摘要
通过试验确定芯棒最佳保温温度和保温时间。控制芯棒原始弯曲度,消除芯棒内应力,解决芯棒机加工前变弯的问题。
The best holding temperature and holding time of mandrel is confirmed by test. The bending problems before mandrel machining is solved by controlling original bending of mandrel and eliminate internal stress of mandrel.
出处
《大型铸锻件》
2012年第3期17-19,共3页
Heavy Casting and Forging
关键词
芯棒
内应力
去应力退火
弯曲度
mandrel
internal stress
annealing for stress relief
bending
