The common problems of high-speed drill screw molding machine mainly include blunt, slippery and broken taps.
1. The blunt wire problem is mainly caused by too large a diameter of the bottom hole or too small a diameter of the return rod. In order to prevent this problem, it is necessary to correctly calculate or select the diameter of the bottom hole and the diameter of the round bar.
2. Slip wire, that is, screw buckle buckle, mainly due to the use of too blunt tapping or silk plate, or in the chip did not apply the appropriate pressure, chip continue to ream after an unnecessary excessive pressure, as well as the tool is not positioned correctly, not lubricated coolant and so on. To solve this problem, must pay attention to not use too blunt tapping or plate, while applying appropriate pressure, reaming a few teeth do not add a lot of pressure, at the same time to use emulsion, oil, etc. as a cooling lubricant, the tool should be correctly positioned.
3. Tapping broken mainly due to high-speed drilling and tapping machine in the work of negligence, operating too hard, too blunt tapping, chip blocking, failure to reverse in time, and tapping quenching is too hard and other reasons. To avoid this problem must pay attention to not use too blunt tapping, choose the right quenching tapping, tapping carefully, timely exclusion of chips, do not make the blockage. When the screw tapping broken in the bottom hole, you can take the opposite direction of rotation to exit, such as the opposite direction of rotation does not move, then available blowtorch annealing, and then the broken wire tapping drilling off, re-tapping.
For high-speed drilling screw molding machine for common failures of the solution mainly includes the correct calculation or selection of the diameter of the bottom hole and the diameter of the round rod, applying the appropriate pressure and the correct positioning of the tool, choose the right tapping and pay attention to the hardness of the quenching, and timely exclusion of swarf to prevent blockage and other measures!
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