Glass manufacturing – Processes – With measuring – sensing – inspecting – indicating – or testing
Patent
1981-07-08
1983-05-10
Kellogg, Arthur D.
Glass manufacturing
Processes
With measuring, sensing, inspecting, indicating, or testing
65163, 65164, 65DIG13, 364473, 364476, C03B 940
Patent
active
043828108
ABSTRACT:
A programmable control signal generator controls the overall speed of an I.S. machine, the timing of sequential functions of each individual section, and the relative phasing of the IS machine sections. A time-based drive signal, derived from the time base signal of the programmable control signal generator, is applied to a stepper motor which is coupled to a gob feeder and plunger mechanism and a conveyor mechanism through respective gear reducers. The pulse repetition rate of the drive signal is controlled manually from an operator's speed control station or automatically from a computer to establish and vary the machine speed. The programmable control signal generator also provides a timing signal, coordinated with the drive signal, to time the sequential functions of the sections as a function of the number of elapsed time increments into which a machine cycle is divided. The timing signal has a pulse repetition rate which is preferably a calculated ratio of the repetition rate of the drive signal. In addition, the programmable control signal generator provides a cycle reference signal, coordinated with the drive signal, to control phasing of the sections. The reference signal has a pulse repetition rate which is preferably a calculated ratio of the repetition rate of the timing signal.
REFERENCES:
patent: 4007028 (1977-02-01), Bublitz et al.
patent: 4145205 (1979-03-01), Farkas et al.
patent: 4152134 (1979-05-01), Dowling et al.
patent: 4162909 (1979-07-01), Peters
The Application of the GEM Microprocessor System to Industrial and Process Control, R. S. Webb, Jun. 1981, Glass Technology, vol. 22, No. 3, pp. 113-117.
Ball Corporation
Kellogg Arthur D.
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