A new non-contact measuring method for ball nuts based on CCD imaging is put forward.
2
然后用本文推导的效率公式选用合理的丝杠螺母角速比，便可得到较高的效率。
Hence by using the efficiency equations, derived in this paper, the optimum speed ratio to get higher efficiency of the screw pairs can readily be selected.
3
分析了滚珠丝杠螺母副高速化存在的问题，提出了实现滚珠丝杠螺母副高速化的几点措施。
The problems of the ball screws for high speed were analyzed. Technology measures of the ball screws for high speed were pointed out.
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