铝合金中高速加工产生的残余应力和温度与刀具参数的关系效应研究检测方案(粒子图像测速)

The need throughout the machining industry for cost reduction and increases in productivity have contributed to new interest in high-speed machining. Even though, many model for machining exist, most of them are for low-speed machining, where momentum is negligible and material behavior is well approximated by the quasi-static laws. In machining at high speeds momentum could be large and the strain rate can be exceedingly high. For these reasons a uid mechanics approach to understanding high-speed, very high-speed and ultra-high-speed machining is attempted here.