| 摘要 |
<p>Feed wheels (17) are mounted on parallel, equidistant individually driven axles (15) which are located inside a vacuum chamber (3). A separator (19) is located above the chamber. At least one load relief device (30) can be moved in a vertical direction between positions in which supports the sheet (1) and in which it does not support the sheet. Each load relief device is located in front of a wheel axle and a control unit (20) is used to regulate movement of the load relief device and wheel rotation depending on the position of the rear edge of the sheet relative to the wheel.</p> |
