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北京第四机床厂生产的DK-7732数控线切割机床,其高频脉冲电流是经过进电块输入到钼丝上的(见图1),进电块是一个紫铜螺母上烧焊两块硬质合金而成,在加工过程中,进电块上的硬质合金与钼丝频繁地接触,硬质合金也会被腐蚀,半年就会出现约2mm深的槽沟,我们将原进电块改为可调式进电块(见图2),硬质合金块用螺钉固定在紫铜螺母上的深槽内,若硬质合金上出现深槽后,不需修复,只要松动螺钉,挪动一下硬质合金的位置固定后,马上就可使用了。优点是1。简便易行,不需长时间停工;2.
Beijing Fourth Machine Tool Plant production DK-7732 CNC WEDM, the high-frequency pulse current is input into the molybdenum wire into the wire (see Figure 1) into the electric block is a red nut on the two hard-burning welding Quality alloy, in the process of processing, into the electric block on the frequent contact with the molybdenum alloy carbide, carbide will be corroded, six months there will be about 2mm deep groove, we will be the original into the block (Figure 2). The block of cemented carbide is screwed into the deep groove on the copper nut. If the deep groove appears on the cemented carbide, it does not need to be repaired, as long as the screw is loosened and the hard The quality of the alloy after the fixed position, can be used immediately. The advantage is 1. Simple and easy, without long downtime; 2.