铸件从砂箱中拿出后,必须做一番清理工作,如清除铸件上型砂、坭心砂和斧去浇口、冒口,片锋等才能送到机工车间去加工。其中清砂工作(即把粘在铸件上的砂设法去掉)虽然是比较粗糙的工作;但是很费时间,尤其是一般没有机械设备的铸工车间,要先用铁锤和钢斧敲斧,再用钢丝刷 Casting out from the sandbox, you must do some cleaning work, such as removal of castings on the sand, sand and heart ax 去 to the gate, riser, patch front, etc. can be sent to the mechanic shop to process. Among them, sandblasting work (that is, trying to remove the sand stuck on the castings) is a rough work; however, it takes a lot of time, especially in a cast workshop where there is no mechanical equipment. Use a wire brush