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Definition of Diamond Cup Wheels

A diamond cup wheel is a metal-bonded diamond tool with diamond segments welded or cold-pressed on a steel (or other metal, such as aluminum) wheel body, which usually looks like a cup.

From: Date: 2013-12-13 01:58:24Views: 1278

A diamond cup wheel is a metal-bonded diamond tool with diamond segments welded or cold-pressed on a steel (or other metal, such as aluminum) wheel body, which usually looks like a cup. Diamond cup wheels are usually mounted on concrete grinders to grind abrasive building materials like concrete, granite and marble.

There are various styles and specifications of diamond cup wheels to fit various application requirements. The ones with many big diamond segments can undertake heavy workload, for example, grinding concrete and stone, while those with small or sparse diamond segments are normally used for fast removal of paints, wallpapers, glues, epoxy and other surface coatings.

Just like other metal-bonded diamond tools, the diamond segments on diamond cup wheels can have different bonds, different diamond grits, different diamond quality and different diamond concentrations to fit different uses. For example, if the material to be ground is hard, the bond should be softer, and if the material is relatively soft, the bond should be harder.

Diamond cup wheels are used in different-roughness grindings. For coarse grinding, the bond should be softer and the diamonds' quality should be higher, because in this case the diamonds are more easily to become blunt. The diamond grit should be bigger, normally from 35 grit to 50 grit. For this is coarse grinding and big grit can improve working efficiency. The diamond concentration can be lower.

For fine grinding (sometimes be called "polishing"), the bond should be harder and the diamonds' quality can be lower, for in this case the diamonds can last longer and hard bond can also help the precision of the processing. The diamond grit is normally between 80 grit to 120 grit, depending on the grinding requirements. The diamond concentration should be higher. After being ground, the material can be further polished with resin-bonded diamond polishing pads of different diamond grits.

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