我厂机械加工车间里,有很多东北制造的 B 型车床,用来加工钻杆接头等单一工件。操作这类机床的工人,技术等级都比较低,他们在操作中,常常由于工件卡得不紧,或吃刀过大,超过机床负荷,而造成牙条打牙事故。修机工段长刘洪同志,就针对这情况,改进了一种保险装置,使用效果很好,避免了 B 型车床牙条打牙的事故。这种保险装置的结构很简 I plant machining shop, there are many Northeast-made B-type lathe, used to process a single workpiece such as drill pipe joints. Workers operating such machines, the technical level is relatively low, they are often in operation, due to the workpiece is not tight card, or eat too much, exceeding the load on the machine, causing tooth streaking accident. Repair mechanic section commander Liu Hong, on this situation, improved a kind of insurance device, the use of good results, to avoid the B-type tooth-shaped dental car accident. The structure of this fuse is very simple