Table drive for multi-axis machine tool
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 27, 2000
Grant Date -
N/A
app pub date -
Jan 29, 1996
filing date -
Jul 30, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A machine tool comprising a bed, a worktable movable relative to the bed along a linear path and a tool movable to engage a workpiece on the worktable wherein drive means for effecting the movement of the worktable relative to the bed and therefore to the tool comprises a friction drive so as to provide a smooth carriage motion to the worktable. The worktable may be slidable along a slideway which defines the linear path for the worktable and the drive means therefor comprises an elongate member forming a track mounted parallel to the slideway. Wheel means frictionally engages the track and is carried by drive means therefor mounted on the worktable so that the axis of rotaion of the wheel means is fixed in relation to the worktable. The drive means for rotating the wheel means is operable to drive the wheel means in one direction or the other, the rotation of the wheel means and the friction engagement of the wheel means and the track causing the worktable to move in one direction or the other depending on the direction of rotation of the wheel means.
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