２本ロールミルの連続自動運転システムの開発

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書誌事項

タイトル別名
  • Development of Continuous Automatic Operation System of Two-Roll Mill.
  • 2ホン ロールミル ノ レンゾク ジドウ ウンテン システム ノ カイハツ

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To operate a two-roll mill continuously in batch processing, a system which can regulate automatically the clearance between the two rolls is proposed. The system consists mainly of a dial gauge, a photointerrupter, an A/D converter, a microcomputer, a control module, a driver, a pulse-motor and a toothed wheel. The dial gauge is set on the outer surface of the rolls. The photointerrupter connected to the gauge detects the variation in clearance and the output signal is provided to the microcomuter through the A/D converter. The performance program calculates the difference in clearance between the measured and the expected values and sends an input signal to the control module. It transmits a pulse signal for motion command to the driver, which in turn makes the pulse-motor rotate. Finally, the clearance is slightly regulated by the action of the toothed wheel attached to the axes of the pulse-motor and roll handle. We also carried out experiments in the dispersion of fly-ash particles to confirm the dispersion philosophy of the proposed control system. The results show that the system can operate satisfactorily as expected.

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