back-up roller

Rewinder has pneumatic back roller.

收卷有背压辊.

In our one-heating forming reform, a new king of roller conveyor-stepping roller conveyor is designed as back conveyor to replace the using elevator ( or two-layer roller conveyor) in three-roller rolling mill to reduce the drawbacks in present application.

针对目前一火成材改造中三辊轧机机后辊道采用升降台（或双层辊道）所存在的缺陷与不足，采用一种新型的阶梯辊道设计来取代现有辊道。

This paper states the method of double-row cylindrical roller bearing in the back-bone horizontal axis of three-axle test table. This method can make the swing angle and verticality of three-axle precision angle motion table be both 1 second.

论述了首次采用双列圆柱滚子轴承于三轴台中框水平轴系上，使三轴精密角运动台达到了三个轴摆角1〃、两个轴垂直度1〃的要求。

By the analysis of four kinds electronic let-off back bearer system, it could be concluded that:@ Warp tension wave of high frequency was compensated by the fast swing of warp roller;

通过对四种电子送经后梁系统的分析指出：①高频率的经纱张力波动由弹性后梁的高速摆动来补偿；

Back up roller : Roller which backs up the impression roller for additional pressure in gravure printing.

加压辘: 在照相凹版印刷机上,给予压力圆筒额外压力的辊辘.

High accuracy back pressure three-roller type laminating device and recycle oil heat device is used in the laminating roller.

高精度被压三辊式复合装置，使用热循环控温装置。