Abrading – Precision device or process - or with condition responsive... – Computer controlled
Patent
1998-10-01
2000-06-20
Banks, Derris H.
Abrading
Precision device or process - or with condition responsive...
Computer controlled
451 8, 451 9, 451121, 451243, 451251, B24B 4900, B24B 5100
Patent
active
060771461
ABSTRACT:
A taper correcting apparatus for a grinding machine comprises: workpiece supporting means for supporting a workpiece in parallel with a grinding wheel spindle; a cutting and feeding device which moves back and forth a cylindrical grinding wheel with respect to said workpiece; a wheel slide which is attached to a bed so as to be movable back and forth with respect to said workpiece; a pair of grinding wheel bearing pedestals which rotatably support ends of said grinding wheel spindle via bearings with respect to said wheel slide, respectively; a first grinding wheel bearing pedestal support which is fixed to said wheel slide, and which clampingly supports one of said grinding wheel bearing pedestals; a second grinding wheel bearing pedestal support which is attached so as to be rotatable about a round shaft, and which clampingly supports another one of said grinding wheel bearing pedestals, said round shaft being attached below said grinding wheel spindle to said wheel slide in parallel with the center line of said workpiece; a pressurring device which presses said second grinding wheel bearing pedestal support to rotate said second grinding wheel bearing pedestal support about said round shaft, thereby changing a distance between a center of said grinding wheel spindle and a center of said workpiece; and controlling means for controlling a pressing amount of said pressurring device, so that parallelism between a center line of said workpiece and a center line of said grinding wheel spindle is corrected.
REFERENCES:
patent: 3660947 (1972-05-01), Clark, Jr.
patent: 3690072 (1972-09-01), Price
patent: 4094105 (1978-06-01), Hatanaka et al.
patent: 4945683 (1990-08-01), Phillips
Oyabe Yoshiharu
Sasaki Hisao
Sato Masayuki
Banks Derris H.
Nippei Toyama Corporation
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