| 摘要 |
<p>A machine (100) for slitting a metal sheet has a number of knife assemblies (112) each containing a rotary knife (110). The knife assemblies (112) are mounted for movement along upper and lower arbors (104, 106) which rotate the knives (110) during a slitting operation. Upper and lower knife assembly positioning devices (114) are operable to releasably grasp the knife assemblies (112) for movement of the knife assemblies (112) to predetermined positions along the upper and lower arbors (104, 106).</p> |
