PL121118B2 - Method of rolling slabs and bars and working rolls for rolling slabs and bars in more as one pass in a non-rerersing two-high milllki dlja prokatki zagotovok i prutkov bolee,chem v odnom propuske na nereversivnom prokatnom stane duo - Google Patents

Method of rolling slabs and bars and working rolls for rolling slabs and bars in more as one pass in a non-rerersing two-high milllki dlja prokatki zagotovok i prutkov bolee,chem v odnom propuske na nereversivnom prokatnom stane duo Download PDF

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Publication number
PL121118B2
PL121118B2 PL22077479A PL22077479A PL121118B2 PL 121118 B2 PL121118 B2 PL 121118B2 PL 22077479 A PL22077479 A PL 22077479A PL 22077479 A PL22077479 A PL 22077479A PL 121118 B2 PL121118 B2 PL 121118B2
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PL
Poland
Prior art keywords
bars
pass
rolling
rolling slabs
duo
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PL22077479A
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Polish (pl)
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PL220774A2 (en
Inventor
Henryk Osman
Roman Bortnowski
Adam Zurek
Ryszard Kielpinski
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Hutmaszprojekt
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Priority to PL22077479A priority Critical patent/PL121118B2/en
Publication of PL220774A2 publication Critical patent/PL220774A2/xx
Publication of PL121118B2 publication Critical patent/PL121118B2/en

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Description

Przedmiotem wynalazku jest sposób walcowania pretów i kesów w nienawrotnej walcarce duo w wiecej niz jednym przepuscie, oraz odpowiednio uksztaltowane walce robocze.Znane sa sposoby walcowania kesów i pretów w kilku przepustach na walcarkach duo nawrotnych lub trio. W sposobach tych wszystkie przepusty, to znaczy w jedna i w druga strone odbywaja sie z walcowaniem metalu, co wymaga w walcarkach duo kosztownego napedu nawrotnego, a w walcarkach trio kosztownych i wymagajacych glebokich fundamentów oraz zajmujacych duzo miejsca stolów wahadlowych lub podnosnych.Celem wynalazku jest opracowanie sposobu walcowania tych wyrobów na najprostszej, nienawrotnej walcarce, duo, oraz walce umozliwiajace stosowanie tego sposobu.Cel wynalazku osiagnieto przez uksztaltowanie powierzchni roboczej walców w ten sposób, ze obok wykrojów roboczych znajduje sie aa niej dodatkowy specjalny wykrój owymiarach wiekszychod wymiarów najwieksiefo wykroju robocasfo. Przez wykrój tenjest przesuwany pret walcowany w kierunkuprzeciwnym do kierunku wakowania bez kontaktu z walcami.Rozwiazanie takie umozliwia dokonywanie kilku przepustów w nienawrotnej klatce walcowniczej duo, / napedem wspomaganym przez kolo zamachowe rozpedzane w czasie nawrotu materialu podczas ruchu luzem. W porównaniu do znanych rozwiazan zastosowanie wynalazku zmniejsza naklady inwestycyjne wyposazenia mechanicznego i elektrycznego oraz wyrównuje obciazenie sieci zasilajacej naped walcarki.Przedmiot wynalazku jest przedstawiony w przykladzie wykonania na rysunku, na którym fig. 1 przedstawia klatke walcownicza z walcami roboczymi w widoku z góry, z zaznaczeniem przebiegu walcowa¬ nego materialu, na fig. 2pokazanyjest schematycznie przepust roboczy z walcami w przekroju w plaszczyznie I-I, na fig. 1 a na fig. 3 pokazany jest schematycznie powrotny przepust luzem z walcami w przekroju w plaszczyznie II—II na fig. 1.Po pierwszym przepuscie roboczym przez wykrój 2 pokazanym na fig. 2material 3zostaje zatrzymany, a nastepnie przesuniety na os wykroju 4 i przekazany jak na fig. 3przez wykrój 4 na przeciwna strone walcarki.Proces ten jest powtarzany kilkakrotnie.2 12111S Powierzchnia robocza walców 1 jest uksztaltowana w ten sposób, ze posiada jeden lub wiecej wykrojów roboczych 2 oraz jeden wykrój specjalny 4, którego wymiary sa wieksze od wymiarów najwiekszego wykroju roboczego. W wykroju tym material 3 podczas ruchu powrotnego nie styka sie z powierzchnia walców 1 wirujacych w odwrotna strone do kierunku przekazywanego materialu.Zastrzezenia patentowe 1. Sposób walcowania kesów i pretów w wiecej niz jednym przepuscie w nienawrotnej walcarce duo, mmiifn») tym, ze powrót materialu walcowanego (3) po przepuscie roboczym na druga strone walcarki dokonuje sie przez specjalny wykrój (4) walców roboczych (1) bez kontaktu materialu (3)z powierzchnia (1). 2. Walce robocze do walcowania kesów i pretów w wiecej niz jednym przepuscie w nienawrotnej walcarce duo, miiimir ty», ze obok wykrojów roboczych (2)znajduje sie wykrój specjalny (4)o wymiarach wiekszych od najwiekszego wykroju roboczego(2).Fi9.1 0 -0 0 ^ 2A ~WTTW~^0 0- Fi92 !!"M 1 -0- -(P7^ 0- 0 Fi9 3 Pracownia Poligraficzna UP PRL. Naklad 120 egz.Cena 100 zl PLThe subject of the invention is a method of rolling bars and bars in a non-reversible rolling mill a lot in more than one pass, and appropriately shaped working rolls. There are known methods of rolling bars and bars in several passes on multi-pass or trio rolling mills. In these methods, all passages, i.e. back and forth, are carried out with metal rolling, which requires a lot of expensive reversing drive in rolling mills, and in rolling mills a trio of costly and requiring deep foundations and taking up a lot of space shuttling or lifting tables. rolling these products on the simplest, non-reversible rolling mill, a duo, and rolls enabling the use of this method. The object of the invention was achieved by shaping the working surface of the rolls in such a way that, next to the working blanks, there is an additional special blank with dimensions larger than the dimensions of the largest working blank. Through this blank, the rolled rod is moved in the opposite direction to the vacation direction without contact with the rollers. Such a solution enables several passages to be made in a non-reversible rolling stand duo, / driven by a flywheel accelerated during the return of the material during the movement in bulk. Compared to the known solutions, the use of the invention reduces the capital expenditure of mechanical and electrical equipment and equalizes the load on the network supplying the drive of the rolling mill. The subject of the invention is shown in the example of the embodiment in the drawing, in which Fig. 1 shows a rolling stand with work rolls in top view, marked with the course of the rolled material, Fig. 2 schematically shows a working passage with cylinders in the section in plane II, in Fig. 1, and in Fig. 3 there is schematically shown the return passage, loose with cylinders in section in plane II-II in Fig. 1. After the first working pass through the blank 2 shown in Fig. 2, the material 3 is stopped, then shifted to the axis of the blank 4 and transferred, as in Fig. 3, through the blank 4 to the opposite side of the rolling mill. This process is repeated several times. 2 12111S The working surface of rolls 1 is shaped in that it has one or more working blanks 2 and one special blank 4, the dimensions of which are greater than the dimensions of the largest working blank. In the blank, the material 3 does not come into contact with the surface of the rollers 1 rotating in the opposite direction to the direction of the conveyed material during the return movement. of the rolled material (3) after the working pass to the other side of the rolling mill is carried out through a special cut (4) of the working rolls (1) without the material (3) coming into contact with the surface (1). 2. Working rollers for rolling billets and bars in more than one pass in the non-reversible rolling mill duo, miiimir you »that next to the working blanks (2) there is a special blank (4) with dimensions larger than the largest working blank (2) .Fi9. 1 0 -0 0 ^ 2A ~ WTTW ~ ^ 0 0- Fi92 !! "M 1 -0- - (P7 ^ 0- 0 Fi9 3 Printing Workshop of the PRL PRL. Circulation 120 copies Price PLN 100 PL

