Orderly-micro-grooved pcd grinding wheel for positive rake angle processing and method for making same
a technology of micro-grooves and grinding wheels, which is applied in the field of grinding wheels, can solve the problems of increasing the grinding force ratio, increasing the grinding temperature, so as to improve the holding force prolong and improve the service life of the grinding wheel
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[0040]This application will be further illustrated with reference to the embodiments and drawings.
[0041]Referring to FIGS. 1-4, an orderly-micro-grooved PCD grinding wheel for positive rake angle processing includes a wheel hub 1, a PCD film 2, a plurality of micro-grinding units 9 with a positive rake angle 11 and a plurality of microgrooves 10 with a high depth-width ratio. The PCD film 2 with a thickness of 1-2 mm is deposited on an outer circumferential surface of the wheel hub 1. The microgrooves 10 which have an axial length that is equal to a thickness of the grinding wheel, a circumferential width of 20-50 μm, a depth of 500-800 μm and a depth-width ratio of 10-40:1 are provided on the outer circumferential surface of the PCD film 2. The micro-grinding unit 9 with the positive rake angle 11 is provided between two adjacent microgrooves 10, and the microgrooves 10 and the micro-grinding units 9 are both orderly arranged. When the grinding wheel is configured to grind a workpi...
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