China Good quality Carburized and Quenching/ Tempering/ Nitriding/ Carbonitriding/ Teeth Induction Hardening Bevel Gear/ Spur Gear/ Spiral Gear/Helical Gear for Agriculture bevel gear set

Product Description

Product Description

Spur Gear/ Helical Gear/ Straight Bevel Gear/ Spiral Bevel Gear/ Worm Gear
With more than 10yeas experience in the field of gear manufacturing, CHINAMFG can supply various kinds of gears, such like Spur Gear/ Helical Gear/ Straight Bevel Gear/ Spiral Bevel Gear/ Worm Gear. It’s equipped with CNC gear hobbing machines, CNC helical gear broaching machines, gear grinding machines and so on, and also equipped with testing equipment, such like gear profile measuring instrument, and hardness testing instrument. It has strong manufacturing ability and quality control ability, enable to supply good quality gears for customer.

Modulus M0.5-M12
Processing machine Forging, Machining, Hobbing teeth, Milling teeth, Shaving teeth, Grinding teeth….…
Material 20CrMnTi/ 20CrMnMo/ 42CrMo/ C45/ 40Cr/ SS304/Brass……
Heat treattment Carburizing and quenching/ Tempering/ Nitriding/ Carbonitriding/ Induction hardening
Hardness 58-62HRC
Qaulity standerd GB/ DIN/ JIS/ AGMA
Accuracy class 5-8 class

                      Spur gear                                                           Helical gear                                                        Spiral gear 

                       Bevel gear                                                  Internal gear ring                                  Small module gear made of brass


Equipped with CNC lathe, CNC hobbing teeth machines, CNC broaching teeth machines, CNC grinding teeth machines, Carburizing and Quenchin euqipments, Teeth profile measuring instruments……

                         Workshop                                                                                                     CNC grinding teeth machines   


                  CNC grinding teeth machine                                                                           CNC Hobbing teeth machine

                   Teeth profile measuring instrument                                                                       Carburizing and Quenching 




Q1: Are you trading company or manufacturer ?
A: We are factory.

Q2: How long is your delivery time and shipment?
1.Sample Lead-times: 10-20 days.
2.Production Lead-times: 30-45 days after order confirmed.

Q3: What is your advantages?
1. The most competitive price and good quality.
2. Perfect technical engineers give you the best support.
3. OEM is available.



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Application: Motor, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery
Hardness: Hardened Tooth Surface
Gear Position: External Gear
Manufacturing Method: Machining
Toothed Portion Shape: Spur Gear
Material: 42CrMo/20crmnti/C45/ 40cr
US$ 5/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

spiral gear

How do spiral gears contribute to reducing noise and vibration?

Spiral gears contribute significantly to reducing noise and vibration in gear systems. Their unique design and characteristics help minimize unwanted sound and vibrations. Here’s how spiral gears achieve noise and vibration reduction:

  • Gradual Tooth Engagement: Spiral gears have a helical tooth arrangement, which results in gradual tooth engagement as the gears mesh. Unlike spur gears with instantaneous full tooth contact, the helical teeth of spiral gears gradually come into contact, reducing the impact and shock during gear meshing. This gradual engagement helps to minimize noise and vibration.
  • Improved Contact Pattern: The helical tooth profile of spiral gears produces a favorable contact pattern between the teeth. The contact pattern is more evenly distributed across the tooth face compared to spur gears, which reduces stress concentration and potential noise generation. The improved contact pattern contributes to smoother and quieter gear operation.
  • Load Distribution: Spiral gears distribute the load over multiple teeth due to their helical shape. This load distribution helps to minimize localized stresses and reduces the risk of tooth breakage or pitting, which can contribute to noise and vibration. By spreading the load across a larger contact area, spiral gears ensure smoother and more stable gear operation.
  • Reduced Sliding Friction: The sliding friction between gear teeth can generate noise and vibration. Spiral gears, with their helical tooth profile, exhibit reduced sliding friction compared to spur gears. The sliding motion is distributed along the helical path, resulting in smoother tooth contact and reduced friction-induced noise and vibration.

