LV10934B - Hot rolling method and machine for making steel sheets by casting - Google Patents

Hot rolling method and machine for making steel sheets by casting Download PDF

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Publication number
LV10934B
LV10934B LVP-93-520A LV930520A LV10934B LV 10934 B LV10934 B LV 10934B LV 930520 A LV930520 A LV 930520A LV 10934 B LV10934 B LV 10934B
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LV
Latvia
Prior art keywords
rolling
hot
strip
preforms
rollers
Prior art date
Application number
LVP-93-520A
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English (en)
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LV10934A (lv
Inventor
Wolfgang Dr. Rohde
Juergen Seidol
Original Assignee
Schloemann Siemag Ag
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Application filed by Schloemann Siemag Ag filed Critical Schloemann Siemag Ag
Publication of LV10934A publication Critical patent/LV10934A/lv
Publication of LV10934B publication Critical patent/LV10934B/lv

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/46—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
    • B21B1/466—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting in a non-continuous process, i.e. the cast being cut before rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/24—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
    • B21B1/26—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process by hot-rolling, e.g. Steckel hot mill
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/004—Heating the product
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4998—Combined manufacture including applying or shaping of fluent material
    • Y10T29/49988—Metal casting
    • Y10T29/49991—Combined with rolling

Description

LV 10934
CnOCOB ΠΟΑΥΗΕΗΜΗ rOPHHEKATAHOft CTAJIbHOfi ΠΟ/IOCbl Μ JlEHTOHHAfl PA3JlMBOWHAfl YCTAHOBKA
OnncaHMe H3o6peTeHne othocmtch κ cnoco6y m ycīaHOBKe pnn nonyHeHna ropaneKaTaHoPt cTanbHoii nonocbi M3 οτπμτογο cnocočoM HenpepbiBHoii pa3nnBKM nonocoBoro ncxoflHoro MaTepMana b xoqe cnenyramnx qpyr 3a qpyroM pa6oHnx onepaunii, npiineM nonocoBofi MaTepnan nocne 3aTBepqeBaHna poBonMTca no TeMnepaTypbi ropaneM προκβτκπ m nna pacKaTKM b roTOByio nonocy nopaeTca b ΜΗΟΓΟΚΠβΤβΒΟΜ npOKaTHblM 0Τ3Η.
PaHee y*e npennpMHMManMCb nonbīTKM npoAon>KaTb HenpepbiBHO npoKaTKy Bbixoflaiuero M3 ycTaHOBKM HenpepbiBHoii pa3nnBKM μοχοαηογο MaTepnana. Ho 3aTpyjļHeHHH npn θτομ B03HMKai0T noTOMy, hto MaKCMManbHaa CKopocTb pa3nMBKM, C KOTOpOii 3ar0T0BKa BbtXOflMT M3 yCTaHOBKM HenpepbiBHoii pa3nMBKM, HaMHOrO MeHblue MMHMManbHO B03M0JKH0M CKOpOCTH ΠρΟΚβΤΚΜ ΟδΜΗΗΟΓΟ ΠρΟΚβΤΗΟΓΟ CTaHa, HMeiomero, HanpMMep, ceMb κπβτβϋ.
OTHMTblM B BMfle 33Γ0Τ0ΒΚΜ ΠΟΠΟΟΟΒΟΜ MCXOflHblŪ MaTepMan ΜΜββΤ TOniAMHy B npenenax 25-60 mm. Echm, HanpMMep, McxonMTb M3 ckopoctm pa3HMBKM οκοπο 0,13 m/c npM cpeflHeū τοπιαμηθ nonocbi 40 mm m npennono>KMTb, hto nonocy Heo6xoqnMO npoKaTaTb no 2 mm, to θτο 03HaHaeT yMeHbiueHMe TonujMHbi b neanuaTb pa3. B HenpepbiBHOM pe>KMMe c ycnoBMeM, hto CKopocTb pa3nMBKM paBHa βχοαηομ ckopoctm b nepByio KneTb, b προκβτΗΟΜ CTaHe TaHneMe c ceMbio κπβτπΜΜ CKopocTb Bbixona M3 ποοπβηΗβΜ κπβΤΜ οοοτββμτ nopnpKa 2,67 m/c. Ho MMHMManbHaa BbixonHan CKopocTb npM TonmMHe 2 mm Ha Bbixone M3 nocnepHero Banxa cocTaBnaeT npM6nM3MTenbHO 10 m/c, TaK xax npM MeHbuieM ckopoctm cnMLUKOM 3HaHMTenbHoe ποΗΜχβΗΜβ TeMnepaTypbi penaeT npoKaTKy ηθβο3μο>κηομ. flnn peiueHMH stmx 3anan no HacTonmero ΒρβΜβΗΜ ιιιπμ no neyM nyTHM. Oamh nyrb npenycMaTpMBan 3aMeHy ΜΗΟΓοκπβτβΒοτο HenpepbiBHoro npoKaTHoro craHa φορΜΜρΟΒΟΗΗΟΜ MaillMHOM (HanpMMep, nnaHepHbIM npOKaTHblM CTaHOM), MMetOUieM He6onbiuyio CKopocTb BBoqa b KneTb μ b κοτοροϋ mojkho nonynMTb xopouiee οδχοτπβ (cp. Berg-una Hūtenmānnische Monatshefte,107.Jg.,Seite 199). Ho c noMombK) TaKoii oneHb noporocToaineū KOHCTpyKLiMM no HacToauiero ΒρβΜβΗΜ He nonyneHbi ynoBneTBopMTenbHbie pe3ynbTaTbi, τβκ KaK ηθβο3μο>κηο nonyHMTb paeHOMepHoe κοπμηθοτβο npoKaTKM.
