What are the key factors affecting the quality of the grinding wheel?

The grinding wheel is the main tool for grinding, which is a porous object composed of abrasives and binders. Among them, factors such as grinding wheel abrasive, particle size, binder, hardness, structure, shape and size are important factors that determine the quality of grinding wheel. Let us take a look at it together.

 

Abrasive. Abrasive refers to the material of the sand grains in the grinding wheel, is the main component of the grinding wheel, and is the fundamental element for the grinding wheel to produce cutting action.

Grit. Grit size is a parameter used to express the size of abrasive grains. According to the basic grit size of abrasive, a total of 41 grit size numbers are specified. Grit size directly affects the quality and productivity of grinding.

Binder. A bond is a material used to bond the dispersed abrasive particles into an abrasive tool with a certain shape and sufficient strength. The type and nature of the binder will affect the hardness, strength, corrosion resistance, heat resistance,etc. And impact resistance of the grinding wheel.

Hardness. The hardness of the grinding wheel refers to the difficulty of the abrasive particles falling off under the action of external force when the grinding wheel is working. And if the grinding wheel is hard, it means that the abrasive grains are difficult to fall off; if the it is soft, it means that the grinding wheel is easy to fall off.

Organization. The structure of the grinding wheel refers to the proportional relationship between the volumes of the abrasive particles, the binder and the pores that make up the grinding wheel. It is usually graded in terms of the percentage of abrasive particles in the wheel volume. The grinding wheel has three organizational states: tight, medium, and loose; it is subdivided into 0-14 grades, with a total of 15 grades. The smaller the organization number, the larger the proportion of abrasive particles, and the tighter the grinding wheel; on the contrary, the larger the organization number, the smaller the proportion of abrasive particles, and the looser the grinding wheel.

Shape and size. The shape and size of the grinding wheel are determined according to the type of grinding machine, the processing method and the processing requirements of the workpiece.

 

With different abrasives, binders and grinding wheel manufacturing processes, the characteristics of grinding wheels may vary greatly, which has an important impact on the precision, roughness and production efficiency of grinding. Therefore, the appropriate grinding wheel must be selected according to the specific conditions.BINIC abrasive cutting wheels and grinding wheels are produced in strict accordance with industry standards and only produce products with optimum performance. In terms of cutting performance, cutting feel and cutting speed, BINIC's cut off discs and grind off discs are far superior to other brands.

 

 

 

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