Table apparatus with a feedback scale for a machine tool

Details Table apparatus with a feedback scale for a machine tool Table apparatus with a feedback scale for a machine tool

1996-10-01

1998-09-22

Smith, James G.

Work holders

Holder mounted for movement

Including means to shift holder position

269 55, 269289R, 269 71, 269 73, B23Q 318

Patent

active

058103422

ABSTRACT:
A table apparatus for a machine tool for moving a table along a guide member by a driving mechanism, feeding of the table being controlled by a feedback scale in cooperation with the driving mechanism, the feedback scale having a scale portion and a detecting portion, with opposed vicinal surfaces for accepting the feedback scale defined on the guide member and the table, respectively, the scale portion of the feedback scale being mounted on one of the surfaces, while the detecting portion is mounted on the other.

REFERENCES:
patent: 4013280 (1977-03-01), Chitaya et al.
patent: 4509262 (1985-04-01), Nelle
patent: 4600203 (1986-07-01), Miller et al.
patent: 4628201 (1986-12-01), Schmitt
patent: 5099583 (1992-03-01), Heinz et al.
patent: 5488782 (1996-02-01), Ochiai

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