MACHINING HEAD AND GROOVE MACHINING APPARATUS
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United States of America Patent
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Oct 1, 2015
app pub date -
Mar 20, 2015
filing date -
Mar 27, 2014
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Abstract
A first head unit 31A has a tool holder 44 movably in a z axis direction on a base 42 through a linear guide 43. Similarly, a second head unit 31B has a tool holder 48 movably in the z axis direction on a base 46 through a linear guide 47. The interval Wa2 in an x axis direction between the tool and the linear guide of the head unit 31A and the interval Wb2 in the x axis direction between the tool and the linear guide of the head unit 31B are different from each other. When alternately arranging the head units 31A and 31B, displacing the positions of the linear guides 43 and 47 from each other to prevent interference makes it possible to narrow a pitch between the head units.
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