| 摘要 |
<p>A device (1) for drilling side portions of large section members, the device being arranged in a cutting system for cutting individual section member lengths, starting from a long section member, comprises a base (3) thereon swinging support arms (4,5) extend, the support arms being arranged with a V pattern enclosing an angle (±), each support arm (4,5) including a plurality of sliding rollers (7,8) for causing the section member (2) to slide thereon, the swinging arms (4,5) including guides (9,10) slidably supporting a controllably driven carriage (11,12) operatively connected to a threaded screw, each threaded screw being operatively connected to a controllable motor (13,14), each carriage (11,12) having a movable arm (15,16) which may be controllably displaced along guides (30,31) and comprising parallel guides (17,18) engaging a drilling assembly (19,20) operatively coupled to a driving shaft (21,22), each driving shaft (21,22) being operatively connected to a corresponding controllable motor (23,24).</p> |
