| 摘要 |
As illustrated, a formed grinding wheel dresser 4 is moved toward a formed grinding wheel 2 and is caused to make approach to it up to a prescribed position in the infeed direction thereof. After the formed grinding wheel dresser 4 has approached the prescribed position, the formed grinding wheel dresser 4 is moved rightward in the thicknesswise direction of the formed grinding wheel 2 and thereby determines a position dzl that is attained when having contacted with the formed grinding wheel 2. Next, the formed grinding wheel dresser 4 is moved leftward and thereby determines a position dz2 that is attained when having contacted with the formed grinding wheel 2. A target position X of the formed grinding wheel dresser 4 in the thicknesswise direction is determined based on the thus-determined both positions dz1 and dz2. The current position of the formed grinding wheel dresser 4 is positionally aligned with the thus-determined target position X. Thereafter, the formed grinding wheel dresser 4 is advanced in the infeed direction to thereby perform infeeding of the formed grinding wheel 2.
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