Metal deforming – By use of closed-die and coacting work-forcer – Forcing work into or within closed die; e.g. – forging
Patent
1978-02-03
1979-10-09
Gilden, Leon
Metal deforming
By use of closed-die and coacting work-forcer
Forcing work into or within closed die; e.g., forging
10 12T, 10 125, 10 13, 10 15, B21D 2200, B21K 144
Patent
active
041701232
ABSTRACT:
A multiple blow, two die metal forming machine having a drive system which is capable, without alteration, of conversion in operational mode between two blows at the first die, one blow at the second die and one blow at the first die, two blows at the second die. The various workpiece transferring elements and ejecting members are activated by the drive system in respective fixed cycles which are compatible with operation in both operational modes. Operations at the second die station are out of phase with those of the first die station by one stroke thereby allowing the transfer of workpieces between the first and second dies to occur over a relatively long period for a reduction of transfer speed and an increase in transfer reliability.
REFERENCES:
patent: 2303780 (1942-12-01), Wilcox
patent: 2599053 (1952-06-01), Friedman
patent: 2721343 (1955-10-01), Friedman
patent: 2768394 (1956-10-01), Ward
patent: 3264664 (1966-08-01), Prulton
patent: 3604242 (1971-09-01), Alleback
patent: 3755839 (1973-09-01), Enody
Gilden Leon
The National Machinery Company
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