Helical part manufacturing apparatus and control method thereof
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United States of America Patent
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Mar 20, 2012
Grant Date -
Dec 11, 2008
app pub date -
Jun 3, 2008
filing date -
Jun 5, 2007
priority date (Note) -
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Abstract
This invention provides an apparatus for manufacturing a helical part by feeding a wire W toward a pointing tool 21 and pushing the wire W against the pointing tool 21 to forcibly wind the wire. The apparatus comprises: a feed roller 12 for feeding the wire W toward the pointing tool 21; a wire feeding motor 111 for rotatably driving the feed roller; a grindstone tool unit 30, which holds a discoid grindstone 31 rotatable and movable, for cutting the wire W by the rotating discoid-grindstone 31; and a CPU 100 for controlling the wire feeding motor 111 and grindstone tool unit 30 to move the discoid grindstone 31 on a plane which is substantially perpendicular to a coil growing direction of the helical part and to cut the wire W in a direction which is substantially perpendicular to the coil growing direction.
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