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發(fā)布時(shí)間: 2015-7-18 15:40
正文摘要:整經(jīng)軸的制動(dòng)采用彈簧夾制動(dòng)以改變彈簧夾緊程度來(lái)控制摩擦制動(dòng)力,它的制動(dòng)力較小,在緊急剎車(chē)時(shí)容易引起紗線(xiàn)扭結。隨著(zhù)整經(jīng)軸直徑逐漸減小,要經(jīng)常根據整經(jīng)時(shí)放入的千米紙條信號改變彈簧夾緊力,以保證紗線(xiàn)退繞張力 ... |
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