RO81563B1 - Process and device for making crankshaft crankpins - Google Patents

Process and device for making crankshaft crankpins

Info

Publication number
RO81563B1
RO81563B1 RO102731A RO10273180A RO81563B1 RO 81563 B1 RO81563 B1 RO 81563B1 RO 102731 A RO102731 A RO 102731A RO 10273180 A RO10273180 A RO 10273180A RO 81563 B1 RO81563 B1 RO 81563B1
Authority
RO
Romania
Prior art keywords
manikin
making
manikins
punch
molding
Prior art date
Application number
RO102731A
Other languages
Romanian (ro)
Other versions
RO81563A2 (en
Inventor
IOAN CîRLEA
Constantin Melnic
Alexandru Ianu
Original Assignee
IOAN CîRLEA
Constantin Melnic
Alexandru Ianu
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 IOAN CîRLEA, Constantin Melnic, Alexandru Ianu filed Critical IOAN CîRLEA
Priority to RO102731A priority Critical patent/RO81563B1/en
Publication of RO81563A2 publication Critical patent/RO81563A2/en
Publication of RO81563B1 publication Critical patent/RO81563B1/en

Links

Abstract

Inventia se refera la un procedeu si la un dispozitiv pentru realizarea manetoanelor pentru realizarea manetoanelor pentru arborii cotiti frezati, care consta din realizarea unui semifabricat de pornire prin forjare libera si matritat în douafaze separate de matrite permitînd obtinerea unor manetoane cu fibraj continuu si cu dimensiuni apropiate de dimensiunile manetoanelor în stare finita. în prima faza de matritare se realizeaza profilul superior si inferior al manetonului respectiv dupa care în a doua faza de matritare se realizeaza fusul manetonului. Prima faza de prematritare se realizeaza cu o matrita alcatuita dintr-o parte exterioara a carei suprafata interioara este înclinata si în contact cu niste adausuri care împreuna cu un poanson dau forma exterioara a manetonului. Forma definitiva se realizeaza cu un alt poanson.The invention relates to a process and a device for making manikins for making the crankshaft crankshafts, which consists of the realization of a freeform molding blank and molded into two separate molds allowing to obtain continuous and close-sized fiber of the size of the manikins in the finished state. In the first molding stage the upper and lower profile of the manikin is made, after which in the second molding stage the spindle of the manikin is made. The first phase of prematriction is performed with a mold made of an outer part whose inner surface is inclined and in contact with some additions which together with a punch give the outer form of the manikin. The final form is made with another punch.

RO102731A 1980-12-01 1980-12-01 Process and device for making crankshaft crankpins RO81563B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO102731A RO81563B1 (en) 1980-12-01 1980-12-01 Process and device for making crankshaft crankpins

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO102731A RO81563B1 (en) 1980-12-01 1980-12-01 Process and device for making crankshaft crankpins

Publications (2)

Publication Number Publication Date
RO81563A2 RO81563A2 (en) 1983-04-29
RO81563B1 true RO81563B1 (en) 1983-04-30

Family

ID=20109215

Family Applications (1)

Application Number Title Priority Date Filing Date
RO102731A RO81563B1 (en) 1980-12-01 1980-12-01 Process and device for making crankshaft crankpins

Country Status (1)

Country Link
RO (1) RO81563B1 (en)

Also Published As

Publication number Publication date
RO81563A2 (en) 1983-04-29

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