In metal cutting, hole processing is the most common process. In hole processing, drill drilling is the basic process.
When drilling, if the hole on the workpiece is very deep, carbide deep hole drills should be used at this time.
Specially used for processing deep hole drills, deep hole drills. In processing, holes with an aperture ratio greater than 6 are usually called deep holes. Due to the poor rigidity of the drill rod, it is difficult to remove heat and debris during deep hole drilling, and it is easy to bend and vibrate. Cooling and cooling systems are usually used to solve cooling and chip removal problems. In the automotive, mold and aerospace industries, deep hole drill bits are very popular.
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HTF-K3 semi-automatic double-headed claw tooth grinding machine is a high-efficiency machine tool. The high-speed grinding head was originally designed as a combination of four rolling bearings in front and rear. The bearing type is 36211, D-class, and the speed is 8000r/min. The K_1180 chuck produced by our factory has a small arc radius of 12.7mm. Because it is formed by grinding, the inner circle of the grinding wheel is φ25.4mm, calculated according to 8000r/min, and the cutting line speed is 10.6m/S_0. And productivity is not going up. In this case, the grinding head speed can only be increased to 10000r/min, and the cutting line speed is increased to 13.3m/s, which is barely used for production. Due to the extreme speed of the grinding head, plus the grinding head