Cnoco6, M3BecTHbiii M3 BbinotteHHOii 3aaBKM ΦΡΓ N 3241745, npenycMaTpMBaeT nna peiueHMH 3anaHM HaMOTKy nonocoBoii 3βγοτοβκμ b 6ym\ KOTopbiū nocne HarpeBa CHOBa pa3MaTbiBaeTcn m nonaeTcn b npoKaTHbifi cTaH nnn ? προκβτκΜ c uenb»o nonyHeHM* κοηθηηογο οθηθημα. (Ipn stom npOKaTHbiii CTaH BbinonHeH b Bupe CTaHa Οτθκκθπα μπμ rpynnbi HHCTOBbix KiieTeii ποποοοβογο ropflnenpoKaTHoro CTaHa. HepocTaTOK stom μ3βθοήομ ycTaHOBKM 3aKniOHaeTCfl, b nepBy»o onepepb, b BbicoKMx KanMTanoBnoKeHMax pnn μηογοκπθτθβογο npoKaTHoro CTaHa TaHpeM, pacxopbi Ha κοτορωίί npeBbiiuaioT 100 μπη. MapoK ΦΡΓ. TaKMe BbicoKHe pacxoflbi mo>kho HecTM TonbKo Torpa, Korpa HenpepbiBHbiii npoKaTHbiii CTaH 6ypeT nonHocTbio 3arpyxeH. ri03T0My b yKa3aHH0M poKyMeHTe πρβρποκβΗΟ nepep HenpepbiBHbiM npoKaTHbiM ct3hom ycTaHOBMTb MHoroHHTOHHyio ycTaHOBKy HenpepbiBHoii pa3nnBKM. BcnepcTBMe 3τογο yBennHHBaiOTC« οδιρΜβ 3aTpaTbi m np0M3B0pHTenbH0CTb yCTaHOBKH, HTO COBCeM ΗΘ Tpe6yeTC« BO ΜΗΟΓΜΧ cnyHanx ΠρΜΜβΗΘΗΜΒ. ll03T0My 3apana HacToamero Μ3ο6ρβτβΗΜη 3aKmosaeTca b tom, htoObi co3paTb cnocofi nonyneHMfl ropaneKaTaHOM CTanbHoii nonocbi m neHTOHHyio pa3nnBOMHyio ycTaHOBKy c ycTaHOBfieHHbiM 3a ηθη nonocoBbiM ropflHenpoKaTHbiM CTaHOM, C nOMOlHb» KOTOpblX MOKHO yCTpaHMTb yKa3aHHbie HepOCTaTKM M 3aTpypHeHM«, a TaioKe pačoTaTb skohommhho, T.e. c ποπηομ 3arpy3Koii npn He6onbLUHX 06teMaX npOH3BOPCTBa, Μ, B HaCTHOCTM, npOM3B0CTM HMLllb HeāOnbUJMe KannTanoBnoxeHHfi. B cooTBeTCTBHM c Μ3θ6ρβτθΗΜβΜ nocTaBneHHan b sacTM cnocofia 3apana peiuaeTCfl b HenpepbiBHOM pe>KMMe MaKCMManbHO b Tpex μπμ neTbipex κπβτπχ c MaKCMManbHbiM o6x<aTMeM, a Heo6xopnMOCTb b pononHMTenbHbix 3aTpaTax Ha ppyrne ycTpoiicTBa OTnapaeT, ripu stom Ha τρθχ-ΗβτωρβχκπβτθΒΜχ cTaHax pocTHraeTca Taxoe xe ο6χοτμθ, KaK m Ha o6biHHbix uiecTH-ceMHKneTeBbix CTaHax. BilO>KeHHfl B HenpepbiBHbiM npOKaTHbIM CTaH MOKHO, T3KMM 06pa30M, 3HaHMTenbH0 yMeHblliHTb ΠρΜ ΟΡΗΟΒρθΜβΗΗΟΜ ΠρΜΒΘΡΘΗΜΜ B ΟΟΟΤΒβΤΟΤΒΜΘ ΤβΧΗΟΠΟΓΜΗβΟΚΜ 3apaHH0M CKOpOCTM npOKaTKM CO CKOpOCTblO pa3flMBKM. Jļo HacToaipero βρθμθημ cneunanncTbi οημτρπμ, hto stot nyTb ΗβΒ03Μ0>κβΗ, TaK KaK 6binn onaceHMn, hto c yMeHbiueHMeM KominecTBa κηβτβίί m yBenMHeHMeM οτθπθημ oā>KaTMa 3a προχορ ηθ 6ypyT BbinonHeHbi τβχΗοποτΜΗβοκΜβ ycnoBMfl. TaKOBbiMM no cymecTBy πβππιοτοβ MaKCMManbHO nepeRaBaeMbiM BpamaioiuMMcn μομθητ, MaKCMManbHO nepepaeaeMoe ycMnMe npoKaTKM (nMHeMHan Harpy3Ka Mexpy onopHbiM m paāoHMM BanKaMM m napaMeTpbi κηβτβΜ) m yron 3axsaTa b pacTBope BanKOB. Ho b οοοτβθτοτβμμ c Μ3θ6ρβτθΗΜβΜ BcnepcTBMe 6onbiuero οβχοτΜη 3a προχορ μ μθηβιιιμχ noTepb Tenna npM yMeHbuieHHOM HMcne κπθτθμ mo>kho 3HanMTenbH0 yMeHbiiiMTb CKopocTb npoKaTKM (ot 10-11 po 4-6 m/c), b pe3ynbTaTe nero yMeHbwaioTcn