feed change unit 中文意思是什麼
feed change unit
解釋
走刀箱-
Directed by rack and guide rail which are fixed on the base, the traveling part of milling mechanism is drived by motor through feed change unit
同時,帶動行走部分的大多是絲桿螺母機構,滾珠絲桿等,而光桿和齒條齒輪機構均為導向定位作用。
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