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Bending Strength Calculation of Heavy Duty Gear Rack Root

For the calculation of heavy load large module gear and rack drive, there are many literature research calculation methods, some use integral method, some use mapping function method. In the calculation method of gear root bending stress, the bending section is more accurate than the tooth root stress calculated...

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Tooth profile design of heavy-duty gear rack

The gear rack with large module and heavy load is not suitable for the conventional hobbing and slotting processing method. For small gears, the milling process is usually designed according to the tooth profile, and for racks, CNC cutting or casting is adopted according to the tooth profile. In...

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Application effect of heavy gear of shearer rocker arm

In order to verify the actual effect of domestic R&D and manufacturing of heavy gears, Shendong Coal Group Co., Ltd. selected the left rocker arm of 6C/LWS636 shearer and installed the corresponding domestic parts, and the right rocker arm is an imported heavy gear. Both of them went down...

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Quality control of heavy gear of shearer rocker arm

The whole process of heavy gear processing shall strictly control the quality and make tracking records, and must be tested and inspected after completion. Relevant standardsT: (1) The surface hardness of gear teeth reaches HRC 59 ~ 62 or HV 670 ~ 750; (2) Metallographic examination The carburized layer...

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