China wholesaler Helical Worm Geared Motor S47 with CE and CCC Certification wholesaler

Product Description

Product Description

E series gear motor is combined with helical gear and worm gear. It is 90° for the input and output shaft.

Mounting position: footed mounting, flange mounting, and shaft mounting, etc.

Technical data:

Output speed:0.12~397rpm

Rated output torque:10~4200N*m

Motor power: 0.12~22KW

Product Show

Product Specification


Product Features
1. Economical operation, low noise, and high permitted overhung loads.
2. Due to their outstanding efficiency, these drives can be used in every industrial sector and tailored to individual torque and speed requirements.
General Technical data
Housing material HT250 high-strength cast iron
Housing hardness HBS190-240
Pinion material  20CrMnTiH
Gear material 20CrMnTiH
Surface hardness of gears HRC58°~62 °
Gear core hardness HRC33~40
Input /output shaft material 40CrMnTiH
Input / Output shaft hardness HRC25~30
Machining precision of gears accurate grinding, 6~7 Grade
Lubricating oil GB L-CKC220
Heat treatment tempering, cementing, 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 C&U, LYC, TMB or other brands requested, S K F…..
Brand of oil seal CTY— ZheJiang or other brands requested
E —- series helical-worm gear motor
E-series single stages
Model Output Shaft Dia. Center Height Output Flange Dia. Power Ratio Permitted Torque Output Speed 
Solid (mm)  (mm) (mm) (kW) (Nm) (RPM)
E37 20k6 80j6 80/120 0.12~1.5 6.72~160 105 8.4~397
E47 25k6 100j6 110/160 0.12~1.5 7.5~212 190 6.6~192
E57 30k6 112j6 130/200 0.18~3.0 7.5~212 340 6.5~194
E67 35k6 140j6 130/200 0.25~5.5 7.45~215 565 6~189
E77 45k6 180j6 180/250 0.37~7.5 7.9~257 1200 3.5~177
E87 60m6 225h6 250/350 0.55~15 8.52~277 2600 1.0~171
E97 70m6 280h6 350/450 1.5~22 8.26~282 4185 4.9~177
E- series double stages 
Model Output Shaft Dia. Center Height Output Flange Dia. Power Ratio Permitted Torque Output Speed 
Solid (mm)  (mm) (mm) (kW) (Nm) (RPM)
E37D17 20k6 80j13 80/120 0.12 110~202 89 6.8~13
E47D17 25k6 100j13 110/160 0.12~0.18 180~438 255 3.2~7.4
E57D17 30k6 112j13 130/200 0.12~0.25 131~655 311 2.1~9.9
E67D37 35k6 140j13 130/200 0.12~0.37 246~1363 600 1.0~5.6
E77D37 45k6 180j13 180/250 0.12~1.1 219~3540 1230 0.39~6.4
E87D57 60m6 225h13 250/350 0.12~1.5 205~7643 2810 0.18~6.9
E97D57 70m6 280h13 350/450 0.12~3.0 179~11267 4420 0.12~7.7
Remarks: please refer to our catalog or ask for a salesman when your technical requirements are special.


Plastic bag + wooden carton

Company  Profiles

-We are a leading gear motor manufacturer
ZHangZhoug Xihu (West Lake) Dis.hai Reducer is a leading manufacturer of gear motors and gearboxes.
Since 1991, we have specialized in manufacturing a wide range of gear motors and gearboxes including:

  • helical gear motor
  • helical bevel gear motor
  • parallel shaft helical gear motor
  • helical worm gear motor
  • hoist drive
  • heavy-duty helical gearbox
  • heavy-duty helical bevel gearbox
  • gear motor for the car parking system
  • spiral bevel gearbox


Q: Can you print other colors?
Yes. Customized colors can be printed on the gear motor according to your requirements.
Q: Is that the factory price?
Yes. We assure you all prices are based on the factory.
Q:  What is the lifespan? what is the guarantee
The lifespan of a gear motor can reach 5-20 years depending on different working conditions. The guarantee time is 1 year after delivery.
Q: What documents are available?
A full range of documents including structural drawings, packing list, installation manual, and relative certificates can be provided. Moreover, customs declaration is provided. We provide a one-stop service for you. 
Q: Is it able to customize?
yes, we could re-design and produce the gear motor for your request if the total or plHangZhou quantity is enough.

Application: Motor, Machinery, Marine, Toy, Agricultural Machinery
Function: Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction
Layout: Coaxial
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Three-Step

worm gear

Are worm gears suitable for high-torque applications?

Worm gears are indeed well-suited for high-torque applications. Here’s a detailed explanation of why worm gears are suitable for high-torque applications:

Worm gears are known for their ability to provide significant speed reduction and torque multiplication. They consist of a threaded cylindrical gear, called the worm, and a toothed wheel, called the worm wheel or worm gear. The interaction between the worm and the worm wheel enables the transmission of motion and torque.

Here are the reasons why worm gears are suitable for high-torque applications:

  • High gear reduction ratio: Worm gears offer high gear reduction ratios, typically ranging from 20:1 to 300:1 or even higher. The large reduction ratio allows for a significant decrease in rotational speed while multiplying the torque output. This makes worm gears effective in applications that require high levels of torque.
  • Self-locking capability: Worm gears possess a unique self-locking property, which means they can hold position and prevent backdriving without the need for additional braking mechanisms. The angle of the worm thread creates a mechanical advantage that resists reverse rotation of the worm wheel, providing excellent self-locking characteristics. This self-locking capability makes worm gears ideal for applications where holding the load in place is crucial, such as in lifting and hoisting equipment.
  • Sturdy and robust design: Worm gears are typically constructed with durable materials, such as steel or bronze, which offer high strength and resistance to wear. This robust design enables them to handle heavy loads and transmit substantial torque without compromising their performance or longevity.
  • High shock-load resistance: Worm gears exhibit good resistance to shock loads, which are sudden or intermittent loads that exceed the normal operating conditions. The sliding contact between the worm and the worm wheel teeth allows for some degree of shock absorption, making worm gears suitable for applications that involve frequent or unexpected high-torque impacts.
  • Compact and space-efficient: Worm gears have a compact design, making them space-efficient and suitable for applications where size is a constraint. The compactness of worm gears allows for easy integration into machinery and equipment, even when there are spatial limitations.

