| 摘要 |
<p>An apparatus for cutting and nibbling a sheet metal ( 3 ) in coil form comprises pulling devices for pulling the sheet metal, which is delivered from a delivery bobbin or coil, and are driven by a pair of overlapping rollers ( 12 ), the sheet metal being adapted to intermittently advance, stop and move backward, the sheet metal being processed by machining heads ( 15,16 ), which are arranged at the top and bottom portions of the sheet metal and are designed for transversely move with respect to the sheet metal feeding direction.</p> |
