How much do you know about grinding wheels?

The grinding disc is a circular bonded grinding tool with a through hole in the middle of abrasive and binder. The characteristics of the grinding wheel are determined by factors such as abrasive, grain size, hardness, bond, shape and size.

What are the raw materials of the grinding wheel?

What are the characteristics of diamond grinding wheels?

What safety requirements apply to grinding wheels?

What are the raw materials of the grinding wheel?

Abrasives are the main raw material for the production of grinding wheels, which is responsible for cutting work. Therefore, the abrasive must be sharp and have high hardness, good heat resistance and a certain toughness. The material that binds the abrasive in the grinding wheel is called a binder. The strength, impact resistance, heat resistance and corrosion resistance of the grinding wheel mainly depend on the performance of the binder. The method is to tap with a velvet hammer (you can also use a pin) on the side of the grinding wheel, and the sound is clear. We can only carry out further work on the problem to be examined after selecting a reasonable and suitable location. Grinding machines must not be installed in places close to equipment and operators or where people often pass by. In general, larger workshops should set up their own grinding room.

What are the characteristics of diamond grinding wheels?

Resin-bonded diamond grinding wheel. It is characterized by low holding force, easy threshing of abrasives, high efficiency, good self-sharpening, lower heat generation during grinding and can reduce burns. And it has a certain elasticity, which is advantageous to improve the roughness of the workpiece surface. The process is simple, the product stability is good, the resin raw materials are easy to procure, the cost is low, the grinding wheel hardness is low, and it is easy to adjust.

What safety requirements apply to grinding wheels?

1.The diameter of the grinding wheel lining must not be less than one third of the diameter of the grinding wheel to be installed. The diameter of the grinding wheel lining for separating the grinding wheel must not be less than a quarter of the diameter of the grinding wheel to be installed.

2.For each form of grinding wheel lining, the diameter of the left and right parts and the radial width of the pressure surface must be the same.

3.The surfaces of grinding wheel lining should be smooth and free of sharp edges and well balanced.

4.All rotating parts on the grinding machine such as: grinding wheel, motor, pulley and workpiece spindle etc. shall be provided with protective covers. The protective cover should be firm and its connection strength should not be less than that of the protective cover.

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