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The Production of Extruded Valves

Aircraft Engineering and Aerospace Technology

ISSN: 0002-2667

Article publication date: 1 June 1940

Abstract

THERE are three processes by which internal combustion engine valves are made, differing chiefly in the initial stages. These are: (1) hand forging by drawing‐down the stem; (2) electric‐upsetting of the head; (3) the extrusion process. In each of the three processes the final shaping of the valve blank is done by stamping between dies in a suitable press.

Citation

(1940), "The Production of Extruded Valves", Aircraft Engineering and Aerospace Technology, Vol. 12 No. 6, pp. 189-190. https://doi.org/10.1108/eb030658

Publisher

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MCB UP Ltd

Copyright © 1940, MCB UP Limited