RO85602B1 - Process for making shafts and axles - Google Patents

Process for making shafts and axles

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Publication number
RO85602B1
RO85602B1 RO104931A RO10493181A RO85602B1 RO 85602 B1 RO85602 B1 RO 85602B1 RO 104931 A RO104931 A RO 104931A RO 10493181 A RO10493181 A RO 10493181A RO 85602 B1 RO85602 B1 RO 85602B1
Authority
RO
Romania
Prior art keywords
blank
starting
axles
deformed
plastic
Prior art date
Application number
RO104931A
Other languages
Romanian (ro)
Original Assignee
Compagnie Francaise Des Aciers Speciaux
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Compagnie Francaise Des Aciers Speciaux filed Critical Compagnie Francaise Des Aciers Speciaux
Priority to RO104931A priority Critical patent/RO85602B1/en
Publication of RO85602B1 publication Critical patent/RO85602B1/en

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Abstract

Inventia se refera la un procedeu pentru realizarea, prin deformare plastica la cald, în special a osiilor pentru vehicule, de cale ferata; pornind de la un semifabricat cu sectiune circulara, semifabricat care este supus unor faze succesive sau simultane de prelucrare plastica pentru realizarea fusurilor si a portiunilor de fixare a discurilor rotilor respective, procedeul putînd fi utilizat si la realizarea unor axe cu diametre diferite. Procedeul consta din utilizarea unui semifabricat de pornire cu diametru mai mic decît diametrul real al butucilor osiilor respective. Semifabricatul respectiv poate fi deformat plastic, partial, în asa fel, încît materialul din zona fusului este deformat prin întindere, aceste operatii realizîndu-se într-o singura faza a procedeului.The invention relates to a process for carrying out, by hot plastic deformation, in particular of railway vehicle axles; starting from a semicircular semi-manufactured semifinished product which is subjected to successive or simultaneous plastic processing phases for the manufacture of the spindles and the respective parts of the respective discs of the respective wheels, the method being able to be used in the realization of some axes with different diameters. The process consists of the use of a starting blank with a diameter smaller than the actual diameter of the respective axle hubs. The blank may be partially deformed in plastic such that the material in the region of the spindle is deformed by stretching, these operations being carried out in a single phase of the process.

RO104931A 1981-07-20 1981-07-20 Process for making shafts and axles RO85602B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO104931A RO85602B1 (en) 1981-07-20 1981-07-20 Process for making shafts and axles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO104931A RO85602B1 (en) 1981-07-20 1981-07-20 Process for making shafts and axles

Publications (1)

Publication Number Publication Date
RO85602B1 true RO85602B1 (en) 1985-01-30

Family

ID=40903531

Family Applications (1)

Application Number Title Priority Date Filing Date
RO104931A RO85602B1 (en) 1981-07-20 1981-07-20 Process for making shafts and axles

Country Status (1)

Country Link
RO (1) RO85602B1 (en)

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