oāipan npMBopHan MoīpHOCTb m m3hoc ycT3H0BKM, T.e. yMeHbijuaKDTcn pacxopbi Ha sneKTposHeprMio m MexaHMnecKyio sacTb. LV 10934 Πο θφφθκτΜΒΗΟΜγ BapnaHTy ββιποπηθημπ μ3ο6ρθτθημπ npepycMOTpeHo, ητο b nepBbix peyx κπθτπχ paāOTa ocymecTBnneTCH c MaKCMManbHbiM μομθητομ npOKaTKM m SoribiuMM pnaMeTpoM paāonero BanKa. npM stom πρμβοαπτοβ paOonMe BanKn. Υβθπμηθημθ yrna 3axBaTa βοπθαοτβμθ 6onbiuero o6x<aTMn KOMneHCnpyeTca ripu 3tom yBennHeHneM pnaMeTpa paāonero Banxa m yMeHbiueHMeM ckopoctm npoKaTKM, TaK xax μ3βθοτηο, hto B03M0>KH0CTb 3axBaTa yBenMHMBaeTcn c yMeHbiueHMeM CKOpOCTM npOK3TKM. B npyroM BapnaHTe ocymecTBneHMB μ3ο6ρθτθημπ πρμβοα b TpeTbeR μ/μπμ ΗθΤΒθρτοίί κπθτμ ocym0CTBnneTCfl Ha onopHbie Ba/ικμ. Οοο6θηηο uenecoo6pa3eH TaKofi ρθχμμ pa6oTbi npn He3HaHmenbHbix κοηθηημχ οθηθημβχ ημ*θ 2 mm. 3ΦΦθκτμβηο npenycMOTpeHo, hto nepep ββθαθημθμ b npoKaTHbiii cTaH ncxoflHbiii MaTepnaa npoMe>KyTOHHO CKnapMpyeTcn. TaKMM o6pa30M moxcho OnTMManbHO ΠρΜΒβΟΤΜ B ΟΟΟΤΒβΤΟΤΒΜΘ ΤΘΧΗΟΠΟΓΜΗβΟΚΜ 3apaHHbie pa3nMHHbie CKOpOCTM ΠΘΗΤΟΗΗΟΜ pa3HMB0HH0M yCTaHOBKM Μ ΠΟΠΟΟΟΒΟΓΟ ΓΟρΠΗΘΠρΟΚΘΤΗΟΓΟ CTaHa. TaKoti npoMe>KyTOHHbiM HaKoniiTenb μο>κθτ 6biTb npM stom BbinonHeH b Bupe pereHepaTUBHoii πθημ c nonepeHHbiM ομθιαθημθμ οτρθ3κοβ nonocbi μπμ b BUfle ΠρΟΧΟΑΗΟΜ ΠΘΗΜ C ΟΟΟΤΒΘΤΟΤΒΘΗΗΟ āOHbUjeM ΑΠΜΗΟΜ. Οοο6θηηο Menecoo6pa3Ho μ θΦΦθκτμβηο πρμμθηθημθ cnocoča ρππ npOKaTKM y3KMX TOTOBblX ΠΟΠΟΟ UJMpMHOM 1000-2000 MM, npeflnOHTMTenbHO 1350 MM, M c SoribLUMM ycneXOM ΑΠΠ npOKaTKM rOTOBblX ΠΟΠΟΟ MeHbUJeii npOHHOCTM. B HaCTM ΠΘΗΤΟΗΗΟΜ pa3JlMB0HH0ii yCTaHOBKM C pacnonO>KeHHblM 3a ΗΘΜ MHoroKneTeBbiM HenpepbiBHbiM npoKaTHbiM ct3hom 3apana peiuaeTcn nocpencTBOM Toro, hto npoKaTHbiii CTaH coctomt M3 τρβχ μπμ neTbipex npoKaTHbix κπθτθίί. ripu 3tom Bce pačoHMe Banxn npoKaTHoro CTaHa θΦΦθκτμβηο μμθιοτ coācTBeHHbiii npMBop. KpoMe τογο, paāOHMe sanKM nepBbix peyx κπθτθμ MoryT HMeTb cbom npMBOA, a TpeTba μ/μπμ HeTBepTaa κπθτμ MoryT MMeTb npMBop Ha onopHbie Β3ΠΚΜ, B HaCTHOCTM, ΠρΜ πρΟΚβΤΚΘ ΠΟΠΟΟ ΒΟβ ρββΟΗΜΘ Β3ΠΚΜ ΠρΟΚΒΤΗΟΓΟ CTaHa ΜΜΘΠΜ OAMHaKOBbIM ΑΜΘΜΘΤρ. 3Ta Mepa Π03Β0ΠΠΘΤ yMeHblUMTb paCXOflbl no CKnajļMpOBaHMK). flpyrMe neTanM, npM3HaKM m npenMymecTBa μ3ο6ρθτθημη BbinenniOTcn M3 HMX<ecneAyK)mero ποποηθημπ npMMepoB ocymecTBneHMR μ3ο6ρθτθημπ, M3o6pax<eHHbix οχθμθτμηηο Ha Ηθρτθχοχ, KOTOpbie noKa3biBatOT: Φμγ.1 - 6noK-cxeMa ycTaHOBKM no μ3ο6ρθτθημιο, BMfl c6oKy, Φμγ.2 a -d - npMHUMnManbHan AMarpaMMa npOKaTKM b neTbipex κπθτβχ no cnoco6y cornacHO μ3ο6ρθτθημκ>, Φμγ.3 - AMarpaMMa προκβτκΜ αππ o6x<aTMn 3a προχορ b nepBoii κπθτμ, ΦμΓ.4 - AMarpaMMa ΠρΟΚΘΤΚΜ ρππ ΟδΧΟΤΜΒ 3a προχορ BO ΒΤΟρΟΜ ΚΠΘΤΜ, 4 Φμγ.5 - qnarpaMMa npoKaTKM flna οδχοτΜη 3a προχοα β TpeTbeii μ nocneflHeii ΚΠΘΤΜ.
