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美国明尼苏达州Innovex公司开发出一种消除刀具残余应力的装置,利用磁致伸缩效应引起振动,消除应力,有效地延长了刀具寿命。
Innovex Inc., of Minnesota, USA, has developed a device that eliminates residual stresses in the tool and uses the magnetostrictive effect to cause vibration and stress relief, effectively extending tool life.