Abstract
By 3D finite element simulation for temperature field and tool wear of SiCp/Al metal matrix composites under the condition of high speed milling, we draw a conclusion that the most significant influence on cutting temperature is cutting speed, less is feed rates, the minimum is cutting depth, which is exactly the same as the influence law of ordinary metal cutting. In the course of high-speed milling SiCp/Al by PCD tools, the higher the cutting speed is, the bigger wearing depth of tools is. When v=300m/min, ap=0.5 mm, f=0.3 mm/r, the transient temperature in the milling would reach to 619°C. Such a high temperature can cause graphitizing wear of the PCD tools. Because of the effectiveness of the simulation’s conclusion, it is vital significance to the reasonable options of cutting parameters and the prolongation of tool life.
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