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什么叫刚度？机床刚度曲线有什么特点？
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什么叫刚度？机床刚度曲线有什么特点？
时间：2022-01-05 12:12
关键词：
金属切削刀具
机械工程
大学试题
工学
答案解析
<p> 刚度是指切削力在加工表面法向分力，Fr与法向的变形Y的比值。机床刚度曲线特点：刚度曲线不是直线；加载与卸载曲线不重合；载荷去除后，变形恢复不到起点。</p>
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机床刚度是刀具位置的函数，测定机床刚度的方法有（）法，生产测定法和接触刚度的测定。
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