A lead-screw is a common driving mechanism in machine tools, and it translates rotational motion to linear motion.Nowadays a ballscrew is usually used instead of a lead-screw. 中文摘要導螺桿在機械加工機中為一常見(jiàn)驅動(dòng)機構，其作用是將旋轉運動(dòng)轉變?yōu)橹本€(xiàn)運動(dòng)。
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