一件待进入搓丝线的螺栓杆坯,有时在纵料道的出口和横向夹持器的接料口之间被卡住、横向送料被制动,这种现象在Z25-20自动搓丝机(齐齐哈尔第二机床厂1979年产品)工作中称之为“卡料”。“卡料”一般均可自动排除,排除后即恢复正常工作。而有时“卡料”经自动排除后,可能会发生搓丝滑块与横向送料滑板互相冲撞的异常事故。我厂曾发生过一 A bolt rod blank to be fed into the thread rolling line is sometimes jammed between the exit of the longitudinal feed and the feed opening of the transverse gripper and the feed in the transverse direction is braked. This phenomenon occurs in the Z25-20 automatic thread rolling machine (Qiqihar Second Machine Tool Works 1979 products) work called “card material.” “Card material” generally can be automatically excluded, ruled out to resume normal work. And sometimes “card material” by the automatic exclusion, there may be rub wire slide and horizontal feed skateboard collision accidental exception. I have had a factory