Metal deforming – With use of control means energized in response to activator... – Metal deforming by use of roller or roller-like tool element
Patent
1977-02-18
1978-03-21
Mehr, Milton S.
Metal deforming
With use of control means energized in response to activator...
Metal deforming by use of roller or roller-like tool element
72289, 72279, B21C 112
Patent
active
040796094
ABSTRACT:
A control system for a multi-stage reducing apparatus having a series of material reducing stages through which elongate material is continuously advanced and progressively reduced in cross section. The control system is settable for establishing voltage analog signals representing the cross sections of the material at the plurality of successive stages and an input speed control signal for establishing the speed of the apparatus. A plurality of analog arithmetic units connected for being operated by the cross section signals and the speed control signal provide a plurality of speed reference signals for controlling the speeds of the material at the plurality of reducing stages respectively, each speed reference signal being directly proportional to the speed control signal and to the ratio of the cross sectional area of the material at the final stage to the cross sectional area of the material at the respective stage.
REFERENCES:
patent: 3688546 (1972-09-01), Tranier
patent: 3798940 (1974-03-01), Frostick
Amtel, Inc.
Mehr Milton S.
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