China wholesaler Helical Spiral Drive OEM Custom Planetary Wheel Transmission Precision Gear gear patrol

Product Description

We can make all kinds of gears according to  drawing  ,specializing in non-standard items.

Surface: As your requirement

Material: Steel / aluminum / brass / iron / zinc / alloy

Any other material and dimension depends on customers’ demand.

Usage: Machinery / Motor

Euipment: CNC Machining machine

Testing equipment: Projector

Cerfificate:Industry Standards ISO 9001 RoHS SGS


Gears material Nylon+Glass Fiber,GF-ABS,POM,PP,PC,PA66,UHMW-PE,PPS, S45C,S50C,20Cr,40Cr,20CrMnT, 35SiMn,SUS304,Brass,Stell,etc.
Process CNC machining ,Gear Hobbing
Surface and Heat Treatment Electroplating; Blackening;  Phosphating;Galvanizing;Nickeling;Chroming;Zn-plating, Ni-plating, Cr-plating, Tin-plating, copper-plating, the wreath oxygen resin spraying,
the heat disposing, hot-dip galvanizing, black oxide coating, painting, powdering, color zinc-plated,
blue black zinc-plated, rust preventive oil, titanium alloy galvanized, silver plating, plastic, electroplating, anodizing etc
Testing equipment JE25 Projector;Projecting apparatus, Salt Spray Test, Durometer, and Coating thickness tester , 2D projector
Available Certificate RoHS, SGS, Material Certification;ISO9001
Lead time 10-15 working days as usual,It will based on the detailed order quantity.
Experience More Than 5 Years
Main Product Spur Gear  ,Helical Gear, Worm and wormwheel gear
Application Industry gears ;Electronic gear;Auto spare parts



Application: Auto and Motorcycle Accessory, Machinery Accessory, Motor
Standard: GB
Surface Treatment: Electroplating
Production Type: Mass Production
Machining Method: CNC Machining
Material: Nylon, Steel, Plastic, Brass, Alloy, Copper, Aluminum, Iron
US$ 5/Piece
1 Piece(Min.Order)

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Customized Request

spiral gear

Can spiral gears be used in automotive applications?

Yes, spiral gears can be used in automotive applications and provide several advantages in this context. Here’s why spiral gears are suitable for automotive applications:

  • Noise Reduction: Spiral gears offer significant noise reduction compared to other gear types, making them ideal for automotive applications that require quiet operation. The helical tooth arrangement minimizes gear meshing noise by providing gradual tooth engagement, reducing impact and vibration.
  • Smooth Operation: The gradual tooth engagement of spiral gears also contributes to smoother gear operation. This smoothness helps to improve shifting performance, leading to enhanced driving comfort and reduced wear on transmission components.
  • High Load Capacity: Spiral gears have a high load-carrying capacity, which is important in automotive applications where gears are subjected to varying loads. They can handle the torque requirements of transmissions and differential systems effectively.
  • Efficient Power Transmission: Spiral gears offer efficient power transmission due to their helical tooth profile. This efficiency helps optimize fuel consumption and overall vehicle performance. By reducing energy losses through improved tooth contact and reduced sliding friction, spiral gears contribute to better power transfer.
  • Durability and Reliability: Automotive applications demand gears that can withstand continuous use and provide long-term reliability. Spiral gears are known for their durability, thanks to load distribution and reduced stress concentration. They can maintain reliable performance even under challenging conditions.
  • Axial Thrust Compensation: Spiral gears can be designed with opposite helix angles to cancel out axial thrust. This feature is particularly beneficial in automotive applications where minimizing axial forces is crucial. It simplifies gear design and reduces the need for additional components, enhancing space efficiency.

Considering their noise reduction capabilities, smooth operation, high load capacity, efficient power transmission, durability, and axial thrust compensation, spiral gears are well-suited for various automotive applications. They are commonly used in transmissions, differentials, and other drivetrain components to ensure reliable and efficient power transfer, contributing to overall vehicle performance and comfort.

spiral gear

How do you calculate the gear ratio in a spiral gear system?

The gear ratio in a spiral gear system can be calculated by comparing the number of teeth on the driving gear (pinion) to the number of teeth on the driven gear (gear). The gear ratio represents the ratio of the angular velocity (speed) of the driving gear to the angular velocity of the driven gear. Here’s the formula to calculate the gear ratio:

Gear Ratio = Number of Teeth on Driven Gear / Number of Teeth on Driving Gear

For example, consider a spiral gear system where the driving gear (pinion) has 20 teeth, and the driven gear (gear) has 40 teeth. The gear ratio can be calculated as follows:

Gear Ratio = 40 / 20 = 2

In this example, the gear ratio is 2, which means the driven gear will rotate at half the speed of the driving gear. This calculation assumes that the gears have the same module (gear size) and that there are no additional gear stages in the system.

It’s important to note that the gear ratio determines the speed and torque relationship between the driving and driven gears. A gear ratio greater than 1 (e.g., 2, 3, etc.) indicates a reduction in speed and an increase in torque, while a gear ratio less than 1 (e.g., 0.5, 0.75, etc.) indicates an increase in speed and a reduction in torque.

When working with spiral gears, it’s essential to consider the helix angle and axial thrust in addition to the gear ratio to ensure proper gear design and performance.

spiral gear

What is the purpose of using spiral gears in mechanical systems?

Spiral gears, also known as helical gears, serve several important purposes in mechanical systems. Their unique design and characteristics make them suitable for various applications. Here are some key purposes of using spiral gears:

  • Smooth and Quiet Operation: The helical tooth arrangement in spiral gears enables gradual tooth engagement, resulting in smoother and quieter operation compared to straight-cut gears. This makes them ideal for applications where noise reduction and smooth motion are essential.
  • High Load Capacity: Spiral gears can handle higher loads due to the helical tooth design. The load is distributed over multiple teeth, allowing for increased load-carrying capacity and improved strength. This makes spiral gears well-suited for heavy-duty applications that require the transmission of high torque or the handling of significant loads.
  • Efficient Power Transmission: The helical tooth arrangement in spiral gears helps minimize sliding friction between the teeth. As a result, spiral gears exhibit higher efficiency compared to straight-cut gears, as there are reduced power losses due to friction during gear operation. This efficiency is crucial in applications where power transmission needs to be optimized and energy losses minimized.
  • Axial Thrust Compensation: Spiral gears can be designed with opposite helix angles on mating gears, which helps cancel out the axial thrust generated during gear meshing. This feature eliminates the need for additional thrust bearings, simplifying the gear design and reducing complexity.
  • Versatility and Adaptability: Spiral gears can be manufactured in various configurations, including spur, helical, and double helical designs. This versatility allows for their application in a wide range of mechanical systems, including gearboxes, automotive differentials, machine tools, and industrial machinery. Their adaptability and compatibility with different gear types make them valuable components in various applications.

The purpose of using spiral gears in mechanical systems is to achieve smooth, efficient, and reliable motion transmission while handling high loads and providing noise reduction. Their unique design features make them a preferred choice in many applications where these characteristics are essential.

China wholesaler Helical Spiral Drive OEM Custom Planetary Wheel Transmission Precision Gear gear patrolChina wholesaler Helical Spiral Drive OEM Custom Planetary Wheel Transmission Precision Gear gear patrol
editor by CX 2023-09-12