Metal working – Method of mechanical manufacture – Shaping mating parts for reassembly in different positions
Patent
1974-05-08
1977-10-04
Combs, E. M.
Metal working
Method of mechanical manufacture
Shaping mating parts for reassembly in different positions
29DIG31, 72 38, 72364, B22F 324
Patent
active
040515907
ABSTRACT:
A production, automated method of hot forging finished articles from powder metal preforms, and an apparatus for carrying out the method, wherein the preforms are passed through an induction heating device, whereby they are heated to at least forging temperature. Thereafter, the heated preforms are passed to a pair of dies whereby they are forged into finished articles, after which they are cooled. The entire process may, if required, be conducted in a non-oxidizing atmosphere. The apparatus includes an induction heating means, a forging means, a cooling station, feeding or conveying means to introduce the preforms into the induction heating means, and conveying means to move the preforms from the heating means to the forging means and from the forging means to the cooling station. The entire operation is automatic, including the feeding of the preforms through the apparatus, the control of temperature, and the lubrication and preheating of the dies. Means may be provided to conduct the entire operation in a non-oxidizing atmosphere. Furthermore, the method and apparatus may include the step of and means for sintering the preform so that a production, fully automated system is provided from the compacting press to the finished product.
REFERENCES:
patent: 2449365 (1948-09-01), Bober et al.
patent: 3645728 (1972-02-01), Hrinevich
patent: 3779747 (1973-12-01), Conta
DeWeese Richard L.
Halter Richard F.
Cincinnati Incorporated
Combs E. M.
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