高速镦头机：具有比旧式镦头机更快滚子加工速度的新型冷锻设备。
HIGH SPEED HEADER: Newer type of cold forging machine which produces rollers at a faster rate than the old style machine.
借助现代冶金分析技术对闭塞冷锻行星齿轮的晶粒尺寸、硬度变化和残余应力分布规律进行了研究。
By virtue of modern metallograph analyse technology, the size of grain, hardness and residual stress of bevel gear by closed-die cold forging is studied.
对不同变形量的冷锻az31镁合金在不同温度和保温时间下进行退火。
The annealing process was made under different temperature and holding time to the cold forging AZ31 magnesium alloy with different deformation ratio.
应用推荐