Precision machining stage equipment

Details Precision machining stage equipment Precision machining stage equipment

2006-01-31

2006-01-31

Barrera, Ramon M. (Department: 2832)

Electrical generator or motor structure

Dynamoelectric

C310S012060, C318S035000, C318S135000, C318S567000, C318S575000, C355S053000, C355S072000

Reexamination Certificate

active

06992407

ABSTRACT:
A movable table for supporting a work piece is allowed to move on the same plane in arbitrary directions through a table holding mechanism. Also, a feed within the same plane is supplied to the movable table by the electromagnetic driving means. Further, the movable table is stopped by an electromagnetic braking mechanism at an arbitrary position within the same plane. The electromagnetic driving means generates a feed to the movable table by a mutual magnetic effect between driven magnets and driving coils. The electromagnetic braking mechanism includes braking magnets and a nonmagnetic and conductive braking plate. A pair of the braking magnets and braking plate generates braking force by a magnetic effect between a magnetic force by an eddy current generated in the braking plate in accordance with the movement of the movable table and a magnetic force of the braking magnets.

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English Language Abstract of JP 2001-185604.
English Language Abstract of JP 2002-035709.
English Language Abstract of JP 2002-323584.
English Language Abstract of JP 2003-264974.
English Language Abstract of JP 63-206716.
English Language Abstract of JP 1-282493.
English Language Abstract of JP 1-282494.
English Language Abstract of JP 6-323803.
English Language Abstract of JP 6-327222.

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