China Professional China Supplier High Torque Helical Gear Transmission Planetary Gearboxes differential gearbox

Product Description

China Supplier High Torque Helical Gear Transmission Planetary Gearboxes

Planetary gearbox is a kind of reducer with wide versatility. The inner gear adopts low carbon alloy steel carburizing quenching and grinding or nitriding process. Planetary gearbox has the characteristics of small structure size, large output torque, high speed ratio, high efficiency, safe and reliable performance, etc. The inner gear of the planetary gearbox can be divided into spur gear and helical gear. Customers can choose the right precision reducer according to the needs of the application.

Product Description

Description:
1.The output shaft is made of large size,large span double bearing design,output shaft and planetary arm bracket as a whole.The input shaft is placed directly on the planet arm bracket to ensure that the reducer has high operating accuracy and maximum torsional rigidity.
2.Shell and the inner ring gear used integrated design,quenching and tempering after the processing of the teeth so that it can achieve high torque,high precision,high wear resistance.Moreover surface nickel-plated anti-rust treatment,so that its corrosion resistance greatly enhanced.
3.The planetary gear transmission employs full needle roller without retainer to increase the contact surface,which greatly upgrades structural rigidity and service life.
4.The gear is made of Japanese imported material.After the metal cutting process,the vacuum carburizing heat treatment to 58-62HRC. And then by the hobbing,Get the best tooth shape,tooth direction,to ensure that the gear of high precision and good impact toughness.
5.Input shaft and sun gear integrated structure,in order to improve the operation accuracy of the reducer.
6.Ring gear processing technology: Using internal gear slotting machine and hobbing machine; the precision of ring gear after processing can reach .GB7.
Planetary reducer characteristic:
1.Quiet operation:helical gears contribute to reduce vibration and noise.
2.High precision:standard backlash is 3 arcmin,ideal for precision control.
3.High rigidity & torque:high rigidity&torque were used integral ball bearings.
4.Adapter-bushing connection:can be attached to any motor all over the world.
5.No grease leakage:perfect dissolution using high viscosity anti-separation grease.
6.Maintenance-free:no need to replace the grease for the life of the unit.can be attached in any position.

