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双卷筒拉丝机既具有滑轮式拉丝机的积线多、冷却好,又具有直线式拉丝机的线材无轴向扭转的优点,适宜拉拔高、中碳钢丝,按绕线导轮的结构型式可分为机械摩擦、电磁、永磁和气动等几种。在国外,双卷筒拉丝机早已被广泛使用,而在我国还是七十年代的新品种,使用单位很少,且以机械摩擦型式居多。为填补这方面的空白,我院曾与本溪钢厂联合设计一台采用电磁滑差式的7/350双卷筒拉丝机,现将该机的设计结构和试制后试车的情况作一些介绍。
Double reel wire drawing machine not only has puller wire drawing machine product line, good cooling, but also has a straight wire drawing machine wire without axial torsion advantages, suitable for drawing high and medium carbon steel wire, according to the winding guide wheel structure type Can be divided into mechanical friction, electromagnetic, permanent magnet and pneumatic several. Abroad, double roll drawing machine has long been widely used, but in our country or the seventies new varieties, the use of very few units, and the majority of mechanical friction type. In order to fill this gap, our hospital and Benxi Steel have jointly designed a 7/350 double-coil drawing machine using electromagnetic slip, now the design of the machine and trial after the trial made some introduction.