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The similarities and differences between diamond grinding wheel and CBN grinding wheel

2018-05-14 12:16:00 TKD CO., LTD Reading 105 Times

From the perspective of abrasive, CBN is the compound boron nitride and diamond is the single carbon.

Different processing objects

Diamond grinding wheel is mainly used for processing hard and brittle materials, such as hard alloy, ceramic, glass, etc.

CBN grinding wheel is mainly used for machining hard and toughening materials especially black metal, such as all kinds of steel, cast iron, etc., such as the following artifacts: auto parts, crankshaft, camshaft, etc., hydraulic parts, compressor spare parts, etc.

Cubic boron nitride can withstand temperatures of 1,250 to 1,350 degrees Celsius, higher than the heat resistance of diamond at 800 degrees Celsius.In grinding and cutting metal materials, there will be no glue phenomenon, in the grinding of hardened steel, high vanadium high speed steel, aluminium high speed steel and other metal materials of grinding temperature sensitive is the most ideal grinding wheel.

But cubic boron nitride cannot replace diamond grinding wheel for grinding hard alloy and non-metal hard material.

When grinding, only oil coolant can be used instead of water base coolant.Because, under the high temperature of grinding, CBN in alkaline solution can produce chemical reaction, CBN grinding wheel in the 300 will decompose in alkaline solution, trace decomposition in boiling water, and the results will be ruined the grinding grain of crystal shape.

From the cost of production for TKD CO., LTD. Think of CBN grinding wheel's price is far higher than the price of diamond grinding wheel, diamond grinding wheel under the condition of machining permitting optimization with CBN grinding wheel.Therefore, diamond wheel and CBN wheel have their own advantages and responsibilities in grinding.Grinding must choose the right tool, not the most expensive tool.

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