Specifications PX42 PX60 PX90 PX120 PX140 PX180
Technal Parameters
Max. Torque Nm 1.5times rated torque
Emergency Stop Torque Nm 2.5times rated torque
Max. Radial Load N 780 1530 3250 6700 9400 14500
Max. Axial Load N 390 630 1300 3000 4700 7250
Torsional Rigidity Nm/arcmin 2.5 6 12 23 47 130
Max.Input Speed rpm 8000 8000 8000 8000 6000 6000
Rated Input Speed rpm 4000 4000 3000 3000 3000 3000
Noise dB ≤56 ≤58 ≤60 ≤65 ≤68 ≤68
Average Life Time h 20000
Efficiency Of Full Load % L1≥95%       L2≥90%
Return Backlash P1 L1 arcmin / ≤3 ≤3 ≤3 ≤3 ≤3
L2 arcmin / ≤5 ≤5 ≤5 ≤5 ≤5
P2 L1 arcmin ≤5 ≤5 ≤5 ≤5 ≤5 ≤5
L2 arcmin ≤7 ≤7 ≤7 ≤7 ≤7 ≤7
Moment Of Inertia Table L1 3 Kg*cm2 / 0.16 0.61 3.25 9.21 28.98
4 Kg*cm2 0.03 0.14 0.48 2.74 7.54 23.67
5 Kg*cm2 0.03 0.13 0.47 2.71 7.42 23.29
7 Kg*cm2 0.03 0.13 0.45 2.62 7.14 22.48
8 Kg*cm2 0.03 0.13 0.45 2.6 / /
10 Kg*cm2 0.03 0.13 0.4 2.57 7.03 22.51
L2 12 Kg*cm2 / 0.13 0.45 0.45 2.63 7.3
15 Kg*cm2 / 0.13 0.45 0.45 2.63 7.3
20 Kg*cm2 0.03 0.13 0.45 0.45 2.63 7.3
25 Kg*cm2 0.03 0.13 0.45 0.4 2.63 7.3
28 Kg*cm2 0.03 0.13 0.45 0.45 2.43 7.1
30 Kg*cm2 / 0.13 0.45 0.45 2.43 6.92
35 Kg*cm2 0.03 0.13 0.4 0.4 2.43 7.1
40 Kg*cm2 0.03 0.13 0.45 0.45 2.43 6.92
50 Kg*cm2 0.03 0.13 0.4 0.4 2.39 6.92
70 Kg*cm2 0.03 0.13 0.4 0.4 2.39 6.72
100 Kg*cm2 0.03 0.13 0.4 0.4 2.39 6.72
Technical Parameter Level Ratio   PX42 PX60 PX90 PX120 PX140 PX180
Rated Torque L1 3 Nm / 40 105 165 360 880
4 Nm 17 45 130 230 480 880
5 Nm 15 45 130 230 480 1100
7 Nm 12 45 100 220 480 1100
8 Nm / 40 90 200 / /
10 Nm 10 30 75 175 360 770
L2 12 Nm / 40 105 165 440 880
15 Nm / 40 105 165 360 880
20 Nm 17 45 130 230 480 880
25 Nm 15 45 130 230 480 880
28 Nm 17 45 130 230 480 1100
30 Nm / 40 105 165 480 1100
35 Nm 10 30 130 230 480 1100
40 Nm 17 45 130 230 480 1100
50 Nm 15 45 130 230 480 1100
70 Nm 12 45 100 220 480 1100
100 Nm 10 30 75 175 360 770
Degree Of Protection   IP65
Operation Temprature ºC  – 10ºC to -90ºC
Weight L1 kg 0.5 1.25 3.75 8.5 16 28.5
L2 kg 0.8 1.75 5.1 12 21.5 40

Company Profile

Packaging & Shipping

1. Lead time: 7-10 working days as usual, 20 working days in busy season, it will be based on the detailed order quantity;
2. Delivery: DHL/ UPS/ FEDEX/ EMS/ TNT

FAQ

1. who are we?
Hefa Group is based in ZheJiang , China, start from 1998,has a 3 subsidiaries in total.The Main Products is planetary gearbox,timing belt pulley, helical gear,spur gear,gear rack,gear ring,chain wheel,hollow rotating platform,module,etc

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3. how to choose the suitable planetary gearbox?
First of all,we need you to be able to provide relevant parameters.If you have a motor drawing,it will let us recommend a suitable gearbox for you faster.If not,we hope you can provide the following motor parameters:output speed,output torque,voltage,current,ip,noise,operating conditions,motor size and power,etc

4. why should you buy from us not from other suppliers?
We are 22 years experiences manufacturer on making the gears, specializing in manufacturing all kinds of spur/bevel/helical gear, grinding gear, gear shaft, timing pulley, rack, planetary gear reducer, timing belt and such transmission gear parts

5. what services can we provide?
Accepted Delivery Terms: Fedex,DHL,UPS;
Accepted Payment Currency:USD,EUR,HKD,GBP,CNY;
Accepted Payment Type: T/T,L/C,PayPal,Western Union;
Language Spoken:English,Chinese,Japanese

Application: Industrial
Speed: Low Speed
Number of Stator: Single-Phase
Function: Driving
Casing Protection: Closed Type
Number of Poles: 2
Samples:
US$ 259/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

helical gearbox

Key Factors for Selecting a Helical Gearbox

Choosing the right helical gearbox for an application involves considering several key factors:

