The relation between the deformation degree, blowspeed and forging density was analysed.
分析了变形程度、打击速度与锻件密度之间的关系。
2
The upsetting test of metal powder sintered preform by blowspeed 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。
3
Gusty winds may blow out of a thunderstorm at speed in excess of 75 miles an hour.