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印刷機械應(yīng)用的凸輪(有圖紙) |
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點評
印刷機的凸輪對某一時刻的速度有嚴格要求,因為紙張要保證同速交接,才不會造成撕壞紙張!此外,收紙?zhí)幍姆偶埻馆喴竽苓m應(yīng)高低中速時的穩(wěn)定放紙需求!
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