Rotary dresser and manufacturing method therefor
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United States of America Patent
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Sep 26, 2017
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N/A
app pub date -
Oct 24, 2012
filing date -
Nov 2, 2011
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Abstract
A rotary dresser includes a cored bar, an electroformed layer, and superabrasive grains fixed to an outer circumferential surface of the electroformed layer, and a plurality of island regions in which a plurality of superabrasive grains is gathered is provided at certain intervals. Since a plurality of the island regions in which a plurality of the superabrasive grains is gathered is provided at certain intervals, the same degree of dressing accuracy can be obtained as in a case in which expensive large superabrasive grains are fixed at a low density using cheap and small superabrasive grains, it is possible to decrease the contact area of a single superabrasive grain, and favorable cutting quality can be obtained.
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