四、压葫芦(型锤)压葫芦是是锻件局部卡细、压槽的手锻工具,如图16所示。在《锻工手册》第四分册中把它叫做型锤,实质上它只是手工锻造中许多型锤中的一种。压葫芦由上、下两部分组成,上部由掌钳技工手持,接受锤工的打击,下部插在铁砧的方孔里,上下配合使用,便可使锻件局部卡细或压出环形槽,见上期中本文的图7中的3、4所示。 Fourth, the pressure hoist (Hammer) pressure hoist is forgings local card fine, pressure groove hand forging tools, as shown in Figure 16. It is called a hammer in Book 4 of the Forging Workbook, and in essence it is just one of many types of hammers forged by hand. Pressure gourd by the upper and lower parts of the composition of the upper hand held by the calipers mechanic to accept hammer blow, the lower part of the square hole in the anvil, with the use of up and down, can forgings local card fine or out of the annular groove, See the previous period of this article in Figure 7, 3,4 shown.