弹簧常数:以 k 表示,当弹簧被扭转时,每增加1°扭转角的负荷(kgf/mm). 弹簧常数公式(单位:kgf/mm):E=线材之钢性模数:琴钢丝E=21000 ,不锈钢丝E=19400 ,磷青铜线E=11200 ,黄铜线E=11200d=线径Do=OD=外径Di=ID=内径Dm=MD=中径=Do-dN=总圈数R=负荷作用的力臂p=3.1416
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