The design of eccentric dressing device of grinding wheel with duplex circular arcs profile is the key to raise the precision of ball screw race.
双圆弧砂轮偏心修整机构的设计是提高滚珠丝杠滚道精度的关键。
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The eccentric cam beam pumping unit make full use of original member and optimize key member, so it makes each member's force rational, and energy sav…