研削砥石の自動バランス修正装置の開発
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概要
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This paper describes the development of a new type of autobalancer for grinding wheels. It is based upon the principle of centrifugal force method. This equipment consists of an instrument for measuring unbalance and a mechanism for moving two balance weights, which are placed in the wheel flange, while the wheel is rotating with its own spindle. The outlines and the characteristics of the developed autobalancer are as follows : (1) The unbalance of the grinding wheel spindle system is measured using a vibration pickup mounted on the wheel spindle head and a synchroscope while the spindle is rotating at normal operating speed. The magnitude and the phase of the unbalance can be found by the amplitude of the wave displayed on the synchroscope and by the synchronizing signal respectively. (2) Two ring-shaped balance weights are automatically shifted in X and Y directions through two sets of a stepping motor and a feed mechanism while the spindle is rotating until the predermined balancing accuracy is achieved. (3) The performance tests show that the developed equipment is superior to the conventional type of balancer (gravity method) in balancing accuracy and speed, and can be put for practical use.
- 公益社団法人精密工学会の論文
- 1987-08-05
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