工件长1.3米,需钻φ19通孔,利用普通麻花钻剩下的旧钻头,简单地改制成了如图所示的风力排屑深孔钻。钻削时,阻力小,排屑情况好,可自动走刀切削。不需用冷却液,因风力在排屑的同时就起到了冷却作用。效率高,钻削1.3米长的深孔,采用转速为420～530转/分、走刀量为0.09～0.12mm/转时,需40分钟左右。风力排屑深 Workpiece 1.3 meters long, need to drill φ19 through hole, the use of ordinary twist drill left the old drill, simply transformed into the wind as shown in the chip drilling. Drilling, the resistance is small, the chip is good, can automatically take the knife cutting. No need to use coolant, because the wind in the chip removal at the same time played a cooling effect. High efficiency, drilling deep hole 1.3 meters long, the use of speed of 420 to 530 rev / min, take the amount of 0.09 ~ 0.12mm / rev, about 40 minutes. Wind chip deep