It's difficult to improve the precision of the spindle static stiffness test.
如何提高测试精度是主轴静刚度测试中的难点。
The measuring system USES PC, step motors and high accuracy torque sensor to finish the stiffness test.
利用PC机、步进电机、高精度扭矩传感器组成的系统完成了刚度测量。
Stiffness test platform of drug drive compression spring was built and the relative accurate stiffness value was got.
搭建药物驱动装置的压缩弹簧刚度测试试验台，得到了较为精确的弹簧刚度值。
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