Accession Number : AD0727927

Title :   Forging of Large Pieces in Final Passes,

Corporate Author : FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO

Personal Author(s) : Trubin,V. N. ; Chernikhova,I. Ya. ; Sklyuev,P. V. ; Aleksandrova,N. N. ; Grigorev,I. I.

Report Date : 07 APR 1971

Pagination or Media Count : 13

Abstract : In planning technology for forging large pressed pieces in the final pass, the heating temperature during forging is selected as a rule on the basis of the degree of deformation (forging reduction ratio). Thus, for example, under the conditions prevailing at Uralmashzavod, the metal is heated to a maximum forging temperature of 1200 degrees centigrade in the final pass for a forging reduction ratio greater than 1.5 (1250 degrees centigrade for carbon steels), to 1100 degrees centigrade for a forging reduction ratio of 1.3 to 1.5, and to 1000 degrees centigrade for a forging reduction ratio less than 1.3. This complicates the performance of the technology to a significant degree: it reduces the efficiency of the forging assemblies, promotes the formation of surface defects due to low-temperature forging, and complicates the formation of batches in the reheating furnaces. (Author)

Descriptors :   (*FORGING, *FORGE PRESSES), DEFORMATION, TEMPERATURE, USSR

Subject Categories : Fabrication Metallurgy

Distribution Statement : APPROVED FOR PUBLIC RELEASE