China Hot selling Chinese Low Cost High Quality Manufacturer Standard or Custom Auto Helical Gear Spiral Bevel Gears manufacturer

Product Description

Chinese Low Cost High Quality Manufacturer Standard or Custom Auto Helical Gear Spiral Bevel Gears

Product Name Spur gear/bevel gear/helical gear/worm gear Place of origin China
Brand Mighty  Material Steel ,Stainless Steel , Plastic, Alumiunm
Bore Type Pilot Bore,finished bore with keyway Surface treatment Blacking/Polished


Spur gears customized brass gears

1. Material: carbon steel such as C45, 20CrMnTi, 40Cr, 42CrMo or stain less steel or copper or nylon.

2. Heat treatment: Hardening and Tempering, high frequency quenching, carburizing quenching and so on.

3. Standard: European or American standard.

4. We can make all kinds of gears according to clients drawing and specifications, specializing in non-

    standard items.

5. Good  quanlity with reasonable price, timely delivery and great customer service.

6. A professinal on drawing analysis, meeting discussing, program auditing, PC&QC.

Mod.:  M1, M1.5, M2, M3, M4, M5, M6, M8, M10, M12, M16, M20.

Pressure angle: 20°

Bores: Stock bore, solid hubs, finished bore, taper bore, QD bore.

Material: SC45, S235, Brass.

Surface treatment: Black oxide, Zinc platiing, Oil.

Z Mod.1 Mod.1.5 Mod.2 Mod.2.5
de dp dm D1 de dp dm D1 de dp dm D1 de dp dm D1
12 14 12 9 6 21 18 14 8 28 24 18 10 35 30 22 10
13 15 13 10 6 22.5 19.5 15 8 30 26 20 10 37.5 32.5 25 10
14 16 14 11 6 24 21 17 8 32 28 22 10 40 35 28 10
15 17 15 12 6 25.5 22.5 18 8 34 30 24 10 42.5 37.5 30 10
16 18 16 13 6 27 24 19 8 36 32 25 10 45.5 40 32 12
17 19 17 14 6 28.5 25.5 20 8 38 34 25 10 47.5 42.5 35 12


Mainly used in the mining, metallurgical, cement, chemicals, construction, building materials, elactric power, telecommunications, textiles, and transportation departments.

Such as:

1. Conveyor: Belt conveyor, AFC conveyor, chain conveyor, screw conveyor.

2. Pum: water pump, oil pump, slush pump, etc.

3. Fan: Draft fan, fanner, boil fan, etc.

4. Excavtor: blender equipment, bucket wheel excavators, bucket wheel stacker reclaimer.

5. Crane: Tower crane, gantry rane, bridge crane.


1) Competitive price and good quality

2) Used for transmission systems.

3) Excellent performance, long using life

4) Could be  developed according to your drawings or data sheet

5) Pakaging:follow the customers’ requirements or as our usual package

6) Brand name: per every customer’s requirement.

7) Flexible minimum order quantity

8) Sample can be supplied


1) Timing Belt Pulley (Synchronous Pulley), Timing Bar, Clamping Plate;

2) Forging, Casting, Stampling Part;

3) V Belt Pulley and Taper Lock Bush; Sprocket, Idler and Plate Wheel;Spur Gear, Bevel Gear, Rack; 

4) Shaft Locking Device: could be alternative for Ringfeder, Sati, Chiaravalli, Tollok, etc.;

5) Shaft Coupling:including Miniature couplings, Curved tooth coupling, Chain coupling, HRC coupling,              Normex coupling, Type coupling, GE Coupling, torque limiter, Universal Joint; 

6) Shaft Collars: including Setscrew Type, Single Split and Double Splits;

7) Timing Belt: including Rubber and PU timing belts for industrial;

8) Other customized Machining Parts according to drawings (OEM).

