Cam slider on the material requirements more, first of all, there is a certain degree of bending fatigue strength and sufficient toughness, can withstand a certain twisting load, to ensure that the cam slider in the work after the force without obvious deformation. Secondly, the working surface, especially the cam surface, should have a higher roughness, medium strength and hardness, as well as better wear resistance, to avoid the cam slider in the course of work to produce wear, scratch, break and other serious defects. Then the material must have better wear performance and better machining performance during machining. Finally, the cam slider should have an accurate size, the shaft neck fraction of the material should have a medium bending strength and anti-twisting load and medium toughness and wear resistance. Comprehensive comparison of various materials such as strength, toughness, wear resistance, processing and economics
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