QOC是全液压地下卷取机的关键核心技术，该技术将直接影响钢卷的卷取质量。
QOC is the key core technology and the technology affect the roll quality directly.
在理论分析和试验研究的基础上，找出地下卷取机助卷辊冲击负荷过大的主要原因。
Based on theoretical analyses and experiments, main reasons have been discovered that cause excessive impact load on the wrapper roll of down coiler.
研究的目的是根据卷取带钢规格的要求，力图从理论上确定地下卷取机夹送辊与卷筒的相互位置。
The purpose of the article is to study the correlation between mandrel and pinch rolls of down-coiler according to the requirement coiling strip.
地下卷取机是热带钢连轧机的关键设备，张力辊的偏移角对于保证带钢顺利咬入具有重要的作用。
Down coiler is one of the key equipment for hot strip mill, the deviation angle of tension roll is of great importance to biting into coiler successfully.
助卷辊主要参数包括压紧力、送进力、辊缝值和分布位置的确定，对地下卷取机的设计和控制具有十分重要的意义。
Chief parameters of aided reel roll includes tight pressure, send entrance force, roll gap and distributed position, determination of that is great importance to design and control for down coilers.
助卷辊主要参数包括压紧力、送进力、辊缝值和分布位置的确定，对地下卷取机的设计和控制具有十分重要的意义。
Chief parameters of aided reel roll includes tight pressure, send entrance force, roll gap and distributed position, determination of that is great importance to design and control for down coilers.
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