Claims (2)

Zastrzezenia patentowe 1. Sposób walcowania kesów i pretów w wiecej niz jednym przepuscie w nienawrotnej walcarce duo, mmiifn») tym, ze powrót materialu walcowanego (3) po przepuscie roboczym na druga strone walcarki dokonuje sie przez specjalny wykrój (4) walców roboczych (1) bez kontaktu materialu (3)z powierzchnia (1).Claims 1. The method of rolling ties and bars in more than one pass in the non-reversible rolling mill duo, mmiifn ») in that the return of the rolled material (3) after the working pass to the other side of the rolling mill is made through a special blank (4) of the working rolls (1 ) without the material (3) coming into contact with the surface (1). 2. Walce robocze do walcowania kesów i pretów w wiecej niz jednym przepuscie w nienawrotnej walcarce duo, miiimir ty», ze obok wykrojów roboczych (2)znajduje sie wykrój specjalny (4)o wymiarach wiekszych od najwiekszego wykroju roboczego(2). Fi9.1 0 -0 0 ^ 2A ~WTTW~^0 0- Fi92 !!"M 1 -0- -(P7^ 0- 0 Fi9 3 Pracownia Poligraficzna UP PRL. Naklad 120 egz. Cena 100 zl PL2. Working rolls for rolling billets and bars in more than one pass in the non-reversible rolling mill duo, you know that next to the working blanks (2) there is a special blank (4) with dimensions larger than the largest working blank (2). Fi9.1 0 -0 0 ^ 2A ~ WTTW ~ ^ 0 0- Fi92 !! "M 1 -0- - (P7 ^ 0- 0 Fi9 3 Printing workshop of the Polish People's Republic. Circulation 120 copies. Price PLN 100 PL
PL22077479A 1979-12-24 1979-12-24 Method of rolling slabs and bars and working rolls for rolling slabs and bars in more as one pass in a non-rerersing two-high milllki dlja prokatki zagotovok i prutkov bolee,chem v odnom propuske na nereversivnom prokatnom stane duo PL121118B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL22077479A PL121118B2 (en) 1979-12-24 1979-12-24 Method of rolling slabs and bars and working rolls for rolling slabs and bars in more as one pass in a non-rerersing two-high milllki dlja prokatki zagotovok i prutkov bolee,chem v odnom propuske na nereversivnom prokatnom stane duo

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL22077479A PL121118B2 (en) 1979-12-24 1979-12-24 Method of rolling slabs and bars and working rolls for rolling slabs and bars in more as one pass in a non-rerersing two-high milllki dlja prokatki zagotovok i prutkov bolee,chem v odnom propuske na nereversivnom prokatnom stane duo

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PL220774A2 PL220774A2 (en) 1980-10-20
PL121118B2 true PL121118B2 (en) 1982-04-30

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PL22077479A PL121118B2 (en) 1979-12-24 1979-12-24 Method of rolling slabs and bars and working rolls for rolling slabs and bars in more as one pass in a non-rerersing two-high milllki dlja prokatki zagotovok i prutkov bolee,chem v odnom propuske na nereversivnom prokatnom stane duo

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PL220774A2 (en) 1980-10-20

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