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Optimization and improvement of gear hub

After optimizing the process, the effective hardened layer depth of the tooth root is 1.4mm, as shown in Figure 1. The optimized and improved gear hub successfully passed the 1200 hour bench durability life test. 1) Optimization and improvement of drawings: technical requirements are added, and the hardened layer...

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Failure analysis of gear hub

It mainly analyzes the root causes from the aspects of part failure form, part design, material, processing, assembly, use and maintenance; 1. Failure mode According to the analysis of macroscopic fracture failure pictures (Fig. 1 ~ 6), the fracture is fatigue fracture, which originates from the spline root, and...

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