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How To Polish The Extra Long Wood Drill Bit

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Woodworking tools are tools that process wood into the required shape and size by cutting methods. There are two types of woodworking knives, hand-use, and machine-use. Machine-use woodworking knives are used in batch and mass production. Machine-used woodworking tools are divided into 5 categories: saws, blades, milling cutters, drills, and tenoning tools. However, the wood drill bit is too short to use the drill bit in some special places, so there is an extra long wood drill bit , but how should the drill bit be polished?
When we polish the drill bit, we need to pay attention to ensure that the cutting edge is aligned with the axis, and both sides are symmetrical and repaired slowly. After one edge is sharpened, sharpen the other edge. Make sure that the edge is in the middle of the drill axis and the edges on both sides should be symmetrical. The experienced master will observe the symmetry of the drill tip with bright light and slowly sharpen it. The relief angle of the cutting edge of the drill is generally 10°-14°. If the angle is large, the cutting edge is too thin, the vibration is severe during drilling, the hole is triangular or pentagonal, and the chips are needle-shaped; the relief angle is small, drill When cutting, the axial force is very large, it is not easy to cut, the cutting force increases, the temperature rise is large, the drilling hair is hot, and it is even impossible to drill. The rear angle is suitable for angle grinding, the front tip is centered, and the two edges are symmetrical. When drilling, the drill bit chip removal is brisk, without vibration, and the hole diameter will not be enlarged.
Most of the tools need to be polished, as does the TCT circular saw blades , and most of the tools have small skills. www.jeejatools.com

  • April 2 2021 på 02:16
     

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