CS253270B1 - Method of working rolls thermal treatment - Google Patents

Method of working rolls thermal treatment Download PDF

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Publication number
CS253270B1
CS253270B1 CS832013A CS201383A CS253270B1 CS 253270 B1 CS253270 B1 CS 253270B1 CS 832013 A CS832013 A CS 832013A CS 201383 A CS201383 A CS 201383A CS 253270 B1 CS253270 B1 CS 253270B1
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Czechoslovakia
Prior art keywords
working rolls
thermal treatment
working
φορμμ
oil
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CS832013A
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Czech (cs)
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CS201383A1 (en
Inventor
Ernst Waechter
Egon Gruhle
Dieter Link
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Ernst Waechter
Egon Gruhle
Dieter Link
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Application filed by Ernst Waechter, Egon Gruhle, Dieter Link filed Critical Ernst Waechter
Publication of CS201383A1 publication Critical patent/CS201383A1/en
Publication of CS253270B1 publication Critical patent/CS253270B1/en

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  • Heat Treatment Of Articles (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)

Description

HA3BAHHE H30EPETEHHHHA3BAHHE H30EPETEHHH

Cnoco6 TepMtwecKoft o6pa6oTKH pa6onnx BaJiKOB 06naCTb ΠΡΗΜβΗβΗΗΗ Η3θ6ρβΤβΗΗΗ H306peTeHne xacaeTca TepMHuecKoň o6pa6oTKH pa6oHHX βοπκοβ, κοτορκβ πρΗΜβΗΗίοτβΗflJIH Η3ΓΟΤΟΒ.ΠβΗΗΗ nOJIblX προφκπβή H3 MeTaJUia, B HaCTHOCTH CTaJlbHbIX Tpy6Í 3th paSoHne B3jikh, ΗΜβιοοίΗβ φορκγ flHCKa, H3roTOBneHbi H3 JierupoBaHHoft HHCTpyMeH-ranbHoň CTajiH h no hx oxpyxHoCTH ΒκποηκβΗ paBHOMepHbiň hjih HepaBHOMepHbiň npo-Φηββ Kann6pa.Cnoco6 TepMtwecKoft o6pa6oTKH pa6onnx BaJiKOB 06naCTb ΠΡΗΜβΗβΗΗΗ Η3θ6ρβΤβΗΗΗ H306peTeHne xacaeTca TepMHuecKoň o6pa6oTKH pa6oHHX βοπκοβ, κοτορκβ πρΗΜβΗΗίοτβΗflJIH Η3ΓΟΤΟΒ.ΠβΗΗΗ nOJIblX προφκπβή H3 MeTaJUia B HaCTHOCTH CTaJlbHbIX Tpy6Í 3th paSoHne B3jikh, ΗΜβιοοίΗβ φορκγ flHCKa, H3roTOBneHbi H3 JierupoBaHHoft HHCTpyMeH-ranbHoň CTajiH h no hx oxpyxHoCTH ΒκποηκβΗ paBHOMepHbiň hjih HepaBHOMepHbiň npo-Φηββ Kann6pa.