It’s important to consider that while worm gears excel in high-torque applications, they may not be suitable for high-speed applications. The sliding contact between the worm and the worm wheel generates friction, which can lead to heat generation and reduced efficiency at high speeds. Therefore, worm gears are typically preferred in low to moderate speed applications where high torque output is required.

When selecting a worm gear for a high-torque application, it’s important to consider the specific torque requirements, operating conditions, and any additional factors such as speed, efficiency, and positional stability. Proper sizing, lubrication, and maintenance are also crucial to ensure optimal performance and longevity in high-torque applications.

worm gear

Can worm gears be used in automotive applications?

Yes, worm gears can be used in certain automotive applications. Here’s a detailed explanation of their use in the automotive industry:

1. Steering Systems: Worm gears are commonly used in automotive steering systems, particularly in older vehicles. They can provide the necessary torque and precision for steering control. The self-locking feature of worm gears is advantageous in steering applications as it helps maintain the desired steering position even when external forces are applied. However, it’s important to note that many modern vehicles have transitioned to other steering mechanisms such as rack and pinion for improved efficiency and performance.

2. Window Regulators: Worm gears can be found in power window regulator systems in some vehicles. They help convert rotational motion into linear motion, allowing for the smooth and controlled movement of windows. Worm gears in window regulators are often paired with a mechanical linkage system to distribute the motion to multiple windows.

3. Convertible Top Mechanisms: In convertible vehicles, worm gears can be utilized in the mechanisms that raise and lower the convertible top. The high torque capabilities of worm gears make them suitable for these applications, as they can effectively handle the load of the top and ensure smooth and reliable operation.

4. Accessory Drives: Worm gears can be employed in accessory drives within the automotive engine compartment. They can be used to transfer power from the engine to various accessories such as water pumps, fuel pumps, and air compressors. However, it’s important to note that other power transmission mechanisms such as belts and pulleys or gear drives are more commonly used in modern automotive accessory drive systems due to their higher efficiency and compact design.

5. Limited-Slip Differentials: Worm gears can be incorporated into limited-slip differentials in some automotive applications. Limited-slip differentials distribute torque between the wheels to improve traction and stability. Worm gears can provide the necessary torque multiplication and torque biasing capabilities required for limited-slip differentials.

While worm gears can be found in these automotive applications, it’s important to consider that other power transmission mechanisms such as spur gears, bevel gears, and belt drives are more commonly used in modern automotive designs. These alternatives often offer higher efficiency, compactness, and better performance characteristics for automotive applications. Additionally, advancements in technology and the pursuit of lightweight and efficient designs have led to the adoption of alternative power transmission systems in many automotive applications.

Overall, while worm gears have a place in certain automotive applications, their use is more limited compared to other power transmission mechanisms commonly employed in the automotive industry.

worm gear

What are the benefits of using a worm gear mechanism?

Using a worm gear mechanism offers several benefits in various applications. Here are some of the advantages:

  • High Gear Reduction: Worm gears provide high gear reduction ratios, allowing for significant speed reduction and torque multiplication. This makes them suitable for applications where a small input speed or high torque output is required.
  • Compact Design: Worm gears have a compact design, with the worm and worm wheel positioned at right angles to each other. This makes them space-efficient and suitable for applications where size and weight limitations exist.
  • Self-Locking: Worm gears exhibit a self-locking characteristic due to the angle of the worm’s helical thread. This means that the worm can drive the worm wheel, but the reverse is not true. The self-locking feature allows worm gears to hold position without additional braking mechanisms, making them suitable for applications that require mechanical holding or braking capabilities.
  • Quiet Operation: Worm gear mechanisms are known for their quiet operation. The helical nature of the worm’s thread and the meshing with the worm wheel teeth help reduce noise and vibration, resulting in smoother and quieter performance.
  • Shock Load Resistance: Worm gears are capable of handling moderate to high shock loads due to their inherent design. The sliding action between the worm and worm wheel allows the gear system to absorb and distribute sudden impacts and loads effectively.
  • Versatile Mounting Options: Worm gears can be mounted in various orientations, including horizontal, vertical, and inclined positions, providing flexibility in design and installation.
  • High Torque Transmission: The design of worm gears allows for efficient transmission of high torque. This makes them suitable for applications that require heavy-duty torque requirements, such as lifting mechanisms, conveyor systems, and machine tools.
  • Simple Lubrication: Worm gears typically require lubrication to reduce friction and wear. However, compared to some other gear types, worm gears have relatively simple lubrication requirements due to the sliding action between the worm and worm wheel. Proper lubrication helps extend the lifespan of the gear system and maintain its performance.

These benefits make worm gear mechanisms well-suited for a wide range of applications, including automotive systems, industrial machinery, elevators, robotics, and more. However, it’s important to consider the specific requirements and limitations of each application to ensure the optimal use of worm gears.

China wholesaler Helical Worm Geared Motor S47 with CE and CCC Certification wholesaler China wholesaler Helical Worm Geared Motor S47 with CE and CCC Certification wholesaler
editor by CX 2023-11-01