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What Letter Is The Diamond Wheels Bond Used?
Nov 14, 2018

The bonding agent refers to a material in which various bonding agents in the bonded abrasive tool are bonded to the abrasive. The bonded abrasive tool generally adopts four major types of bonding agents: ceramic, resin, rubber, and diamond bituminous.

The binder-action is to bond the abrasive particles to shape the grinding wheel. Commonly used are:

1) Ceramic bond (code V or A): stable in nature and low in cost, used in most grinding wheels.

2) Resin bonding agent (code S or B): high strength, good elasticity, poor heat resistance (self-sharpness), used in thin-plate grinding wheels, high-speed grinding and prone to grinding and grinding cracks (such as Grinding thin-walled parts, super-fine grinding, grinding hard alloys, etc.).

3) Rubber bond (code R or X): the best elasticity. Guide wheels, sheet grinding wheels and polishing wheels for centerless grinding machines.

4) Metal bond (code M or J): mostly bronze. High strength, good formability but poor self-sharpness, mainly used for diamond grinding wheels.

There are two kinds of codes, which are generally distinguished by the first letter in Chinese and English.

JR company specializes in diamond and CBN tools, including resin bond, vitrified bond, metal bond and electroplated grinding wheel.

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