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Principles of Diamond Grinding Wheel Dressing

Diamond grinding wheel dressing method is one of the important factors affecting grinding wheel grinding performance. The proper selection of dressing methods will directly affect the surface quality of workpieces and grinding precision.

From: www.iabrasive.comDate: 2016-07-28 06:16:31Views: 536

The development of fully automatic CNC grinding technology, puts forward higher requirements for its equipment. As one of a complete set of technologies - On-line automatic grinding wheel dressing technology must meet the needs of modern CNC grinding process, and make it develop in the direction of high precision, and full automatic control.

Diamond grinding wheel is widely used as a highly efficient grinding tool in cemented carbide, ceramics, CBN and other superhard materials processing fields.

Diamond grinding wheel dressing method is one of the important factors affecting grinding wheel grinding performance. The proper selection of dressing methods will directly affect the surface quality of workpieces and grinding precision.

Diamond grinding wheel dressing methods that are currently used include: online electrolytic dressing, edm grinding wheel dressing, cup wheel dressing, electrolytic - mechanical composite finishing and laser trimming. Because cup wheel dressing method is simpler and easy to realize than other dressing methods.

For diamond grinding wheel and other superhard abrasive grinding wheel, the dressing is usually divided into two phases: shaping and sharpening. Shaping is to do micro cutting for grinding wheel, which is aimed to remove the shape error and surface defects of grinding wheel after initial installation, to ensure the geometry accuracy of grinding wheel.

Sharpening needs to be done after grinding wheel passivation when it is working for a period of time, in order to make the micro cutting blade to expose bond, and with appropriate height, forming enough chip space between the grain, and make effective abrasive grains per unit area as much as possible.

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