锻锤和钣金落锤底座下的减震装置,开始时用特殊的垫木。此种垫木的木料质量要求极高,成材率低,制造周期长,成本高,使用寿命短。从六十年代起,用橡胶制垫块代替垫木。橡胶垫块怕油污和臭氧等,易老化,减震效果也不好。近几年来苏联一些工厂采用了板 Forging hammer and sheet metal hammer base under the damping device, the beginning with a special pad wood. This kind of mahogany lumber has extremely high quality, low finished product rate, long manufacturing cycle, high cost and short service life. From the sixties onwards, rubber pad instead of mat. Rubber pad afraid of oil and ozone, easy to aging, damping effect is not good. In recent years some factories in the Soviet Union have adopted boards