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.
研究了用液压机、曲柄压力机、空气锤及高速锤的打击速度对粉末冶金烧结体进行的镦粗试验。
2
On this basis, it is through a series of experiments, including drop hammer experiment, high-speed rotating floor experiment and dynamic simulation experiment to test the performance of the receiver.
在此基础上，通过开展落锤试验，高速转台试验，以及高动态模拟试验测试接收机的整体性能测试。
3
Ring hammer crusher by high-speed rotating hammer and material crushing material, It is simple in structure, big crushing ratio, high production efficiency. Used for dry, wet two forms.