The brief introduction involves the operational performances of the pneumatichammer before and after modification of the anvil-die connection.
简介了空气锤锤砧锤模联接方式改进前后的使用状况。
2
The experience of pile hole drilling using pneumatichammer in bridge construction is reviewed. Equipments, tools and techniques are also described in detail.
The upsetting test of metal powder sintered preform by blow speed of the hydraulic press, crank press, pneumatichammer and high energy rate forging hammer was reported.