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China factory - Henan Yizhi Machinery Co., Ltd

Henan Yizhi Machinery Co., Ltd

  • China,Zhengzhou
  • Verified Supplier

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China Transmission Gear Internal Spur Gear ISO 8 Grade with Gear Shapping
China Transmission Gear Internal Spur Gear ISO 8 Grade with Gear Shapping

  1. China Transmission Gear Internal Spur Gear ISO 8 Grade with Gear Shapping

Transmission Gear Internal Spur Gear ISO 8 Grade with Gear Shapping

  1. MOQ: 2 Sets
  2. Price:
  3. Get Latest Price
Payment Terms L/C, T/T
Supply Ability 500 Sets/Month
Delivery Time 35 Days
Packaging Details Plywood Crate
Gear Profile Internal Gear
Pressure Angle 20 degrees
Helix Angle 0 degrees
Application Internal Gearbox
Manufacture Gear Shapping
Production Time 35 Days
Brand Name YIZGEAR
Place of Origin CHINA

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms L/C, T/T Supply Ability 500 Sets/Month
Delivery Time 35 Days Packaging Details Plywood Crate
Gear Profile Internal Gear Pressure Angle 20 degrees
Helix Angle 0 degrees Application Internal Gearbox
Manufacture Gear Shapping Production Time 35 Days
Brand Name YIZGEAR Place of Origin CHINA
High Light ISO 8 grade internal spur geargear shapping transmission gearinternal spur gear with warranty

1) Description of Internal Spur Gear

From a transmission perspective, internal spur gears constitute highly efficient transmission components capable of achieving simultaneous engagement of multiple teeth and possessing robust load-bearing capacity. By enclosing the meshing region within the gear's interior, they optimise the force transmission pathway.

2) Working Principle

During meshing, the contact line of internal gear pairs is longer, whilst the number of tooth pairs engaged is typically greater than in external meshing. When force is transmitted from the pinion to the ring gear, the direction of the applied force is more conducive to reducing the radial load on the bearings, thereby minimising friction losses.

3) Characteristics of Internal Spur Gear

  • Multiple-tooth meshing: Due to their curvature relationship, the overlap ratio is typically high, resulting in smoother transmission.
  • Enclosed power flow: The transmission force circulates internally, providing superior structural rigidity.
  • High machining precision requirements: The machining and inspection of internal gears are more challenging than external gears, necessitating broaching, hobbing, or specialised machining equipment.

4) Advantages of Internal Spur Gear

  • High transmission efficiency: Thanks to low slip rates and multiple-tooth meshing, efficiency is typically superior to that of externally meshed gears of equivalent specifications.
  • High load capacity: Extended contact lines and load distribution across multiple teeth enable transmission of greater torque.
  • Smooth operation and low noise: High overlap reduces impact and vibration.
  • Reduced radial forces: Improved bearing load conditions extend bearing service life.

5) Application

Suitable for applications demanding high transmission efficiency, smooth operation and load-bearing capacity:

  • High-speed transmission systems: Such as speed-increasing units for gas turbines and centrifugal compressors.
  • High-torque power-split mechanisms: Serving as core transmission components within power-split systems for heavy machinery.
  • High-precision servo systems: Requiring precision gearboxes with low backlash and high rigidity.
Technical Specifications
Parameter Specification
Custom Made Available
Gear Profile Type Cylindrical Gear
Manufacturing Process Gear Milling & Gear Teeth Hobbing
Teeth Grinding Included
Module (M) 0.5-25
Number of Teeth (Z) 58
Pressure Angle (α) 20°
Lead Angle
Accuracy Grade ISO 8-9 Grade
Heat Treatment Nitriding
Surface Hardness 650HV
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  

4 Module Internal Tooth Annular Gears For Slewing Bearing 0

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Exporter

  • Year Established:

    2016

  • Total Annual:

    1.0 Million-1.5 Millon

  • Employee Number:

    50~200

  • Ecer Certification:

    Verified Supplier

YIZHI MACHINERY which is equipped with a full range of machining capabilities to satisfy customer needs. Our team has extensive experience in precision gearing systems for numerous industries. We have supplied gears for mining equipment, power tools, hydraulic pumps and the rail transit industry.... YIZHI MACHINERY which is equipped with a full range of machining capabilities to satisfy customer needs. Our team has extensive experience in precision gearing systems for numerous industries. We have supplied gears for mining equipment, power tools, hydraulic pumps and the rail transit industry....

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Get in touch with us

  • Reach Us
  • Henan Yizhi Machinery Co., Ltd
  • Taihong 19# South SongShan Road, Erqi Distict, Zhengzhou, China.
  • https://www.transmissions-gears.com/

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