Adaptive, self-regulating forging hammer control method

Details Adaptive, self-regulating forging hammer control method Adaptive, self-regulating forging hammer control method

1987-01-05

1987-09-15

Spruill, Robert L.

Metal deforming

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

Sensing tool or tool-linked part

72 8, 72 11, 72 21, 72438, 364472, 91 40, 100269R, B21J 738, B21J 740

Patent

active

046931015

ABSTRACT:
A die forging hammer senses the pressure of striking air and the pressure of lifting air from within the cylinder as well as ram start position. Various empirical information is stored and available to a computer which uses the inputs to compute velocity ram position, rebound velocity and other pieces of information. In order to use the lifting air data, sequential pressure measurements are made by a microprocessor and stored for analysis and for use in deriving from stored empirical information about machine characteristics ram velocity and related information. Three types of systems are interwoven and may be used separately or simultaneously to control the blow control system. Different programs are employed, preferably using algorithms applicable to the equipment in processes to derive desired output or intermediate information.

REFERENCES:
patent: 3142206 (1974-07-01), Hague et al.
patent: 3464315 (1969-09-01), Weyer
patent: 3818799 (1974-06-01), Hague
patent: 3916499 (1975-11-01), Frame et al.
patent: 3930248 (1975-12-01), Keller
patent: 4116122 (1978-09-01), Linder et al.
patent: 4131164 (1978-12-01), Hague et al.

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