| 摘要 |
PROBLEM TO BE SOLVED: To provide a determination method for a synchronizing position on the basis of all gear engagement without extending recycling time using a special sensor. SOLUTION: In a gear cutting apparatus which performs gear cutting while synchronously controlling a tool motor 18 mounted with a gear-shaped tool 19 and a work motor 15 mounted with a gear 16 to be cut, the tool motor 18 and the work motor 15 are synchronously accelerated with gears engaged with each other. An average of motor torques in an accelerating section of either of them is calculated during the acceleration. A difference between the calculated average and a preset target value is multiplied by coefficient and filtering processing to calculate a correction value. COPYRIGHT: (C)2005,JPO&NCIPI
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