GEAR GRINDING APPARATUS PROVIDING TOOL MODIFICATION FUNCTION
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United States of America Patent
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Issued Date -
Sep 24, 2015
app pub date -
Mar 19, 2014
filing date -
Mar 19, 2014
priority date (Note) -
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Abstract
A gear grinding apparatus comprises a work-piece stand, a tool stand, a grinding wheel assembly and a modification assembly. The work-piece stand has a first shaft to hold and rotate an unmodified gear. The tool stand is movable along a first axial direction against the work-piece stand and includes a slide member. The grinding wheel assembly is located on the slide member to grind the unmodified gear. The modification assembly is located on the slide member above the grinding wheel assembly and includes a rotary member rotatably mounted on the slide member and having a second shaft rotatable about an axis intersecting the second axial direction at an angle smaller than ninety degrees, a trimmer and a movable arm interposed between the rotary member and trimmer. The trimmer has an oblique deviation displacement and a tool modification displacement. The invention formed can reduce production cost and shrink apparatus size.
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