Apparatus for automatically performing plural sequential spheric

Details Apparatus for automatically performing plural sequential spheric Apparatus for automatically performing plural sequential spheric

1986-05-22

1989-05-16

Olszewski, Robert P.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51 3, 51124L, 51237T, 51215HM, 279 1A, 279 50, B24B 1300

Patent

active

048297160

ABSTRACT:
An apparatus for automatically performing plural sequential spherical grinding operations on workpieces such as optical lenses includes a machine base, an index table mounted on the machine base for rotation about an axis, a plurality of chuck units supported by the index table at positions equally spaced about the axis for grasping respective work pieces, and a conveyor for sequentially moving the workpieces adjacent the index table. A positioning device is located adjacent the conveyor for positioning sequentially workpieces to be ground at a selected position on the conveyor. A transfer device is positioned adjacent the conveyor and the index table to sequentially grasp individual workpieces at the selected position and transfer such workpieces sequentially to respective of the chuck units as the index table is rotated about the axis. The chuck units grasp or chuck the respective workpieces. A plurality of grinding units are mounted on the machine base at positions above the chuck units. A plurality of workpiece feed units are mounted on the machine base beneath the index table at positions corresponding to and aligned with positions of respective grinding units. Each feed unit clamps a respective chuck unit, rotates the same, and moves the same upwardly from the index table toward the respective grinding unit.

REFERENCES:
patent: 2493206 (1950-01-01), Okey
patent: 3857205 (1974-12-01), Van Hove
patent: 3977131 (1976-08-01), Searle et al.
patent: 4000954 (1977-01-01), Patel
patent: 4171820 (1979-10-01), Klancnik
patent: 4434582 (1984-03-01), Strauss et al.

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