Abstract
As the rapid development and application of microcomputers continues, adaptive control of the plunge grinding process is becoming increasingly applied under shop floor conditions as a method for not only reducing the total grinding costs, but also improving parts quality from both a dimensional and surface integrity point of view. This paper introduces a modular computer control system for plunge grinding developed in Birmingham University. By means of in-process identification of the time constant of the grinding process, a time-optimum adaptive control strategy, based on the accelerated sparkout grinding cycle, has been realised. The main feature of the strategy is the overshoot of the instructed infeed. The total infeed distance is calculated in real-time based on the in-process identified time constant.
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