Metal deforming – By deflecting successively-presented portions of work during... – With modification or control of temperature or work – tool or...
Patent
1979-04-26
1981-10-13
Weidenfeld, Gil
Metal deforming
By deflecting successively-presented portions of work during...
With modification or control of temperature or work, tool or...
29173, 72171, 266115, B21D 514
Patent
active
042940982
ABSTRACT:
The present invention relates to an apparatus for manufacturing steel spring leaves. The apparatus incorporates successively arranged entry guide rollers with an inductor in-between, bending rollers, a cooler and exit guide rollers. An additional inductor with cooler is provided between the exit guide rollers to enable surface-hardening of spring leaves. The cooler, additional inductor with cooler and the exit guide rollers are arranged along a circular arc whose radius is that of a specified radius of curvature of the spring leaf.
REFERENCES:
patent: 2542940 (1951-02-01), Pioch et al.
patent: 3303679 (1967-02-01), Cavagnero
patent: 3345727 (1967-10-01), Komarnitsky
patent: 3466202 (1969-09-01), Hrusovsky
Demchuk, "Mechanized Flow Bending and Tempering of Profiled Rolled Stock With Induction Heating", Soviet Publication 967/P, 69831 M31 pp. 26-33.
Egorov Viktor P.
Ognevsky Viktor A.
Orlovsky Anatoly G.
Ostrovsky Grigory A.
Ryskind Alexandr M.
Ramsey K. J.
Weidenfeld Gil
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