Basic Knowledge of Resin Bonded Diamond Grinding Tools

Resin bonded diamond grinding tools are made by using diamonds as the abrasive and resin powder as the adhesive, and adding some proper fillers such as copper powder. After being prepared, mixed, hot-pressed to a certain shape, cured and machined, these materials can then be changed into final products. An example of resin bonded diamond grinding tool is the diamond polishing pads, which are used for polishing stone, concrete, glass, etc.

Resin bonded diamond grinding tools have following advantages:

• Their grinding efficiency is high and self-sharpening capacity is good.

• The temperature generated in their grinding procedure is low, and they are not subject to blocking. This can reduce the possibility of burning the workpiece.

• They have good elasticity, which will help to improve the roughness of the workpiece’s surface. They are widely used in fine grinding, half-fine grinding, sharpening and polishing.

• Their dressing is easy.

The processing objects of resin bonded diamond grinding tools include carbide alloy, glass, ceramic, stone, ferrite, semiconductor, electrical carbon products, refractories, etc.

As the resin bond’s hold strength to diamonds is normally not so strong, the diamonds’ utilization ratio is not high. Therefore non-high quality but large quantity diamonds can be used in the making of resin bonded diamond grinding tools.