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1 thought on “school spirit jewelry wholesale Handmade grinding drill steps to illustrate the grinding and steps of ordinary drill bites”
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wholesale gold plated jewelry set 1. First unload the drill head from the drill knight. This is much more convenient when grinding, and it is also the correct operating program. Do not advocate drilling the drill with a pistol.
. It is necessary to grind the drill of the upper half of the wheel machine. When grinding, let the drill header and the sand wheels parallel and then grind it on the grinding wheel.
3. Generally, it is recommended to hold the end of the working part of the drill head and hold the tail of the drill head in the left hand. When grinding, keep the drill position on the right hand, and move the tail of the drill on the left hand slightly. Pay attention to the height of the movement of the movement.
4. Be careful not to rotate the drill head in the process of grinding, grind the knife mouth and rotate the knife mouth on the other side of 180 degrees. Finally, change the knife grinding repeatedly.
5. After the two knife mouth is grinded, the horizontal blade can be ground. The method is to grind the horizontal grinding sides into a pointed. The specific form is the same as the central hole.
6. Such grinding drills are round when processing some thin iron plates.