农业机械在使用中,常有螺丝折断,断头有时还很难取出。现介绍一些取出的方法供参考。1.断头有一部分露在机件外,可用下面方法取出:先在螺丝周围滴些煤油,等煤油渗进螺纹后再向外拧。小螺丝可用手钳夹住外露部分拧出。如果太紧,可用小锤敲击后再拧。对直径较大的断头,可用管钳卡住向 Agricultural machinery in use, often broken screws, broken heads sometimes difficult to remove. Now introduce some of the methods for reference. 1. A broken part of the exposed parts of the machine can be removed using the following methods: First drop some kerosene around the screw, and then kerosene into the thread and then screwed. Small screws can be pliers gripped the exposed part of the screw out. If it is too tight, use a small hammer to tighten and twist it. On the larger diameter of the decapitated pipe clamp can be used to live