铸件的清理是一项繁重的工作。形状复杂结构特殊的铸件,其飞边毛刺的清理更是困难。目前,多数工厂通常采用风铲、砂轮机、碳弧、火焰和专用机床对普通铸件进行清理。这种方法,对特殊形状的铸件清理很不适用。我厂生产的汽缸套毛坯,散热片厚度2．6mm,散热片间的间隙3mm,间隙的最大深度25mm。产品在试制时,采用什锦锉手工清理散热片间隙的粘砂、毛 The cleaning of castings is a heavy task. The complex shape of the special castings, the flash burr cleaning is even more difficult. At present, most factories usually use the wind shovel, grinder, carbon arc, flame and special machine to clean the ordinary castings. This method, the special shape of the casting cleaning is not applicable. I plant the cylinder liner rough, heat sink thickness of 2.6mm, the gap between the heat sink 3mm, the maximum depth of the gap 25mm. Products in the trial production, the use of hand-cleaning file finned heat sink gap sticky sand, wool