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| Principle and method of surface strengthening in shot peening |
| 2017/1/7 阅读次数：[2176] |
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The use of stress peening can get higher fatigue limit than ordinary blasting, the main application principle is to use a lot of high speed blow parts Pearl Pill surface, to the surface of chill layer and residual stress. The effect of shot peening is closely related with shot peening parameters, parts material and surface state. For the material with high strength, the stress concentration on the surface of the part, the surface roughness and the surface defects, the shot peening has a significant effect.
The effect of rolling strengthening is related to rolling parameters, material, size and shape. The rolling method can only be used in mechanical parts of simple shape, is the main way to strengthen the method of rolling on the surface of parts with hard steel sub quenching. The surface deformation and residual compressive stress can be produced by rolling, which can improve the precision of the parts and reduce the surface roughness.
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Application of Shot Peening in industry |
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Stone dust blasting machine, this is why? |
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