XapaKTepncTHKa nsBecTHbix TexHHuecxHX pemeHHň H3 npaKTHMecKoro πρΗΜβΗβΗΗΗ yxe H3BéCTHo, hto padoHHe sanKH H3 JiernpoBaHHoňHHCTpyMeHTaJibHOň CTajiH noneepraioTca TepMHuecKoň οβρββοτκβ. fljia aroro pa6onHňBanox HarpeBaeTca b nenw λππ TepMHwecKoň οδρββοτκΗ hjih b eonaHoň BaHHe no τβΜ-nepaTypbi aycTeHHTH3anmi. riocne npoH3BeneHHoň aycTeHHTH3anHH paSoHHň sajiox 3aKa-jiHBaeTca. 3aKanxa ocymecTBjíneTCH nocpencTBOM 3axanoaHoro Macna c ycTaHOBneHHbíMTeMnepaŤypHbíM pewHMOM, npn stom pafíowň BanoK noMemaeTCH b ropH3OHTanbHbM nono- ·ΜβΗΗΗ B COOTBeTCTByromyiO BaHHy c 3aK£UIOMHbIM MaCJIOM. Πο HCTeaeHHH HeoCxonHMoro ΒρβΜβΗΗ BbiflepxKH b 3aKaJioMHOM cpencTBe ocymecTBJífleT-ca nanbHeňmHň o-rnycx b nean c nHpKynanueň BO3flyxa hjih nocpencTBOM BoanyniHorooxnasneHHH, Βωβορ oTnenbHbix TeMnepaTyp η ΒρβΜβΗΗ Βκηβρχκκ ocymecTBJíHeTca b 3a-BHCHMOCTH OT M3PKH CTaJIH Η reOMeTpHUeCKOH φορΜΗ ρβ6θΗβΓΟ BaJIKa.XapaKTepncTHKa nsBecTHbix TexHHuecxHX heme H3 npaKTHMecKoro πρΗΜβΗβΗΗΗ yxe H3BéCTHo, hto padoHHe sanKH H3 JiernpoBaHHoHHCTpyMeHTaJibuo CTajiH noneepraioTca TepMHuecKoň οβρββοτκβ. fljia aroro pa6onHanoBanox HarpeBaeTca b nenw Tepππ TepMHwecKoň οδρββοτκΗ hjih b eonaHoň BaHHe no τβΜ-nepaTypbi aycTeHHTH3anmi. yo npoH3BeneHHoň aycTeHHTH3anHH paSoHHn sajiox 3aKa-jiHBaeTca. 3aKanxa ocymecTBbEnTBOM 3PoMaaHoro Macna c ycTaHOBbEmAnDaNDaNDeS pMeHMOM, npn stoP pAnHoM noMemaeTCH b ropH3OHTanbHbM nono · ΜβΗΗΗB COOTBeTCTByromyiO BaHHy c 3aK £ UIOMHbIM MaCJIOM. Πο HCTeaeHHH HeoCxonHMoro ΒρβΜβΗΗ BbiflepxKH 3aKaJioMHOM cpencTBe ocymecTBJífleT b-ca-rnycx nanbHeňmHň a b c Nean nHpKynanueň BO3flyxa hjih nocpencTBOM BoanyniHorooxnasneHHH, Βωβορ oTnenbHbix TeMnepaTyp η ΒρβΜβΗΗ Βκηβρχκκ ocymecTBJíHeTca 3a-b BHCHMOCTH OT M3PKH CTaJIH Η reOMeTpHUeCKOH φορΜΗ ρβ6θΗβΓΟ BaJIKa.

HenocTaTOK 3τογο ocHoBononaraiomero Μβτοηβ 3axnioyaeTCH b tom, hto ne npcTMraeT-ca cooTBeTCTByiomaH xoHTypy h paBHOMepHaa rnySHHa npoKanHBaeMocTH no eceň oxpyx-hocth pa6onero Bahxa b oSnacTH φορΜΜ xajiH6pa. Kopoue rosopa, TBepnocTb noeepx-hocth φορΜω xaJiHGpa MeHbme, mbm TBepnocTb ocTanbHoň noBepxHÓCTH paSonero sanica.3th 06a HBJíeHHH Bbi3biBa»T HepaBHOMepMoe pacnpeneneHHe HanpaweHHň BHyTpn paóoue-ro BaJIKa, cnencTBHeM aero HBJíaeTca HenocTaTOHHMň cpox cnyw6bi P36ohhx Báníc ob, 253270 mto υεπετ κ noBbímeHHoň ceRecTOHMocTH πρκ HaroToBJíeiinH Tpy6 h iiojimx προψιυιείίHOCpeflCTBOM προκθτκιι.Oc τ K τ γ on on on oc oc oc oc oc oc oc oc tom tom tom τ py py py py py py py py py py py py py py py py py py py py py py py py py Kopoue rosopa, TBepnocTb noeepx-hocth φορΜω xaJiHGpa MeHbme, MBM TBepnocTb ocTanbHoň noBepxHÓCTH paSonero sanica.3th 06a HBJíeHHH Bbi3biBa »T HepaBHOMepMoe pacnpeneneHHe HanpaweHHň BHyTpn paóoue-ro BaJIKa, cnencTBHeM aero HBJíaeTca HenocTaTOHHMň epoxy cnyw6bi P36ohhx BANIC ob 253 270 MTO υεπετ κ noBbímeHHoň ceRecTOHMocTH πρκ HaroToBJíeiinH Tpy6 h iiojimx προψιυιείίHOCpeflCTBOM προκθτκιι.

