To balance position inside the 1st and 2nd balance aspect revolution possibly to be installed the rotary section of the balance

摘要

PROBLEM TO BE SOLVED: To provide a method for accurately and automatically stopping the rotational part of a balancing machine in a first and a second balanced positions for dynamic balancing by reducing a speed such that a braking process caused by a measured speed reduction coincides with an angle difference remaining to the second balanced position. ;SOLUTION: Based on a braking reduced speed supplied from a reduction sensor 6, a computer 7 decides a braking process obtained from a braking operation contained by a main spindle 3 and a rotational part fixed thereon. For a balancing operation, the computer 7 executes a braking operation by properly changing the rotational angle of the main spindle such that the end of the confirmed braking process coincides with a desired rotational angle corresponding to a balanced position. When a specified rotational speed threshold value is reached, an interval time ta is read in a timer 8. After the passage of the interval time ta, a switch 9 is opened and the supplying of a current to a motor 1 is cut off. Thus, the main spindle 3 and the rotational part are surely stopped in required rotational angle positions.;COPYRIGHT: (C)1998,JPO