一、前言活塞环的铸造方法主要有单体铸造和筒体铸造二种。现在主要采用湿砂叠型单体铸造法。由于活塞环形状简单,往往认为在铸造上不会有什么特殊的困难,但实际上并非如此,在铸铁的材料调整、铸出正确的毛坯形状方面,都需要花一番苦功。湿型单体铸造的活塞环毛坯经过机械 First, the preamble Piston ring casting methods are the main casting and casting two kinds of cylinder. Now mainly used wet sand stacked monomer casting method. Due to the simple shape of the piston rings, there is often no particular difficulty found in the casting, but in fact it is not the case, in the cast iron material to adjust the shape of the correct cast the blank shape, you need to spend some hard work. Wet-type monomer casting piston ring blank through the machinery