操纵杆抗扭强度试验机在机械工程中有很多构件承受扭转载荷。在杆件的两端作用两个大小相等,方向相反,且作用平面垂直于杆体轴线的力偶,致使杆件任意两个横截面都发生绕杆体轴线的相对位移,这种位移形成的变形即为扭转变形。在实际工作中,把引起杆件扭转变形的力偶或力矩称之为扭转力矩,简称扭矩。扭矩 ī 的表达式是力 F 与力臂(或力偶的距离)L 的乘积:T-F·L。
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[ DB ] CONNECT:[ UseTime:0.001429s ] mysql:host=pc-m5epcw1px949b110u.rwlb.rds.aliyuncs.com;port=3306;dbname=yousedb;charset=utf8
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