Ultra-precision machine tool

Details Ultra-precision machine tool Ultra-precision machine tool

2008-09-04

2010-12-07

Fridie, Jr., Will (Department: 3724)

Turning

Lathe

With program control

C082S138000, C082S132000

Reexamination Certificate

active

07845257

ABSTRACT:
A five axis motion controlled ultra-precision machine tool is provided in which major portions are composed as a structure completely symmetric about the machining point and errors due to thermal displacement can be minimized. A pair of Y axis guide members (41,41) are secured to the top face of a base (i) at both sides of an X axis slider (3) interposed therebetween for X direction so as to movably guide Y axis sliders (4,4) in horizontal Y direction perpendicular to X axis. Y axis linear motors (42,42) and the Y axis guide members (41,41) are disposed substantially at the center of mass of the Y axis sliders (4,4) respectively, so that the Y axis sliders (4,4) can be driven in Y direction with vibration and errors in alignment minimized.

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patent: 6870286 (2005-03-01), Nakamoto et al.
patent: 7168351 (2007-01-01), Hirayama et al.

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