Company Information
ZheJiang Mighty Machinery Co., Ltd. specializes in manufacturing Mechanical Power Transmission Products.
We Mighty is the division/branch of SCMC Group, which is a wholly state-owned company, established in 1980.
About Mighty:
-3 manufacturing factories, we have 5 technical staff, our FTY have strong capacity for design and process design, and more than
70 workers and double shift eveyday.
-Large quality of various material purchase and stock in warhouse which ensure the low cost for the material and production in
-Strick quality control are apply in the whole prodution. we have incoming inspection,process inspection and final production
inspection which can ensure the perfect of the goods quality.
-14 years of machining experience. Long time cooperate with the Global Buyer, make us easy to understand the csutomer and handle the export.
MIGHTY’s products are mainly exported to Europe, America and the Middle East market. With the top-ranking management, professional technical support and abundant export experience, MIGHTY has established lasting and stable business partnership with many world famous companies and has got good reputation from CHINAMFG customers in international sales.

Q: Are you trading company or manufacturer ?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment=10000USD, 30% T/T in advance ,balance before shippment

We warmly welcome friends from domestic and abroad come to us for business negotiation and cooperation for mutual benefit.To supply customers excellent quality products with good price and punctual delivery time is our responsibility.

Application: Motor, Machinery, Agricultural Machinery
Hardness: Hardened Tooth Surface
Manufacturing Method: Sintered Gear
Surface Treatment: Hardening Teeth/Blacking/Zinc
Size: Standard & Non-Standard
Teeth Number: 65
US$ 1/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

spiral gear

How do spiral gears handle changes in direction and torque transmission?

Spiral gears are well-suited to handle changes in direction and torque transmission due to their unique design and characteristics. Here’s how spiral gears handle these aspects:

  • Smooth Direction Changes: Spiral gears excel at transmitting power smoothly even during changes in direction. The helical tooth arrangement allows for gradual tooth engagement and disengagement as the gears rotate. This gradual engagement minimizes the impact and shock typically associated with sudden direction changes in gear systems. As a result, spiral gears provide smoother and more reliable power transmission during both forward and reverse rotations.
  • Torque Transmission: Spiral gears are capable of transmitting high torque loads. The helical tooth profile and increased tooth contact area allow for efficient torque transfer between the driving and driven gears. The load distribution across multiple teeth helps to minimize stress concentration and maximize the gear’s torque-carrying capacity. This makes spiral gears suitable for applications requiring high torque transmission, such as heavy machinery and industrial equipment.
  • Axial Thrust Compensation: Spiral gears can be designed with opposite helix angles on mating gears, resulting in axial thrust cancellation. This feature is particularly beneficial when dealing with bidirectional torque transmission. By canceling out the axial thrust, spiral gears can operate with reduced axial forces, ensuring smoother gear operation and minimizing the need for additional thrust bearings or complicated gear arrangements.
  • Load Sharing: Spiral gears naturally distribute the load across multiple teeth due to their helical tooth arrangement. This load sharing capability helps to minimize tooth wear and fatigue, ensuring long-term durability and reliability, especially when subjected to varying torque conditions. By distributing the load, spiral gears can handle torque variations more effectively and maintain uniform tooth contact, resulting in improved performance and extended gear life.

These characteristics of spiral gears—smooth direction changes, efficient torque transmission, axial thrust compensation, and load sharing—make them highly suitable for applications that require reliable and precise power transmission in both directions. Spiral gears are commonly used in various industries, including automotive, aerospace, and heavy machinery, where the ability to handle changes in direction and torque is crucial.

spiral gear

What is the impact of helix angle on spiral gear performance?

