| 摘要 |
<p>The equipment for cutting sheet material, for example paper or plastics, comprises a plurality of pairs of blade (10) and counter-blade (12) units slidable and fixable on respective elongate support members (14); a first positioning carriage (16) movable parallel to the elongate support member (14) of the counter-blade units (12) and having means for selective engagement with these units (12) and means for locking the units (12) selectively to the elongate support member (14); a second positioning carriage (18) movable parallel to the elongate support member (14) of the blade units (10) and having means for selective engagement with these units (10) and means for locking the units (10) selectively to the elongate support member (14); drive means for moving the carriages (16, 18) uniformly and in synchronism; means for detecting the axial position of the carriages (16, 18); and a control unit.</p> |
