Diamond grinding wheel 
 A diamond wheel structure generally work layer, substrate, buffer layer composed of three parts. 
 Work layer, also known as the diamond layer, abrasives, binders, and fillers, is the work part of the grinding wheel. The transition layer, also known as non-diamond layer, binders, metal powder and filler composition is the part of the diamond layer is firmly connected to the substrate. 
 The matrix used to undertake the abrasive layer, and the use of flange firmly clamped on the grinder spindle. General metal bonded products to be of steel, alloy steel powder as matrix; resin binder selected aluminum alloys, electric wood substrate. Made from aluminum, steel, or bakelite processing from the supporting layer and loaded card abrasive. The quality of the grinding wheel molding quality and level of accuracy a great relationship with the matrix. 

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