Heat treatment technology of 18Cr2Ni4WA workpieces
A workpiece and process technology, which is applied in the heat treatment process field of 18Cr2Ni4WA workpiece, can solve the problem that the heat treatment process of 18Cr2Ni4WA workpiece cannot meet the harsh service environment requirements of the cam, and achieve the effect of solving pitting failure, small deformation and reducing processing cost
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[0022] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.
[0023] The following is an example of a product part cam, its material is 18Cr2Ni4WA, the surface of the workpiece is a special-shaped surface, and the external dimension is Φ80×60, refer to figure 2 , the specific heat treatment steps are as follows:
[0024] 1) Quenching and tempering treatment: the purpose of this step is to improve the structure and obtain good chip performance. In addition, it can also refine the crystal grains and reduce the deformation of subsequent heat treatment. Due to the high content of alloy elements in 18Cr2Ni4WA steel, the composite effec...
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