To realize the auto-leveling control of draw frame during its start and stop process, a premise to solve this problem is to keep a steady speed change during the accelerating and decelerating process.
为解决并条机启、停过程的自调匀整控制,关键要实现启停机加减速过程的平稳变速。
When conducted the laminated pneumatic test for a stationary lower temperature and adiabatic liquid vessel,buckling deformation occured in inside shell and bursting in outside shell.
通过一台固定式低温绝热液体贮槽夹层气压试验时内壳发生失稳变形 ,导致外壳爆裂的事故原因分析 ,证明此类容器在制造过程中应严格控制内壳的成形尺寸和焊缝残余应力 ,并加强对夹层气压试验、抽真空检漏的工艺程序监
The analysis of the failure of deformed bellow expansion joint of town gas power pipeline network in service found that the deformation of the bellows were mainly caused by installation error and ground settlement.
通过对在役煤气动力管网中失稳变形波纹管膨胀节的损伤分析,发现波纹管失稳变形主要是由于安装误差和地基下沉而引发的。
