NICK TREATING DEVICE AND NICK TREATING METHOD FOR ROTOR WITH BOSS

摘要

PROBLEM TO BE SOLVED: To provide a nick treating device for a rotor with a boss capable of easily and uniformly removing nicks on a end face from which the boss of the rotor protrudes, and a nick treating method. SOLUTION: The nick treating device includes a plurality of block-shaped oilstones 2 with a uniform thickness and a disk 3 accommodating oilstones 2, and the disk 3 has the boss accommodating portion 4 accommodating the boss 55 of the inner rotor 51 and the grinding stone accommodating portion 5 accommodating the oilstones 2 securing them flush, and the device is constructed so that the end face 54 of the inner rotor 51 is brought into contact with the oilstones 2 when the boss 55 is accommodated into the above boss accommodating portion 4. The nicks on the end face 54 from which the boss 55 of the inner rotor 1 protrudes can be easily and uniformly removed. COPYRIGHT: (C)2003,JPO