, from shipbuilding to automobile manufacturing. Today, these gear reducers are still popular with engineers. However, there are some things to keep in mind before buying one.
In the first place, a worm reducer needs to be affordable. Generally, a worm reducer 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 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 reducers 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 reducers have become more desirable in today’s market.
Worm reducers are extremely versatile and reliable, and are available in a variety of sizes. Domestic manufacturers usually stock a large selection of reducers, and are often able to ship them the same day you place your order. Most major domestic worm gear reducer manufacturers also share some critical mounting dimensions, such as the output shaft diameter, the mounting hole location, and the overall reducer 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 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 is possible for two main reasons. First of all, a worm reducer 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 reducers 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 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 Wpa Series Worm Gear Box 1 20 Ratio Horizontal Worm Reduction Gearbox Industrial Motor Worm Gearbox Wpa200     helical worm gearboxChina Wpa Series Worm Gear Box 1 20 Ratio Horizontal Worm Reduction Gearbox Industrial Motor Worm Gearbox Wpa200     helical worm gearbox
editor by czh 2022-12-07