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Cutting points installation points

It has been introduced before that the cutting piece is a commonly used grinding tool. It should be paid attention not only when it is used, but also should pay attention to some points during installation to avoid some problems during use. So what are the four points that the cutting piece should pay attention to when installing?

1. Before installing the cutting piece, it is necessary to adjust the working line speed. Grinding wheels with unclear or unmarked signs shall be re-tested by rotation.

2. Between the inner hole of the cutting piece and the outer circle of the grinding wheel shaft or the flange, it should not be too tight. Otherwise, it will be heated and expanded during grinding. It is easy to crack the cutting piece, and it should not be too loose. Otherwise, it will easily lead to eccentricity and loss of balance. Causes vibration. Generally, the matching clearance is 0.1~0.8mm, and the high speed clearance is smaller.

3. The flanges on both sides are the same in shape. The diameter of the flange is generally half the diameter of the resin grinding disc, and the inner side should have a concave groove. Between the end face of the grinding wheel and the flange, it should be padded. An elastic cardboard or leather, oil-resistant rubber gasket with a thickness of about 1 to 2 mm, the diameter of the gasket should be slightly larger than the outer diameter of the flange.

4. When clamping with flanges, the diameter of the two flanges should be equal, and the outer diameter should not be less than 1/3 of the outer diameter of the grinding wheel. Apply a thick cardboard or oil-resistant rubber between the flange and the end face of the grinding wheel to make the pressure evenly distributed. The tightening force of the nut should not be too large, otherwise the grinding wheel will be broken. Note that the direction of the tightening thread should be opposite to the direction of rotation of the grinding wheel, that is, when it is rotated counterclockwise, use the right-hand thread, so that the grinding wheel will tighten the tightening force under the action of the grinding force.