Ha φΐΊΓ. 1 ποθμμμθμ /1/ o6o3HaMeHa nemroHHaa μπμ nonocoean pa3nnB0HHaa ycTaHOBKa, 3a κοτοροϋ yciaHOBneHO nonepesHO-pe3anbHoe ycTpoiicTBO 121, HanpuMep, ra3ope3aTenbHaa MaiuMHa μπμ HOKHMiļbi απη OTpe3aHMn οτπμτομ m BblXOflJUHeii M3 ΠβΗΤΟΗΗΟΜ pa3nMB0HH0M yCTaHOBKH /1/ nonocbi /3/ Ha nacTH oflMHaKOBoii flnuHbi. OTflenbHbie οτρβ3ΚΜ nonocbi /3/ cpa3y xe npOMe>KyTOHHO CKnaflbiBaKDTca b HaKonMTenbHo-HarpeBaTenbHOM ycTpoiicTBe /41, HanpHMep, πθημ c ponHKOBbiM ποαομ, m flOBOflJTrcfl flo oflHopoflHoii TeMnepaTypbi ropnHeii npoKaTKM οκοπο 1050-1100°C. C Bbixoflmueii H3 nesu /4/ nacTM nonocbi /5/ M3BecTHbiM cnoco6oM yaanaioT OKanMHy m npHpafOT eū HOByK) npeflBapmenbHyKD nnnHy (ηθ M3o6pa>KeHo). nocne θτογο οτρθ3οκ nonocbi /5/ npOKaTbmaiOT HanncTO b npoKaTHOM CTaHe /6/, cocToameM M3 τρβχ /μπμ neTbipex/ κπβτβϋ /6', 6"·, 6'7 c ncxoflHoro οθηθημλ jqo κοηθηηογο οθηθημλ. nocne Bbixona M3 nocneflHeii npoKaTHOM κπθτμ /6"'/ npoKaTHoro cTaHa /6/ c TeMnepaTypofi npM Bbixofle 860°C roTOBan nonoca /7/ npoxoflHT yHacTOK oxnax<fleHna /8/ m 3aieM HaMaTbiBaeica noflnonbHoii MOTanKoii /9/ npM TeMnepaType οκοπο 560°C.
Ha (pur.2a-2 cxeMaTMHHo M3o6pax<eHbi o6xaTna 3a προχοη m napaMeipbi npoKaTKM b neTbipex κπθταχ, npH stom Ha och ačcuMce yKa3ano οδχοτΜβ npoKaTbiBaeMoii nonocbi no τοπιιιμηθ ”dh” b mm, a Ha ocm opflMHaT - cyMMa 3φφβκτΜΒΗ0Γ0 MOMeHTa npoKaTKH ”Ma” b kHm.
Ha Φμγ.2β flna nepBoPi κπθτμ TomuMHa πρπ ββοαθ b BanKM nonocoeoro MaTepHana npMHaia 3a 50 mm. MaKCMManbHO nepeflaBaeMbiū μομθητ npoKaTKM /10/ πρπ onpefleneHHOM fluaMeipe pa6onero BanKa /13-17/ nepeceKaeT KaK ropn30HTanbHaa πμημπ KpHBbie /11,12/, πρμηθμ KpMBan /11/ yKa3biBaeT Ha npenen MOMeHTa npoKaTKM npn npMBone Ha onopHbie βθπκμ c κοθΦΦμαμθητομ τρβΗΜΠ m=0,15 m KpHBan /12/ - npeflen MOMeHTa npoKaTKM npM npiiBOfle Ha pa60Hne βθπκμ. Πμημμ oflMHaKOBoro AHaMeTpa pačonero Banxa /13-17/ MflyT, HanpHMep, CHM3y ΒΒβρχ b flnano30He 400-800 mm. ripu Mcnonb30BaHMM ποητμ MaKCMManbHoro MOMeHTa npoKaTKM npH onpefleneHHOM m oTHOCMTenbHo āonbīuoM flHaMeīpe pa6onero Banxa (Me>Kfly πμημημμ 15 h 16) c npMBOflOM Ha pa6oMne BanKH /12/ mojkho BbičpaTb pa6oHyio TOHKy /18/ flna nepBoii κπθτμ TaK, hto o6x<aTMe no TonuiMHe 6yneT cocTaBnnTb, HanpHMep, 26 mm, m ToniHMHa nocne nepBoii κπθτμ cocTaBnnTb 50-26 = 24 mm, m nonoca TaKOM TOniflMHbi 6ypeT BBeneHa bo BTopy»o KneTb. CooTHeceHHoe o6x<aTMe no τοπιαμηθ μπμ 3a προχοπ flocTMraeT npM stom 52%.
