Importance

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Abstract

A profiling and dressing tool for grinding wheels which are used for the cutting of external threads has a diamond roll with a first circumferentially extending rib at one axial end and a second circumferentially extending rib at the other axial end. One of the ribs is used for preliminary profiling of the grinding wheel, and the other rib is used for final profiling and dressing. The tool can be used for the profiling and dressing of a wide range of grinding wheels having different diameters and grooves of different depths. One of the ribs is idle when the other rib is in use, and vice versa. If the grinding wheel is to be formed with a series of grooves alternating with ribs, each of the selected ribs of the diamond roll is moved radially of and toward the periphery of the grinding wheel, is thereupon extracted, moved axially of the grinding wheel, caused to plunge again into the material of the grinding wheel, and so forth until the profiling is completed. Such profiling is followed by a final profiling or dressing.

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First Claim