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Adaptive-grinding-control

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Adaptive grinding control

Details

Inventors: Uhtenwoldt, Herbert R.;
Assignee: Cincinnati Milacron-Heald Corporation (Worcester, MA)
Primary Examiner: Whitehead; Harold D.
Assistant Examiner:
Attorney, Agent or Firm: Earl; Jack J., Liles; James D.

A method and apparatus for controlling the infeed of a grinding machine senses the interface force between a grinding wheel and a workpiece to control infeed for grinding a workpiece with diverse grindability characteristics. The infeed is increased in response to an increase in the sensed force until the interface force reaches a predetermined level; while the interface force is decreased to a predetermined level in response to a decrease in the sensed force.

DETAILED DESCRIPTION In accordance with the invention, the interface force between the grinding wheel and a workpiece is varied to accomodate diverse grindability characteristics of the workpiece in order to equalize the metal removal rate and to obtain a strict geometric tolerance.
The interface force between the wheel and the workpiece is sensed.
A signal whose magnitude varies as a function of the sensed force is generated and utilized to increase the interface force to a predetermined level in response to an increase in the sensed force; and to decrease the interface force to a predetermined level in response to a decrease in the sensed force.

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