The helix angle plays a crucial role in determining the performance characteristics of spiral gears. It affects various aspects of gear operation and functionality. Here’s the impact of the helix angle on spiral gear performance:

  • Load-Carrying Capacity: The helix angle influences the load-carrying capacity of spiral gears. A larger helix angle results in a more pronounced helical shape of the teeth, providing a larger contact area between the gears. This increased contact area allows spiral gears to distribute the load over more teeth, thereby increasing their load-carrying capacity. Gears with larger helix angles can handle higher loads and transmit more torque.
  • Smoothness of Operation: The helix angle significantly affects the smoothness of gear operation. A larger helix angle leads to a more gradual tooth engagement as the gears mesh. This gradual engagement reduces impact and vibration during gear meshing, resulting in smoother operation and reduced noise levels. Spiral gears with larger helix angles are known for their quiet operation and enhanced gear meshing characteristics.
  • Efficiency and Power Transmission: The helix angle also influences the efficiency of power transmission in spiral gears. A larger helix angle reduces sliding friction between the teeth during meshing. This reduction in friction results in improved power transmission efficiency and reduced energy losses. Gears with larger helix angles are more efficient in transmitting power, making them suitable for applications where power efficiency is a critical factor.
  • Axial Thrust and Thrust Load: The helix angle affects the axial thrust and thrust load in spiral gears. Axial thrust is the force generated in the axial direction due to the helical tooth arrangement. A larger helix angle produces a higher axial thrust, while a smaller angle generates a lower axial thrust. The axial thrust must be considered and managed in gear design to ensure proper gear support and minimize the need for additional thrust bearings.
  • Contact Pattern and Gear Meshing: The helix angle influences the contact pattern between the teeth during gear meshing. A larger helix angle shifts the contact pattern across the tooth face, allowing for more even distribution of the load and reduced stress concentration. The contact pattern also affects the gear meshing characteristics, such as tooth wear and noise generation. Proper selection of the helix angle ensures optimal contact pattern and improved gear meshing performance.

The choice of helix angle in spiral gears depends on the specific application requirements, including load capacity, smoothness of operation, power transmission efficiency, and axial thrust considerations. By selecting an appropriate helix angle, engineers can optimize spiral gear performance for different applications, ensuring reliable and efficient gear operation.

spiral gear

Can you describe the unique tooth profile of spiral gears?

The unique tooth profile of spiral gears, also known as helical gears, sets them apart from other gear types. Here is a description of the key characteristics of the tooth profile:

  • Helical Shape: The teeth of spiral gears are helically shaped, meaning they have a curved or slanted form. This helical shape is a result of the helix angle, which is the angle between the tooth surface and the gear axis. The helical shape allows for gradual tooth engagement and smooth gear operation.
  • Curved Tooth Surface: The tooth surface of spiral gears is curved or oblique due to the helical shape. This curved profile enables the teeth to engage gradually and smoothly as the gears rotate, reducing impact and noise during gear meshing.
  • Lead: The lead of a spiral gear refers to the distance the gear advances axially in one complete revolution. The lead is determined by the helix angle and the number of teeth on the gear. The lead affects the contact pattern and gear meshing characteristics.
  • Contact Pattern: When spiral gears mesh, the contact pattern between the teeth changes as the gears rotate. Initially, the contact starts near the smaller end of the tooth and gradually moves across the tooth face as the gears rotate. This shifting contact pattern helps distribute the load over multiple teeth and reduces localized stresses.
  • Helix Angle: The helix angle is the angle between the tooth surface and the gear axis. It determines the amount of helical shape in the tooth profile. A larger helix angle results in a more pronounced helical shape, while a smaller angle produces a shallower helix. The helix angle affects the load-carrying capacity, smoothness of operation, and axial thrust characteristics of the spiral gears.

These unique characteristics of the tooth profile in spiral gears, such as the helical shape, curved tooth surface, lead, contact pattern, and helix angle, contribute to their smooth operation, efficient power transmission, and ability to handle high loads. The tooth profile design of spiral gears is crucial in achieving reliable and effective gear meshing in various mechanical systems and applications.

China Hot selling Chinese Low Cost High Quality Manufacturer Standard or Custom Auto Helical Gear Spiral Bevel Gears manufacturer China Hot selling Chinese Low Cost High Quality Manufacturer Standard or Custom Auto Helical Gear Spiral Bevel Gears manufacturer
editor by CX 2023-09-18


spiral gear

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

Please contact us for details.

Mail:[email protected]

Manufacturer supplier exporter of spiral gear.

Recent Posts