Ha Φμγ.2β Π03ΜΜΜΠΜΜ /23-27/ cHOBa noKa3aHbi yBenMHMBa»oinMecn flMaMeTpbi pačoHMx BanKOB b 33bmcmmoctm ot MOMeHTa npoKaTKM m o6>KaTMn no τοπιαμηθ. 5 LV 10934 npM Mcnonb30BaHmi MaKCMManbHo nepeaaBaeMoro μομθητ3 npoKaTKM /20/ bo Βτοροΐί κπθτμ npn npennoHTMTenbHO οαμηθκοβομ pkiaMeTpe pa60HMx ββπκοβ /25-26/ nonyHaeTca paāonaa TOHKa /28/ b npenenbHO nonycTMMOM nnana30He Han πμημθμ nnn MaKCMManbHo nepeaaBaeMoro MOMema προκβτκμ npn npneope Ha pa6oHne BanKM /22/, ho βηθ npenenbHO nonycTMMoro nnana30Ha nnn npMBona Ha onopHbie BanKM /21/ c οδχοτΜβΜ no τοπιηΜΗβ, HanpMMep, 12 mm, no3TOMy ocTaeTcn 24 - 12 = 12 mm, hto cooTBeTCTByeT ο6χοτμιο no ToniHHHe 50%. flonycTMMbiii pa6oHMii nnana30H Me>Kny πμημβμμ /22/ m /20/ orpaHMHeH npM MaKCMManbHbix 3HaMeHnnx οβχοτΜη HanpaBO πμημθμ MaKCMManbHoro yma 3axBaTa /29/.
Ha cļ)nr.2c Π03ΜΙ4ΜΒΜΗ /33-37/ CHoea o6o3HaneHbi yBennHMBaK>mnecfl nnaMeTpbi pa6oMnx eanKOB b 3aBMCMM0CTM οτ μομθητβ προκβτκΜ o6x<aTMn no ToniuHHe. OTperynnpoBaHHoe οβχοτΜβ no τοπιιιμηθ cocTaBnneT b naHHOM cnynae, HanpHMep, 6 mm, a ocTaBuiancn TomiļHHa - 6 mm, hto cooTBeTCTByeT οδχοτΜίο no BbicoTe 50%. Bbi6paHHan pačonan tohk3 /38/ HaxonnTcn nanexo ημ>κθ nepenaeaeMoro μομθητβ προκβτκΜ b npenenbHO nonycTHMOM nnana30He πμημμ MOMeHTa npoKaTKM nnn npMBona Ha onopHbie BanKM /31/, no3TOMy pa6oHne BanKM MoryT npMBonHTcn BbiSopoHHO caMM /32/ μπμ KOceeHHO nepe3 onopHbie BanKM /31/.
Ha Φμγ.2 πο3μι4μβμμ /43-47/ M3o6pa>KeHbi onnHaKOBbie yBennHMBaiomnecn nnaMeīpbi pa60Hnx BanKOB b 3aBncnM0CTM οτ MOMeHTa npoKaTKH m οδχοτΜη no TomiļHHe. Tpe6yeMoe οβχοτΜβ no ToninMHe b naHHOM cnynae cocTaBnneT, HanpHMep, 3 MM C ΚΟΗβΗΗΟΜ ΤΟΠ111ΜΗΟΜ 3 MM, HTO COOTBeTCTByeT ΟβΧΟΤΜΙΟ no BbicoTe 50%. BbičpaHHan pa6oHan TOHKa /8/, kak m Ha Φμγ.2ο, HaxonnTcn 3HaHMTenbHO ημϊκθ MaKCHManbHO nepenaBaeMoro μομθητβ npoKaTKM b npenenbHO nonycTMMOM nnana30He πμημμ MOMeHTa npoKaTKM /41,42/ nnn npMBona Ha pačoHMe m onopHbie BanKM, no3TOMy b naHHOM cnynae pa6onne BanKM, xax m b τρβπ,βϋ κηβΤΜ, μμθιοτ BbiāopoHHO coāCTBeHHbiii npMBon /42/ μπμ πρΜΒοηητοη nepe3 onopHbie BanKM /41,42/ nnn npMBona Ha pačoHMe m onopHbie BanKM, nosTOMy b naHHOM cnynae paāonMe BanKM, KaK m b TpeTbeii κηβΤΜ, μμθιοτ Bbi6opOHHO cočcTBeHHbiM npMBon /42/ μπμ πρΜΒοηητοη nepe3 onopHbie BanKM /41/.
Ha Φμγ.3 M3o6pa>KeHbi pačoHMe napaMeTpbi nnn o6x<aTMn 3a προχοη b nepBoii M3 τρβχ κπβτβϋ b BMne nnarpaMMbi, npMHeM Ha ocm ačcuMcc yxa3aHbi 3HaneHMn ο6χοτμπ no TonmMHe ”dh" npoKaTbieaeMoro MaTepnana b mm m Ha ocm OpnMHaT CyMMa 3φφβΚΤΜΒΗ0Γ0 MOMeHTa npOKBTKM ”Ma” Β kHm. Πθ3Μ11ΜΑΜΜ /53/-57/ o6o3HaneHbi nnaMeTpbi pa6onMx Banoe, yBenMHMBaioinMecn c 400 no 800 mm. npM Mcnonb30BaHMM MaKCMManbHo nepenaeaeMoro MOMeHTa npoKaTKM 1700 kHm /50/ o6pa3yeTcn pačonan TOHKa npM nnaMeTpe pa5oHMX ββπκοβ 710 mm (Mex<ny 56 m 57) b npenenbHO nonycTMMOM nnana30He Han πμημθμ nnn MaKCMManbHo 6 nepeaaBaeMoro MOMema προκβτκΜ npw πρμβοπθ Ha paāonne BanKM /52/, βηθ npeaenbHO qonycTMMoro qnana30Ha qnn npnBoqa onopHbix BanKOB /51/ c ο6χοτμθμ no τοπικμηθ 19 mm, TaK hto ot ToniiļMHbi 41 mm Ha Bxoqe ocTaeTcn TonuļMHa 41 mm -19mm =22 mm, hto cooTBBTCTByeT o6>KaTmo no τοπιιιμηθ 3a προχοη 46,34%. flonycTMMbiM pačOHMii qnana30H Me>Kfly πμημαμμ /52/ m /50/ ηθ orpaHUHeH πμημθμ MaKCHManbHoro yma 3axBaTa /59/.
