can be calculated by the finite element method of stress magnitude different speeds to simulate the failure process and improve the design.
2013年8月30日星期五
Less common machining method directly affects the workpiece
Grinding process complicated than other cutting process, abrasive cutting process, including swipe, plowing, cutting three states. Diamond grinding wheel grinding process by the spark cut,
stable grinding and grinding to spark clear three stages. The elastic tool & cutter of the grinding process and the plastic deformation is large, the other rare cutting method directly affect the dimensional accuracy of the workpiece,
Cutting wheel grinding heat, surface quality and grinding efficiency. Use must understand the elastic region into a plastic zone and the plastic zone into the cutting area critical condition. Compared with the general grinding saw , machining, the generally tangential force greater than the normal force, and is characterized by a method of grinding force tangential force of approximately 24 times the stiffness of their impact grinding is large. Grinding force by the cutting force and friction of two parts. Coarse grinding to cutting force main, fine grinding places friction based.
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