  • Load and Torque: Evaluate the maximum load and torque requirements to ensure the gearbox can handle the application’s demands.
  • Speed Range: Determine the required speed range and ensure the gearbox’s gear ratios can accommodate it.
  • Efficiency: Helical gearboxes are known for their high efficiency. Select a gearbox with efficiency ratings that meet your application’s needs.
  • Space Constraints: Consider the available installation space and choose a compact gearbox that fits within the available dimensions.
  • Mounting Position: The mounting position affects lubrication, cooling, and overall performance. Ensure the gearbox is suitable for the desired mounting orientation.
  • Service Life: Choose a gearbox with a service life that matches your application’s expected lifespan.
  • Backlash: Evaluate the allowable backlash, which affects precision and positioning accuracy.
  • Noise and Vibration: Assess the acceptable noise and vibration levels and choose a gearbox with suitable characteristics.
  • Environmental Conditions: Consider factors like temperature, humidity, and dust levels to ensure the gearbox can operate reliably in the application environment.
  • Maintenance: Factor in maintenance requirements and choose a gearbox with manageable maintenance needs.
  • Cost: Balance performance with budget constraints to find a gearbox that offers the best value for your application.

By carefully evaluating these factors, you can select a helical gearbox that optimally meets your application’s requirements and ensures efficient and reliable operation.

helical gearbox

Handling Shock Loads and Sudden Changes in Torque in Helical Gearboxes

Helical gearboxes are designed to handle a range of operational conditions, including shock loads and sudden changes in torque. The helical design of the gears, which have slanted teeth that engage gradually, helps to distribute forces more evenly across the teeth compared to straight-cut gears. This design characteristic contributes to the gearbox’s ability to withstand sudden changes in torque and shock loads.

The gradual engagement of the helical teeth results in smoother and quieter operation, reducing the impact of abrupt torque changes. The slanted teeth also allow for more gradual transmission of force, which helps in dampening vibrations and minimizing stress concentrations that can occur in high-impact situations.

However, while helical gears are better suited for shock loads compared to straight-cut gears, it’s important to note that extreme shock loads or sudden torque changes can still impact the gearbox’s components over time. Manufacturers often take factors such as application requirements, load profiles, and anticipated shock loads into consideration when designing helical gearboxes to ensure reliable and durable performance.

Additionally, using appropriate lubrication and maintenance practices can further enhance the gearbox’s ability to handle shock loads and sudden torque changes. Regular inspection and timely maintenance help identify and address potential issues before they lead to component failure.

helical gearbox

Helical Gear Meshing and Its Benefits

Helical gear meshing refers to the engagement of two helical gears with inclined teeth. The teeth are cut at an angle to the gear axis, creating a helix shape. When these gears mesh, the inclined teeth gradually come into contact, allowing for smoother and quieter operation compared to straight-toothed gears.

The benefits of helical gear meshing include:

  • Reduced Noise: The gradual contact between helical gear teeth minimizes impact and noise during engagement, resulting in quieter operation. This is particularly advantageous in applications where noise reduction is essential, such as industrial machinery and automotive transmissions.
  • Smooth Operation: Helical gears provide smoother and more continuous motion due to the gradual engagement of teeth. This feature makes them suitable for applications that require precise and controlled movement, such as CNC machines and conveyor systems.
  • Higher Load Capacity: The helical tooth geometry allows for greater tooth contact area, distributing the load over a larger surface. This results in higher load-carrying capacity and improved durability, making helical gears suitable for heavy-duty applications.
  • Efficient Power Transmission: Helical gears transmit power more efficiently due to their smooth engagement and increased contact area. This efficiency contributes to reduced energy consumption and heat generation in gearboxes.
  • Less Vibrations: The gradual meshing of helical gears reduces vibrations, resulting in smoother operation and reduced wear and tear on gear teeth and bearings. This is especially important for extending the lifespan of the gearbox.

Overall, helical gear meshing offers numerous benefits, including reduced noise, smoother operation, higher load capacity, efficient power transmission, and reduced vibrations. These advantages make helical gears a popular choice in various industrial applications where performance, durability, and reliability are crucial.

China Professional China Supplier High Torque Helical Gear Transmission Planetary Gearboxes   differential gearbox	China Professional China Supplier High Torque Helical Gear Transmission Planetary Gearboxes   differential gearbox
editor by CX 2023-10-23