A.軸承損壞B.上下軸承同心度差C.軸承座螺栓松動D.擺動馬達壓力不足
A.自動測量及測量數(shù)據(jù)處理B.切削參數(shù)自動優(yōu)化C.數(shù)控自動切削D.刀具磨損自動補償