B - Operations – Transporting – 24 – B
Patent
B - Operations, Transporting
24
B
B24B 53/075 (2006.01) B23F 23/12 (2006.01) B24B 53/14 (2006.01)
Patent
CA 2087259
2087259 9203259 PCTABS00010 A tool (42), for dressing both the inside and outside working surfaces (92, 94) of cup-shaped abrasive wheels (28) used for grinding gears, is disclosed along with methods and apparatus for using the tool (42). The working portion of the dressing tool (42) has a cylindrical shape with an outside surface (82) parallel to its axis of rotation and a top surface (84) extending radially, to the axis of rotation. The apparatus orients the tool (42) relative to the grinding wheel (28) so that only the outer cylindrical surface (82) of the tool (42) is used to dress the inside working surface (92) of the grinding wheel (28), while only the top surface (84) of the tool (42) is used to dress the outside working surface (94) of the wheel (28). Formulas are provided for calculating the optimum radius of the cylindrical surface of the tool (42) for providing substantially equal effective relative curvatures between the tool (42) and each of the respective sides of the grinding wheel (28), thereby resulting in similar grinding characteristics being dressed into both the inside and outside working surfaces (92, 94) of the grinding wheel (28).
Gleason Works (the)
Riches Mckenzie & Herbert Llp
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