Ha Φμγ.4 no3HLļMfiMH /63-67/ o6o3HaHeHbi CHoea yBenMHMBaK)inMeca AnaMeTpbi pa6onnx bb/ikob b 3ββμομμοοτμ οτ μομθητβ προκ3τκΜ m ο6χοτμα no TomuMHe. i1pn Mcnonb30BaHMM MaKCMManbHo nepeflaeaeMoro μομθητβ npoKaTKM 1700kHm /60/ bo Βτοροίί κπθτμ npM npeonoHTMTenbHO οαμη3κοβομ qnaMeTpe pa6oHiix BanKOB, KaK μ b πβρΒοίί κηβτΜ 710 mm, /Mex<ny 66 m 67/ nonynaeTcn paSonaa TOHKa /68/ b npenenbHO qonycTMMOM qnana30He Haq πμημθμ qnn MaKCUManbHO nepepaBaeMoro MOMeHTa προκβτκΜ npw npHBOfle Ha paāoHMe BanKM /62/, ho βηθ npenenbHO qonycTMMoro qnana30Ha qnn npMBopa onopHbix BanKOB /61/ c o6>KaTMeM no TonujMHe 14 mm, no3TOMy ocTaeTcn TonuiMHa 22 - 14 = 8 mm, hto cooTBeTCTByeT o6*aTwo 3a npoxoq 63,64%. flonycTMMbiii paāoHMii qnana30H Mex<qy πμημαμμ /62/ m /60/ npM 3HanMTenbHbix οδχοτΜηχ 3a προχοα orpaHMneH HanpaBo πμημθμ MaKCMManbHoro yrna 3axeaTa /69/.
Ha Φμγ.5 Π03Μ14ΜΜ /73-77/ o6o3HaHaiOT πμημμ yBennHMBaiomerocn qnaMeTpa pa6oHnx BanKOB ot 400 qo 800 mm. ChperynMpoBaHHoe 3HaneHMe ο6χοτμβ no ToniiļHHe cocTaBnneT, HanpMMep, 4 mm qnn nonyHeHnn ocTaTOHHOM TonuļMHbi 4 mm, hto cooTBeTCTByeT οδχοτΜίο no BbicoTe 50%. Bbi6paHHan paāoHan TOHKa /78/ pacnono>KeHa c 900 kHm npM ο6χ«τμμ no ToniiļMHe 4 mm 3HanMTenbH0 ημ>κθ MaKCMManbHo nepenaBaeMoro μομθητ3 npoKaTKH b npenenbHO qonycTMMOM qnana30He πμηmm μομθητβ προκβτκμ qnn npnBoqa Ha onopHbie BanKM /He M3o6pax<eHo/ m qnn npnBoqa Ha pačoHMe BanKM /72/. npeflnaraeMbie Μ30δρβτβΗΜβΜ Mepbi He orpaHMneHbi npMMepoM βμποπηθημβ, M3o6pa^<eHHOM Ha nepTe>Kax. TaK, HanpMMep, He Bbixoqn 3a paMKM Μ30δρβτβΗΜη, mo>kho b 0TqenbHbix κηβτηχ ycTaHOBMTb pa6onne BanKM pa3Horo flMaMeTpa m ΓβΟΜΘΤρΜΗβΟΚΟίί φορΜΗ C penbtO 0nTMMM3aUMM OTflenbHblX COCTOHHMM ηβφορΜ3ΜΜΜ, HanpMMep, b ocoSeHHOCTM b nocneqHMx κηβτηχ, a TaioKe TaK Ha3biBaeMbie CMemaeMbie qpyr OTHocMTenbHO npyra BanKM 6yTbinoHHoro TMna qnn HenpepbiBHoro Μ3ΜβΗβΗΜη pacTBopa BanKOB b MecTe M3H0ca BanKOB. CooTBeTCTBytomee KOHCTpyKTMBHoe μοποπηθημθ b οοοτβθτοτβμμ c nocneqytoinMM πρΜΜΘΗβΗΜβΜ ycTpoiicTBa npeflocTaBnneTcn cneiļManMCTy. LV 10934
ΦΟΡΜΥΠΑ H305PETEHMP 1. Cnoco6 ποπυηθημε ropaneKaTaHOM CTanbHOM nonocbi H3 οτπμτογο HenpepbiBHbiM cnocoāoM nonocoBoro μοχοαηογο Maiepnana b χοαθ β^ποπηθημη cneflyK3inux npyr 3a αρυγομ paāonMx onepaijMM, πρμηθμ nonocoBofi MCXOAHbiū MaTepMan nocne 3aTBepAeBaHMn aoboamtca ao TeMnepaTypbi ropaneM npoKaTKu m ΑΠ3 pacKaTKu b Γορ^πγιο nonocy noAaeTcn b μηογοκπθτθβομ npoKaTHbiM ciaH, OTHMHaiOmUŪCfl T0M, HTO C uenbto 0ΗΜ>ΚΘΗΜΑ paCXOAOB M nOBblUJeHUa 3K0H0MHHH0CTH npn He6onbiunx o6teMax npon3BOACTBa pacKaTKy b roTOByto nonocy ocym9CTBnzHDT HenpepbiBHO MaKCMManbHO b Tpex μπμ neTbipex npOKaTHbix ΚΠΘΤΠΧ C MaKCMManbHO B03M0>KHblM θβ>Κ3ΤΜΘΜ 3a ΠρΟΧΟΑ- 2. Cnoco6 ΠΟΠ. 1, ΟΤΠΜΗ a 10 LU, M M c η ΤΘΜ, HTO B nepBblX AByX ΚΠΘΤΑΧ pa6oTy ocyιαθοτβπnkdt c MaKCMManbHbiM μομθητομ npoKaTKM i/i āonbLUMM ΑΜ3ΜΘΤρθΜ pa60HMX Β3ΠΚ0Β. 3. Cnocoč no nn. 1 μπμ 2, OTnMHaioiAMMCfl τθμ, hto b TpeTbeii μ/μπμ ΗΘΤΒθρτοίί κπθτμ npMBOA ocymecTBnaioT Ha onopHbie BanKM. 