| 摘要 |
PROBLEM TO BE SOLVED: To easily part a ring member equally, and automatically cut it. SOLUTION: Cutting grooves 25, 26 are formed on an outer circumferential part of a rotary table 12 on which subect ring members S to be cut are installed in accordance with a cutting number to be circularly divided and rotated, positioning pins 29, 30 are inserted to one of positioning holes 27. 28 formed on the single circle of the rotary table 12 in accordance with the cutting number at a cutting position to be fixed, and a cutting grinding wheel 40 is cut into the cutting grooves 25, 26 for cutting. Circularly dividing rotation of the rotary table 12 and fixing by the positioning pins 29, 30 are performed by a control mechanism 50 for repeating cutting by a cutting grinding wheel 41, thereby automatic cutting can be easily performed. |
