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(jī)啟、停過(guò)程的自調(diào)勻整控制,關(guān)鍵要實(shí)現(xiàn)啟停機(jī)加減速過(guò)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(guò)一臺(tái)固定式低溫絕熱液體貯槽夾層氣壓試驗(yàn)時(shí)內(nèi)殼發(fā)生失穩(wěn)變形 ,導(dǎo)致外殼爆裂的事故原因分析 ,證明此類容器在制造過(guò)程中應(yīng)嚴(yán)格控制內(nèi)殼的成形尺寸和焊縫殘余應(yīng)力 ,并加強(qiáng)對(duì)夾層氣壓試驗(yàn)、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(guò)對(duì)在役煤氣動(dòng)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。