Mandrel cleaning device for extrusion press

Details Mandrel cleaning device for extrusion press Mandrel cleaning device for extrusion press

1981-05-26

1983-08-23

Larson, Lowell A.

Metal deforming

With cleaning, descaling, or lubrication of work or product

Mechanical cleaning

722531, 72265, 722735, B21C 3506, B21C 2504

Patent

active

043996760

ABSTRACT:
A mandrel cleaning device capable of automatically performing cleaning operation in an extrusion press of the type which has a pressurizing stem for pressing a billet in a container toward a die and a mandrel axially slidable in and relative to the pressurizing stem for determining the internal shape of a hollow extruding material, the mandrel cleaning device having a rotary mechanism for rotating the mandrel about its axis, a grinder mechanism adapted to grind a tip portion at the fore end of the mandrel, and a transfer mechanism for moving the grinder mechanism toward and away from the mandrel.

REFERENCES:
patent: 1084881 (1914-01-01), Gahlen
patent: 2988211 (1961-06-01), Kent et al.
patent: 3260095 (1966-07-01), Flanagan
patent: 3875781 (1975-04-01), Zilges et al.
patent: 3919870 (1975-11-01), Wassen et al.
patent: 4316378 (1982-02-01), Ballasio et al.

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