Guide mechanism of machine tool and machine tool
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United States of America Patent
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Dec 19, 2017
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N/A
app pub date -
Oct 27, 2015
filing date -
Oct 28, 2014
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Abstract
A guide mechanism for a machine tool includes a movement member and a guide member in a form of first and second rails the movement member and the guide member relatively movable to each other. A hydrostatic pressure guide mechanism and a sliding guide mechanism are formed between the movement member and the first and second rails. The hydrostatic pressure guide mechanism includes a static pressure chamber, a seal portion sealing a periphery of the static pressure chamber, and a supply passage configured to supply a lubricating oil into the static pressure chamber.
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