Collectively, these factors—gradual tooth engagement, improved contact pattern, load distribution, and reduced sliding friction—contribute to the noise and vibration reduction achieved by spiral gears. This makes them particularly suitable for applications where quiet operation and minimal vibration are essential, such as precision machinery, automotive transmissions, and other noise-sensitive environments.

spiral gear

What are the limitations of using spiral gears in certain applications?

While spiral gears offer numerous advantages, they also have certain limitations that need to be considered when selecting them for specific applications. Here are some limitations of using spiral gears:

  • Axial Thrust: Spiral gears generate axial thrust due to their helical tooth arrangement. This axial thrust can impose additional forces on the gear shafts and bearings, requiring proper design considerations and potential incorporation of thrust bearings in certain applications. Managing and compensating for axial thrust is crucial to ensure smooth gear operation.
  • Manufacturing Complexity: The manufacturing process for spiral gears involves more complexity compared to straight-toothed gears. The helical tooth profile requires specialized cutting tools and machining techniques, adding to the manufacturing cost and complexity. This complexity may limit their use in applications with strict cost constraints or where simplicity of manufacturing is a priority.
  • Axial Space Requirement: Spiral gears require more axial space compared to parallel-axis gears. The helical tooth profile results in a longer gear face width, which can limit their use in applications with space constraints. It is important to ensure that sufficient axial space is available to accommodate the larger size of spiral gears.
  • Gear Alignment: Proper gear alignment is critical for spiral gears to function optimally. Any misalignment between the driving and driven gears can result in increased noise, vibration, and premature wear. Achieving and maintaining precise gear alignment may require additional attention and care during installation and regular maintenance.
  • Speed Limitations: Spiral gears may have certain speed limitations due to the potential for tooth deflection and increased heat generation. At high speeds, the centrifugal forces acting on the helical teeth can cause deflection, leading to reduced gear accuracy and increased noise. Additionally, the sliding contact between the teeth can result in higher heat generation, requiring appropriate lubrication and cooling measures in high-speed applications.

While these limitations exist, they can often be managed or mitigated through proper design, engineering, and maintenance practices. It is important to carefully evaluate the specific requirements and constraints of the application to determine whether spiral gears are suitable or if alternative gear types may be more appropriate.

spiral gear

Can you explain the advantages of using spiral gears over other gear types?

Spiral gears, also known as helical gears, offer several advantages over other gear types. These advantages stem from their unique design and characteristics. Here are some key advantages 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. The angled teeth allow for gradual contact, reducing impact and noise during gear meshing.
  • High Load Capacity: Spiral gears can handle higher loads compared to straight-cut gears. The helical tooth design distributes the load over multiple teeth, increasing the load-carrying capacity and providing improved strength. This makes spiral gears well-suited for applications that require the transmission of high torque or the handling of significant loads.
  • Efficient Power Transmission: Spiral gears exhibit higher efficiency compared to straight-cut gears. The helical tooth arrangement helps minimize sliding friction between the teeth, resulting in 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 need to be minimized.
  • Reduced Noise and Vibration: The gradual tooth engagement in spiral gears leads to reduced impact and vibration during gear meshing. This results in quieter operation, making spiral gears suitable for applications where noise reduction is important, such as in precision machinery or noise-sensitive environments.
  • 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 machinery and systems, providing flexibility in gear design and usage.

These advantages make spiral gears a preferred choice in many applications where smooth operation, high load capacity, efficient power transmission, reduced noise, and versatility are important considerations.

China Good quality Carburized and Quenching/ Tempering/ Nitriding/ Carbonitriding/ Teeth Induction Hardening Bevel Gear/ Spur Gear/ Spiral Gear/Helical Gear for Agriculture bevel gear setChina Good quality Carburized and Quenching/ Tempering/ Nitriding/ Carbonitriding/ Teeth Induction Hardening Bevel Gear/ Spur Gear/ Spiral Gear/Helical Gear for Agriculture bevel gear set
editor by Dream 2024-05-03


Spiral Gears

As one of the leading spiral gear manufacturers, suppliers, and exporters of mechanical products, We offer spiral gear and many other products.

Please contact us for details.

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