Feed transmission: using AC servo motor to drive the precise ball screw sets that supported by special ball screw bearing, which improves the rigidity and precision of feed movement.
2
它在原滚珠丝杆副，滚锥丝杆副的基础上进行了结构改进。
A structural improvement is implemented on the base of an original ball screw pair and a rolling cone screw pair.
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