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Application and use of diamond grinding wheels

Views: 314     Author: zhongle     Publish Time: 2023-04-14      Origin: Site


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Application and use of diamond grinding wheels

Because diamond grinding wheels can be costly, all users must understand how to extend the life of their grinding wheels. Several things can be done to easily extend the life of the wheels while also contributing to a high material removal rate. Wheel speed, feed rate, work speed, and coolant usage are some elements that aid in extending the life and efficiency of the wheels.

Wheel speeds affect how well a diamond grinding surface performs. Grinding at speeds of 4000 to 6000 sf/ruin (20 to 30 m/s) is appropriate for moist surfaces. Efficiency will decrease if the speed drops below 4000 sf/min, and wheel life will decrease at speeds beyond 6000 sf/min. Medium speed should be used for dry tool and cutter grinding with grit sizes of 150 and concentrations of 75 to 100. At speeds of between 3500 and 4500 sf/min (18 and 23 m/s), dry grinding performs well. The diamond grinding wheel can be damaged by grinding at rates higher than 4500 sf/min (23 rn/s), particularly if coolant cannot be utilized. While dry grinding at high speeds, coolant must be utilized if it doesn't harm the workpiece's substance. According to this, work speeds must be such that neither the wheel nor the work is subjected to undue wear and tear or damage.

The feed rate or the depth of the cut is another area of application. Diamond grinding wheels are prone to cracking, burning, and chipping. The wheel won't be able to produce the desired size, quality, or shape in the workpiece under certain circumstances. It can be especially dangerous to make a heavy cut too rapidly while face-grinding cemented carbides because the carbide can destroy the wheel face. Heavy cuts during grinding on the periphery may cause the wheel to climb the material and come out of the ground, both of which can harm the wheel. Let the depth of the cut be determined by the grit size. 

The work material can cut the diamond grids if feed rates are not kept consistent with the manufacturer's specifications. It is preferable to utilize a resin-bonded diamond grinding wheel during dry grinding for tools and cutting so that less heat is produced. Without using coolant, these successfully deliver the required productivity. In dry grinds, it is preferable to maintain the speeds and feed rate as opposed to using coolant because the grinding wheel can also be harmed by alternately applying heat and cold. An uninterrupted flow of coolant is preferable to intermittent use when wet grinding.

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