4. Cnocoā no nio6oMy M3 nyHKT0B 1-3, ornu HaiomuMC^ τθμ, hto nepeA bboaom b npoKaTHbiM CT3H McxoAHbiM MaTepMan noABepraioT npoM©x<yTOHHOMy CKnaAMpoBaHMio. 5. Cnocoā no moāoMy M3 nyHKTOB 1-4, οτπμη3ιοιαμμο?ι τθμ, hto oh ΠρΜΜΘΗΠΘΤΟΗ ΑΠΗ Πρ0Κ3ΤΚΜ y3KMX T0T0BblX ΠΟΠΟΟ UJMpMHOM 1000-2000 MM, npeAnoHTMTenbHO, 1350 mm. 6. Cnocoā no nKDāOMy M3 πγΗΚΤΟΒ 1-5, οτπμηθιοιαμμοπ τθμ, hto oh ΠρΜΜΘΗΛΘΤΟη ΑΠΗ ΠρΟΚΘΤΚΜ ΓΟΤΟΒΜΧ ΠΟΠΟΟ HM3KOM npOHHOCTM. 7. JleHTOHHafl pa3nnBOHHaa ycTaHOBKa c pacnono>KeHHbiM 3a ηθμ MHoro«neTSBbiM HenpepbiBHbiM npoKaTHbiM ct3hom απη ποπγΗΘΗΐ/ΐΛ ropaneKaTaHOM CTanbHOĪi nonocbi M3 οτπμτογο HenpepbiBHbiM cnocoāoM nonocoBoro μοχοαηογο MaTepnana b χοαθ βμπ.οπηθημα cneAytomnx APyr 3a αρυγομ paāonMx onepauMM, πρΜΗθΜ nonocoeoM McxoAHbiii MaTepMan nocne 3aTBepA®BaHMn aoboamtca ao TeMnepaTypbi ropaneM npOKaTKM μ απα pacKaTKM b γοτοβυιο nonocy noAaeTca b npoKaTHbiM CT3H, KOTopan cnyx<MT αππ ocymecTBneHMH cnocoāa no οαηομυ M3 npeALuecTByK)mMx πυηκτοβ, OTHMHaioiuaacfl τθμ, hto npoKaTHbiii ctbh /6/ coctomt M3 τρβχ /6', 6", 6"7 μπμ neTbipex npoKaTHbix κπθτθμ. 8. YcTaHOBKa no n. 7, OTnunaiomancii τθμ, hto Bce paāoHMe BanKM npoKaTHoro CTaHa /6/ CHa6x<eHbi npMBOAaMM. 2 9. yciaHOBKa no π. 7, omuHaioinaacii τθμ, hto pa6oHMe BanKu nepBbix flByx κπθτθμ /6', 67 CHa6>KeHbi npi/iBOflaMM m TpeTbfl /6"7 μ/μπμ HeTBepTaa κπθτμ CHa6>KeHbi npuBOAaMM Ha onopHbie eanKM. 10. yciaHOBKa no πιοδοΜγ M3 nn. 7-9, OTnunaiomajicji τθμ, mto βοθ pa6osne BanKM npoKaTHoro CTaHa /6/ μμθφτ OflMHaKOBbiii fluaMeip. LV 10934 ΡΕΦΕΡΑΤ
JleHTOHHaa pa3nnB0HHafl ycTaHOBKa c pa3MemeHHbiM 3a ηθμ μηογοκπθτθβ^μ
HenpepbIBHbIM npOKaTHbIM CTaHOM Μ3θ6ρΘΤΘΗΜΘ OTHOCMTCfl K Cn0C06y M yCTaHOBKe flna ΠΟΓψΗΘΗΜΒ ropflHeKaiaHoii CTanbHoti nonocbi /7/ H3 οτπμτογο HenpepbiBHbiM cnocočoM nonocoBoro Maiepnana /3/ b xone cneflyK)innx apyr 3a npyroM pa6oHMX onepaLļufi, πρΜΗβΜ nonocoBoii ncxoflHbiii MaTepna/ι 13/ nocne 3aTBepaeBaHMB αοβοαμτοβ no TeMnepaTypbi ropaneii npoKaTKM n nna pacKaTKM b roTOByto nonocy /7/ nopaeica b npoKaTHbiii ct3h /6/, πρΜΗβΜ npoKaTKa ocymecTBrmeTCfl HenpepbiBHO MaKCUManbHO b Tpex μπμ HeTbipex npoKaTHbix κπθτηχ /6', 6", 6'7 c MaKcmvianbHO 6onbLUMM οβχοτΜθΜ 3a προχοα. ripu 3tom b nepBbix AByx κπθτλχ /6', 67 npoKaTKa ocyinecTBnsieTCB c MaKCMManbHbiM μομθητομ προιοτκΜ m āonbujMM anaMeTpoM pa6oHnx BanKOB. Ηθρτθχ: 4)i/irypa 1.

