The process parameters of electric upsetting include: velocities of upsetting cylinder and anvil cylinder, heating current, preheating length and time, etc.

• 电热镦粗成形过程的工艺参数主要包括镦粗缸活塞运动速度、砧子缸活塞运动速度、镦粗压力、加热电流和预热长度等。