Abstract

The chatter vibration in grinding differs from that in cutting on the points that the wavinesses are formed on both wheel and work peripheries, which makes it more difficult to solve the grinding chatter behavior. In most centerless grinding operations, however, the waviness is formed only on the work circumference and the theoretically analyzed result can well explain the experimented one. But some cares must be taken here because the special arrangement to support the work in centerless grinding has much affect on the occurrence of chatter. Under the consideration of above features, the present paper states analytically the relation between the growing up speed of self-excited chatter amplitude and the work revoluting speed in centerless grinding, and it is made clear that the amplitude of chatter can be suppressed to build up if the work speed is reduced adaptively in accordance with the occurrence of self-excited chatter vibration.

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