| 摘要 |
PROBLEM TO BE SOLVED: To increase dressing formation speed of a grinding wheel by a table top dresser. SOLUTION: This table top type three head diamond dresser 100 is constituted such that it has one set of block 102 parts holding single grindstone dressers 104, 105 dressing a side face of the grinding wheel on an upper part inclined face of a base 101 having a recessed shape, one set of single grindstone dressers are provided at symmetrical positions for block by inclining on an inner side so that an angleαat which virtual extension lines of head top parts of these single grindstone dressers cross is 90 to 150 degrees and in such a way that a height of the head top part of the single grindstone dresser becomes the same height for a slide table reference face, a distance between head top parts of one set of single grindstone dressers dressing the side face of the grinding wheel and a width of a block recessed part are larger than a width of the grinding wheel to be dressed, a block part 107 holding a single grindstone dresser 106 dressing an outer peripheral face of the grinding wheel is provided on a side face of either 102 of the block parts, and a height of the single grindstone dresser head top part for the slide table reference face is the same as or slightly larger than a height of the head top part of the single grindstone dresser dressing the side face of the grinding wheel.
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