放卷、收卷均由气胀轴支撑料卷，更换快捷、撑力均匀、定心准确。
The unwinding equipment and rewinding equipment all adopt air-expansion shaft to bear roll materials, assuring fast replacement, even supporting force and accurate centering.
原纸放卷采用平皮带推送。
Jumbo roll Paper unwinding roll adopts flat belt for pushing.
放卷牵引采用磁粉制动器使走料更平稳。
Unwinding and traction adopts magnetic powder brake to make material moving more stable.
收、放卷磁粉张力控制。
放卷：气压提升式放卷架、配磁粉自动张力系统。
Unwinding: Hydraulic lifting unwinding rack, equipped with magnet powder auto tension system.
液压提升放卷架并配有自动张力及电脑纠偏系统。
Hydraulic lifting unwinding rack, equipped with auto tension and computer deviation correcting system.
原材料放卷配装无级调速推送，放卷材料张力恒定。
Unwinding roll of raw material is equipped with stepless speed-adjustment pushing, the tension for unwinding material is constant.
放卷自动纠偏，光电眼适用于跟踪透明材料边缘及颜色。
Automatic EPC for unwinding, photocell is suitable for tracking the edge and color of transparent material.
放卷采用磁粉制动器，由PLC自动计算卷径实现自动涨力控制。
Unwinding adopts magnetic powder brake, roll diameter calculated automatically by the PLC automatic tension control.
本机由纠偏放卷机构、分切机构、收卷机构、传动机构以及电器控制等组成。
The machine consists of corrective unwinding institutions, cutting structure, the rolling bodies, transmission and electrical control.
本论文具体针对在凹板印刷机运转过程中的收卷放卷张力控制进行讨论与研究。
Main subjects discussed in this dissertation focus on the tension control in unwinding and winding processes for the gravure press machine.
针对卷筒材料放卷系统的张力控制问题，探讨了一个基于交流传动的速度控制规律。
Aiming to control the tension of roll out system, the rule of speed control based on AC driving is discussed.
含羞待放的马蹄莲花，合拢在一起，像没有打开的扇子一般，又像一个奶油蛋糕卷；
Blush to be put in the calla lily flower, close together, like a fan does not open normally, and like a cream cake roll;
在放膜卷上装有分切刀和针孔刀，操作者可根据纸张大小方便地调节分切刀的位置，针孔刀的使用为下道裁切打下了基础。
There is a cutter and a perforator on the fill roll. The position of the cutter can be adjusted according to the sheet size. The perforator provides the foundation for sheet cutting.
倒片：把胶片从卷片轴倒到放片轴上，使胶片前面或者说卷轴的开始部分在外圈。
Rewinding: the process of winding the film from the take-up reel to the supply reel so that the head end, or start of the reel, is on the outside.
倒片：把胶片从卷片轴倒到放片轴上，使胶片前面或者说卷轴的开始部分在外圈。
Rewinding: the process of winding the film from the take-up reel to the supply reel so that the head end, or start of the reel, is on the outside.
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