Abrading – Precision device or process - or with condition responsive... – Computer controlled
Patent
1995-04-27
1998-01-27
Smith, James G.
Abrading
Precision device or process - or with condition responsive...
Computer controlled
451 6, 451 10, 451 11, B24B 4900, B24B 5100
Patent
active
057116962
ABSTRACT:
An apparatus for machining a workpiece which has a non-revolute symmetrical and aspherical surface with a rotating grinding wheel. The apparatus comprises a workpiece supporting member supporting the workpiece and a wheel head providing the grinding wheel an outer peripheral surface of which takes a form of a part of a spherical shape. The workpiece and the grinding wheel are relatively moved by a first drive mechanism in an infeed direction, the workpiece supporting member and the wheel head are relatively moved by a second drive mechanism in a traverse feed direction perpendicular to the infeed direction, and the workpiece supporting member and the wheel head are relatively moved by a third drive mechanism in a pitch feed direction perpendicular to both of the infeed direction and the traverse feed direction. A truing device is moved by the second drive mechanism in the traverse feed direction relative to the grinding wheel, and has a truing element rotatable about an axis perpendicular to a rotational axis of the grinding wheel through a spherical center thereof. The first, second and third drive mechanisms are controlled by a control device based upon the aspherical shape data for the workpiece.
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Japio Abstract Section M, No. 1494, vol. 17, No. 562, p. 133, Oct. 22, 1993, JP-5-162005, Jun. 29, 1993.
Maeda Yukio
Oasaka Tetsuji
Taniguchi Takao
Banks Derris H.
Smith James G.
Toyoda Koki Kabushiki Kaisha
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