Uenb Η3θϋρετεΗΗπUenb Η3θϋρετεΗΗπ

UeJib H3o6peTeHHn 3aKraonaeTCH b tom, ητο6μ πγτβΜ noBbímeHHH cpona c.Jiywfibi paOonHXB3JIKOB CHH3HTb H3flepjKKH Ha HHCTpyMeHTbl Η, ΤΘΜ C3MMM, CefíeCTOHMOCTb πρΗ Η3ΓΟΤΟΒ“JieHHH Tpy6 h npyrnx nojibix προφΗπείί nocpeflCTBoM προκβτκΗ. H3no»eHHe cymHocTH Η3θ6ρετεΗΗΗUeJib H3o6peTeHHn 3aKraonaeTCH b that ητο6μ πγτβΜ noBbímeHHH CPON c.Jiywfibi paOonHXB3JIKOB CHH3HTb H3flepjKKH Ha HHCTpyMeHTbl Η, ΤΘΜ C3MMM, CefíeCTOHMOCTb πρΗ Η3ΓΟΤΟΒ "JieHHH Tpy6 h npyrnx nojibix προφΗπείί nocpeflCTBoM προκβτκΗ. H3no »eHHe cymHocTH Η3θ6ρετεΗΗΗ

TexHOTeCKaH saflana, pemaeMan nocpeflCTBOM Η3θ6ρετεΗΗΗTexHOTeCKaH saflana, pemaeMan nocpeflCTBOM Η3θ6ρετεΗΗΗ

Ilocjie aycTeHHTH3apHH paSonero Bajixa, πρκ onycKaHHH ero β γορΗ3οητ3πβηομ nojio^e-hhh b 3aKaJioHHyio BaHHy, cjioii oxajiHHbí ηπη Kopxa cojih Bce eme npHHHnaioT κ BbifipaH-Hoň φορΜβ Kann6pa. flocTyn 3aKaJioHHoro cpen,cTBa κ 3T0My MecTy ocnomHHeTca, πτοBbi3MBaeT H30JiHpyiomee fleňcTBHe. KpoMe toto, BbinojineHHafl b pagoneM Báníce (jiopMaKaJinBpa πρκ ropH3OHTajibHOM nojioaceHHH npeflCTaBjíaeT co6oň oSnacTb, b κοτοροή 3a-KanoHHoe cpe,n;cTBo He iiHpKyjiHpyeT ηπη pHpKynHpyeT HenocTaTouHo h naxe h b tomcnynae, Korná cmaTbiň BO3«yx,noflBefleHHbiH H3B6CTHbiM cnocoSoM κ flHHmy 3aKanoHnoro6aKa, πρΗΒορ,Ητ aaKanonHyio BaHHy b cocTOHHne HHTeHCHBHoro flBHxeHHH. 3aflaňa Η3θ6ρετβΗΗπ 3aKnmnaeTčn b nojiyneHHH paBHoMepHoň rnyóHHbí npoKanHBaeMocTHB cooTBeTCTBHH c KOHTypoM h paBHOMepHoro pacnpeflejieHHH HanpnHceHHH πγτβΜ paBHo—MepHoro oxnaxfleHHH aceň noBepxHocTH paSonero Banna.Ilocjie aycTeHHTH3apHH paSonero Bajixa, πρκ onycKaHHH ero β γορΗ3οητ3πβηομ nojio ^ e-hhh b 3aKaJioHHyio BaHHy, cjioii oxajiHHb ηπη Kopxa cojih Bce eme npHHHnaioT κ BbifipaH-Hoň φορΜβ Kann6pa. flocTyn 3aKaJioHHoro cpen, cTBa κ 3T0My MecTy ocnomHHeTca, πτοBbi3MBaeT H30JiHpyiomee fleňcTBHe. KpoMe this, BbinojineHHafl b Pagon BANIC (jiopMaKaJinBpa πρκ ropH3OHTajibHOM nojioaceHHH npeflCTaBjíaeT co6oň oSnacTb b κοτοροή 3a-KanoHHoe CPE n; cTBo He iiHpKyjiHpyeT ηπη pHpKynHpyeT HenocTaTouHo h naxe HB tomcnynae Korn cmaTbiň BO3 "yx, noflBefleHHbiH H3B6CTHbiM cnocoSoM κ flHHmy 3aKanoHnoro6aKa, πρΗΒορ , Ητ aaKanonHyio BaHHy b cocTOHHne HHTeHCHBHoro flBHxeHHH. 3aflaňa Η3θ6ρετβΗΗπ 3aKnmnaeTčn b nojiyneHHH paBHoMepHoň rnyóHHbí npoKanHBaeMocTHB cooTBeTCTBHH KOHTypoM c h paBHOMepHoro pacnpeflejieHHH HanpnHceHHH πγτβΜ paBHo-MepHoro oxnaxfleHHH Aceña noBepxHocTH paSonero Banna.

