gear manufacturing

The loosening of the valve clamping part adopts the gear ring transmission mode. The gear ring transmission ratio is constant, […]

By coupling the strength design of gear based on EHL central stress fitting formula and the gear lubrication design based […]

Based on D-H formula, Dowson D and Higginson GR proposed the minimum oil film thickness formula of EHL in line […]

The root crack will directly change the effective cross-sectional area and moment of inertia of the simplified cantilever model of […]

Gear pair is the core component of gear transmission system, and time-varying meshing stiffness is the main excitation source of […]

In view of the distortion caused by various factors, such as the release of processing stress, the different time and […]

Generally, the heat treatment distortion of the controlled workpiece is focused on “quenching distortion”. The reason is that the quenching […]

1. Statistics of distortion data The distortion of batch gear production has statistical characteristics. In the mass production of gears, […]

The low life of the bevel gear of automobile rear axle in China is always a big problem. There are […]

1. Test to limit the effect of steel hardenability on distortion 1) Sample The test adopts two sizes of disk-shaped […]

The metallurgical factors of steel, such as grain size, non-metallic inclusions, banded structure, hardenability, etc., have an impact on the […]

It is the basic principle and method to reduce the distortion of workpiece to make the structure and quality of […]

During quenching and cooling, the workpiece will generate volume expansion and large thermal stress and structural stress. If the volume […]