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.
為解決并條機啟、停過程的自調勻整控制,關鍵要實現(xiàn)啟停機加減速過程的平穩(wěn)變速。
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.
通過一臺固定式低溫絕熱液體貯槽夾層氣壓試驗時內殼發(fā)生失穩(wěn)變形 ,導致外殼爆裂的事故原因分析 ,證明此類容器在制造過程中應嚴格控制內殼的成形尺寸和焊縫殘余應力 ,并加強對夾層氣壓試驗、抽真空檢漏的工藝程序監(jiān)
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.
通過對在役煤氣動力管網(wǎng)中失穩(wěn)變形波紋管膨脹節(jié)的損傷分析,發(fā)現(xiàn)波紋管失穩(wěn)變形主要是由于安裝誤差和地基下沉而引發(fā)的。