Extrusion billet taper quenching system

Details Extrusion billet taper quenching system Extrusion billet taper quenching system

1993-03-15

1994-07-05

Larson, Lowell A.

Metal deforming

With use of control means energized in response to activator...

Sensing tool or tool-linked part

72271, 72270, B21C 3100

Patent

active

053256948

ABSTRACT:
The specification discloses a dynamic self-adjusting taper quenching system for producing isothermal extrusions in a nonferrous extrusion operation. The quenching system includes a quenching unit, a computer for controlling the quenching unit, and an interface for reading the extrusion press ram pressure. A target quenching profile is stored in the computer. The computer samples the ram pressure during extrusion of a quenched billet and adjusts the target quenching profile for subsequent billets as a function of the sampled pressures.

REFERENCES:
patent: 2639810 (1953-05-01), Doan
patent: 5027634 (1991-07-01), Visser et al.
Biswas et al, "Computer Simulation of Extrusion Press Operation Experience with CADEX, A New Computer Aided Process Optimizing System".
Kelly et al, "Simulated Isothermal Extrusion".
Venas et al, "Isothermal Extrusion Principles and Effect on Extrusion Speed".
Johnen, "Induction Billett Heaters with Hot Log Shears and Integrated Shock Heating System and Self-Contained Induction Shock Heaters".

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