Claims (10)

  1. LV 10934 IZGUDROJUMA FORMULA 1. Metode tērauda sloksnes iegūšanai ar karstās velmēšanas paņēmienu no nepārtrauktas liešanas ceļā iegūtām slokšņu sagatavēm divu secīgu darba operāciju laikā, turklāt pēc sacietēšanas slokšņu sagatavju temperatūru pazemina līdz karstās velmēšanas temperatūrai un velmējamās sagataves ievada daudzvelmju stāvā, kas atšķiras ar to, ka ar mērķi samazināt izdevumus un celt ekonomisko efektivitāti,ražojot nelielos apjomos,sagatavju velmēšanu veic nepārtraukti ne vairāk kā trīs vai četros stāvos ar viena gājiena laikā maksimāli iespējamo apspiedi.
  2. 2. Metode saskaņā ar 1.punktu, kas atšķiras ar to, ka pirmajos divos stāvos darbu veic ar maksimālu velmēšanas momentu un ar liela diametra darba veltņiem.
  3. 3. Metode saskaņā ar 1. vai 2. punktu, kas atšķiras ar to, ka trešajā un/vai ceturtajā stāvā veic atbalsta velņu piedziņu.
  4. 4. Metode saskaņā ar jebkuru no l.līdz 3. punktam, kas atšķiras ar to, ka pirms ievadīšanas velmēšanas stāvā sagataves krauj kaudzēs.
  5. 5. Metode saskaņā ar jebkuru no 1. līdz 4. punktam, kas atšķiras ar to, ka to izmanto šauru gatavu slokšņu velmēšanai 1000-2000 mm platumā, vēlams, 1350 mm.
  6. 6. Metode saskaņā ar jebkuru no 1. līdz 5. punktam, kas a t š ķ ir a s ar to, ka to izmanto gatavu slokšņu velmēšanai ar zemu izturības pakāpi.
  7. 7. Slokšņu liešanas iekārta, aiz kuras novietots daudzvelmju nepātrauktas velmēšanas stāvs tērauda sloksnes iegūšanai ar karstās nepārtrauktās velmēšanas paņēmienu no nepārtrauktas liešanas ceļā iegūtām slokšņu sagatavēm divu secīgu darba operāciju laikā, turklāt pēc sacietēšanas slokšņu sagatavju temperatūru pazemina līdz karstās velmēšanas temperatūrai un velmējamās sagataves ievada daudzvelmju stāvā, kura kalpo metodes realizēšanai saskaņā ar vienu no iepriekšējiem punktiem, kas atšķiras ar to, ka velmēšanas stāvs /6/ sastāv no trim /6',6'',6'''/ vai četriem velmjiem.
  8. 8. Iekārta saskaņā ar 7. punktu, kas atšķiras ar to, ka visiem velmēšanas stāva /6/ darba veltņiem ir piedziņa.
  9. 9. Iekārta saskaņā ar 7. punktu, kas atšķiras ar to, ka pirmo divu velmju /6',6''/ darba veltņiem ir piedziņa, bet trešajam /6'''/ un/vai ceturtajam velmim ir atbalsta veltņu piedziņa.
  10. 10. Iekārta saskaņā ar jebkuru no 7. līdz 9. punktam, kas atšķiras ar to, ka visiem velmēšanas stāva darba veltņiem ir vienāds diametrs.
LVP-93-520A 1986-11-06 1993-06-08 Hot rolling method and machine for making steel sheets by casting LV10934B (en)

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DD262602A5 (de) 1988-12-07
ZA877350B (en) 1989-05-30
BR8705955A (pt) 1988-06-14
RU2057601C1 (ru) 1996-04-10
EP0266564A2 (de) 1988-05-11
US4817703A (en) 1989-04-04
LV10934A (lv) 1995-12-20
JPS63132703A (ja) 1988-06-04
KR960002400B1 (ko) 1996-02-17
DE3777954D1 (de) 1992-05-07
KR880005980A (ko) 1988-07-21
ES2029818T3 (es) 1992-10-01
DE3637893C2 (de) 1996-02-08
ATE74296T1 (de) 1992-04-15
JPH082449B2 (ja) 1996-01-17
EP0266564B2 (de) 1999-07-07
GR3004260T3 (lv) 1993-03-31
MX160204A (es) 1989-12-26
ES2029818T5 (es) 1999-11-16
CN87107665A (zh) 1988-06-29
EP0266564B1 (de) 1992-04-01
LT3832B (en) 1996-04-25
IN170340B (lv) 1992-03-14
CA1320063C (en) 1993-07-13
EP0266564A3 (en) 1988-09-14
LTIP1769A (en) 1995-07-25
DE3637893A1 (de) 1988-05-19
CN1042204C (zh) 1999-02-24

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