Usually the compressive force is in the form of hammer blows using a power hammer or a press, as shown in Fig. 4.1.
通常压力都是以由如图4.1所示的动力锤或压力机提供的锤击形式出现。
2
Our country makes the first ten thousand ton hydraulic press is the hammer forging hydraulic press.
我国制造的第一台万吨水压机就是自由锻造水压机。
3
The upsetting test of metal powder sintered preform by blow speed of the hydraulic press, crank press, pneumatic hammer and high energy rate forging hammer was reported.