China Professional Large Spiral Bevel Gear for Crusher, Mining Equipment spurs gear

Product Description

1.Product Description
2.1.Spiral Bevel Gear Processing

Grinded Spiral Bevel Gear drawing CHECK, Make casting Mold, Forging Mold Quality Inspection Check, Machine Processing, Check Size\Hardness\Surface Finish and other technical parameters on drawing. 
2.2. Bevel Gear Package
Spray anti-rust oil on Casting bevel pinion, Wrap waterproof cloth around Gear Shaft for reducer, Prepare package by shaft shape&weight to choose steel frame, steel support or wooden box etc.
2.3. OEM Customized Spiral Bevel Pinion
We supply OEM SERVICE, customized Bevel gear with big module, more than 100kg big weight, more than 1m diameter, 42CrMo/35CrMo or your specified required material  Bevel gear pinion. 

2.Product Technical info.

Module m Range: 5~70
Gear Teeth Number z OEM by drawing’s technical parameters
Teeth Height H OEM by drawing’s technical parameters
Teeth Thickness S OEM by drawing’s technical parameters
Tooth pitch P OEM by drawing’s technical parameters
Tooth addendum Ha OEM by drawing’s technical parameters
Tooth dedendum Hf OEM by drawing’s technical parameters
Working height h’ OEM by drawing’s technical parameters
Bottom clearance C OEM by drawing’s technical parameters
Pressure Angle α OEM by drawing’s technical parameters
Helix Angle,    OEM by drawing’s technical parameters
Surface hardness HRC Range: HRC 50~HRC63(Quenching)
Hardness: HB Range: HB150~HB280; Hardening Tempering/ Hardened Tooth Surface 
Surface finish   Range: Ra1.6~Ra3.2
Tooth surface roughness Ra Range: ≥0.4
Gear Accuracy Grade   Grade Range: 5-6-7-8-9 (ISO 1328)
Diameter D Range: 1m~16m
Weight Kg Range: Min. 100kg~Max. 80tons Single Piece
Gear Position   Internal/External Gear
Toothed Portion Shape   Spur Gear/Bevel/Spiral/Helical/Straight
Shaft shape   Herringbone Gear Shaft / Gear Shaft / Eccentric Shaft / Spur Gear / Girth Gear / Gear Wheel
Material Forging/
Casting
Forging/ Casting 45/42CrMo/40Cr or OEM
Manufacturing Method   Cut Gear
Gear Teeth Milling  
Gear Teeth Grinding  
Heat Treatment   Quenching /Carburizing
Sand Blasting   Null
Testing   UT\MT
Trademark   TOTEM/OEM
Application   Gearbox, Reducer,
Petroleum,Cement,Mining,Metallurgy etc.
Wind driven generator,vertical mill reducer,oil rig helical gear,petroleum slurry pump gear shaft
Transport Package   Export package (wooden box, steel frame etc.)
Origin   China
HS Code   8483409000

Material Comparison List

 STEEL CODE GRADES COMPARISON
CHINA/GB ISO ГΟСТ ASTM JIS DIN
45 C45E4 45 1045 S45C CK45
40Cr 41Cr4 40X 5140 SCr440 41Cr4
20CrMo 18CrMo4 20ХМ 4118 SCM22 25CrMo4
42CrMo 42CrMo4 38XM 4140 SCM440 42CrMo4
20CrMnTi   18XГT   SMK22  
20Cr2Ni4   20X2H4A      
20CrNiMo 20CrNiMo2 20XHM 8720 SNCM220 21NiCrMo2
40CrNiMoA   40XH2MA/
40XHMA
4340 SNCM439 40NiCrMo6/
36NiCrMo4
20CrNi2Mo 20NiCrMo7 20XH2MA 4320 SNCM420  

3.Totem Service

CHINAMFG Machinery focus on supplying GEAR SHAFT, ECCENTRIC SHAFT, HERRINGBONE GEAR, BEVEL GEAR, INTERNAL GEAR and other parts for transmission devices & equipments(large industrial reducers & drivers). Which were mainly used in the fields of port facilities, cement, mining, metallurgical industry etc. We invested in several machine processing factories,forging factories and casting factories,relies on these strong reliable and high-quality supplier network, to let our customers worry free. 

TOTEM Philosophy: Quality-No.1, Integrity- No.1, Service- No.1 

24hrs Salesman on-line, guarantee quick and positive feedback. Experienced and Professional Forwarder Guarantee Log. transportation.

4.About TOTEM

1. Workshop & Processing Strength

2. Testing Facilities

3. Customer Inspection & Shipping

5. Contact Us

ZheJiang CHINAMFG Machinery Co.,Ltd
 
Facebook: ZheJiang Totem

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Application: Motor, Motorcycle, Machinery, Marine, Cement
Hardness: Hardened Tooth Surface
Gear Position: Internal/External
Manufacturing Method: Cast Gear
Toothed Portion Shape: Bevel Wheel
Material: Cast Steel
Customization:
Available

|

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 are the benefits of using spiral gears in high-torque applications?

Spiral gears, also known as helical gears, offer several benefits when used in high-torque applications. These advantages make them well-suited for transmitting large amounts of torque efficiently and reliably. Here are the key benefits of using spiral gears in high-torque applications:

  • High Load Capacity: Spiral gears are designed to handle high loads and transmit significant amounts of torque. The helical tooth arrangement allows for load distribution across multiple teeth, reducing stress concentration on individual teeth. This design feature enables spiral gears to withstand the heavy forces encountered in high-torque applications.
  • Smooth and Efficient Power Transmission: The helical shape of the teeth in spiral gears enables smooth and continuous contact between the mating gears. This gradual tooth engagement results in reduced impact and vibration during gear meshing. Additionally, the helical tooth profile minimizes sliding friction, leading to efficient power transmission and reduced energy losses, which is particularly important in high-torque applications where power efficiency is crucial.
  • Reduced Noise and Vibration: The gradual tooth engagement and improved contact pattern in spiral gears contribute to reduced noise and vibration during operation. The helical tooth arrangement helps to distribute the load more evenly, minimizing dynamic forces and resulting in quieter gear operation. This is especially beneficial in high-torque applications where noise reduction is desired, such as 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 is particularly advantageous in high-torque applications where managing axial forces is critical. By eliminating or reducing the axial thrust, spiral gears simplify the gear design and reduce the need for additional components, such as thrust bearings.
  • Reliability and Durability: The robust design of spiral gears, combined with their ability to handle high loads and transmit torque efficiently, contributes to their overall reliability and durability in high-torque applications. The gradual tooth engagement, load distribution, and reduced friction help minimize wear and extend the service life of the gears, ensuring long-term performance under demanding conditions.

These benefits make spiral gears an excellent choice for high-torque applications where reliable and efficient power transmission, smooth operation, reduced noise, and durability are essential requirements.

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 Professional Large Spiral Bevel Gear for Crusher, Mining Equipment spurs gearChina Professional Large Spiral Bevel Gear for Crusher, Mining Equipment spurs gear
editor by CX 2024-04-16

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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.

Manufacturer supplier exporter of spiral gear.

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