Short Description:

This external spur gear was used in mining equipment . Material : 20MnCr5 ,with heat treat carburizing ,hardness 58-62HRC . Mining Equipment means machinery directly used for mineral mining and enrichment operations , Including mining machinery and beneficiation machinery .Cone crusher gears are one of them we supplied regularly .

Product Detail

Product Tags

The production process for this mining spur gears are as below :

1) Raw material

2) Forging

3) Pre-heating normalizing

4) Rough turning

5) Finish turning

6) Hobbing the teeth

7) Heat treat carburizing 58-62HRC

8) Shot blasting

9) OD and Bore grinding

10) Spur gear grinding

11) Cleaning

12) Marking

13) Package and warehouse

Production Process:

quenching & tempering
soft turning
heat treatment
hard turning

Manufacturing Plant :

Top ten enterprises in china ,equipped with 1200 staff ,obtained total 31 inventions and 9 patents .Advanced manufacturing equipment ,heat treat equipment ,inspection equipment .All processes from raw material to finish was done in house ,strong engineering team and quality team to meet and beyond customer’s requirement .

Manufacturing Plant

Cylindrical Gear
Gear Hobbing, Milling and Shaping Workshop
Turning Workshop
Grinding Workshop
belongear heat treat


We equipped with advanced inspection equipment like Brown & Sharpe three-coordinate measuring machine , Colin Begg P100/P65/P26 measurement center, German Marl cylindricity  instrument , Japan roughness tester , Optical Profiler , projector , length measuring machine etc. to make sure the final inspection accurately and completely .

cylindrical gear inspection


We will provide below reports also customer’s required reports before every shipping for customer to check and approve .

cylindrical gear (2)



Inner Package

Inner (2)

Inner Package



wooden package

Wooden Package

Our video show

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