Machine tool
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United States of America Patent
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Apr 8, 2014
Grant Date -
Mar 25, 2010
app pub date -
Mar 11, 2008
filing date -
Mar 13, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
High precision machining is enabled by eliminating the need for a conventional swiveling table, and by enhancing rigidity for supporting a work by relatively reducing the distance from the top surface of a stationary body section (1) to the position for machining a work by means of a tool on a rotary spindle (17). A pair of guide tracks (28a, 28b) respectively passing two positions separated in the X axis direction of the stationary body section (1) and in the Z axis direction intersecting the X axis direction perpendicularly are allowed to guide feed tables (30a, 30b) to be movable independently. A support/feed/turn output member (25) is latched to bridge the feed tables (30a, 30b) on the guide tracks (28a, 28b), one feed table (30a) and the support/feed/turn output member (25) are coupled to rotate relatively about a line in the Y axis direction which intersects perpendicularly both the X axis direction and the Z axis direction, the other feed table (30b) and the support/feed/turn output member (25) are coupled to rotate relatively about a line in the Y axis direction and to displace relatively in a specific direction related to the positions of the both feed tables (30a, 30b), and a means (35) for regulating relative displacement in the specific direction is provided additionally.
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