ÍIpH3HaKH H3O6peTeHHBHpH3HaKH H3O6peTeHHB

CornacHo Η3θ6ρετεΗΗΐο eaaana pemaeTca τηκημ o6pa30M, hto paOoHHH Banox b ropn-3OHTanbHOM nonoweHHH, aycTaHHTH3HpoBaHHbiň b HarpeBaTenbHoň newH ηπη b connHoftB3HHe, B OĎJiaCTH ΒΗΠΟΠΗβΗΗοή B ΗβΜ φορΜΗ KajIH6pa o6pt>I3rHBa8TCH BOpHblM TyMaHOMc noBbímeHHbíM flaBJíeHHeM. 06pw3rHBaHHe ocymecTBjíHBTca β τεπεκπε Taxoro κοροτκο-ro ΒρεΜεΗΗ, mto hh b kobm cnyuae He BO3HHKaeT 3φφεκτ 3aKanKH. 06pbi3rHBaHHeMpiocTHraeTca oTtínaHBaHHe οτ ποΒερχΗοετκ Φορμμ Kann6pa y»e HarpeToro cjioh oKanH-Hbl ΗΠΗ KOPKH COJIH. BjiarOflapH 3TOMy ΒΟ3ΜΟ3Κ8Η HenOCpeflCTBeHHblň KOHT3KT 3aKaJlOH~Horo cpeflcTBa c noBepxHOCTbio φορΜΜ xannSpa. Πρκ nocne^yromeM maře npoyecca -3εκεπκε, paSonnĚ eanoK β γορη3οητ3Ληηομ nonoxcemiH bboahtch b MacjiHHyw 3aKanon-'Hyio BaHHy c ycTanoBjíeHHbíM TeMnepaTypHbíM pexHMOM. ΑοποπΗΗτεΠΒ,ΗΟ κ noBepxHocTHφορΜΗ nannSpa ποπβοηητοη oTuenbHbie CTpyH MacJia c noBbímeHHbíM ^aBjíeHHeM h c yc-TaHOBjíeHHbíM TeMnepaTypHbíM pexHMOM. MacnHHbie CTpyH co3naioTCH nocpencTBOM cne-HHajIbHOH CHCTeMbi COIieJI H HanpaBJíeHbl npH6jIH3HTeJlbHO TaHreHUHajIbHO Ha noBepx-HOCTb Φορμμ KaJiHĎpa. TaKHM o6pa3OM, OTflejibHbie MacnHHbie CTpyH paBHOMepHo pac-npeflejiatoTCH no oKpyxcHocTH pačonero Banxa, TaK ητο φορΜβ nannSpa paBHOMepHo hHHTeHCHBHo npoMbiBaeTCH 3aKanoHHbiM cpeflCTBOM. Hocne 3aKanKH ocymecTBnneTcn ot*nycK b neHH c mipKynnyHeň B03«yxa ηπη β φορΜε npocToro BO3«ymHoro oxnaxneHHH. 06pa6oTaHHbiň TaKHM cnocoOoM paOoHHň Banox ΗΜεετ β φορΜβ KannSpa paBHoMepHyionpoKaJiHBaeMocTb, cooTBeTCTByromyro KOHTypy, no Kpaňneň Mepe, Taným xe TBepflocTb,KaK h b ocTaJibHoň oGjiacTH paSonero Banna h paBHOMepHoe pacnpeneneHHe Hanpuxe-hhh. CpoK enyxcShi o6pa6oTaHHoro TakHM cnocoOoM pa6onero Banna hbho ποβηοηποη. 253270 ΠρΗΜβρ OCymeCTBJíeHHH Η3θ6ρβΤΘΗΗΗ Β xanecTBe pafíonero Banxa ponxeH nopeepraTbCH TepMHPecxoň o6pa6oTxe xonbpeBoňKaJin6p H3 JierHpoBaHHofl HHCTpyMeHTajibHoň cTajw «jih πηπηγρημοβογο CTaHa pnn HsroΤΟΒΠΘΗΗΗ CTaJIbHblX Tpy6 C HapyjKHblM ΑΗβΜβΤρΟΜ OT 50 MM PO 110 MM πρΗ ηρΗΜβΗβΗΗΗMeTOfla COrnaCHO Η3θ6ρβΤβΗΗΚ>. ΠηΗ 3ΤΟΓΟ KOJIbpeBOH KajTHSp B ropH3OHTaJIbHOM noíio-xeHHH aycTeHHTH3HpyeTCH b conHHoň BaHHe. 3aTeM c noMombw CHCTeMbi conen κ oónacΤΗ φορΜΜ KaJIH6pa Β ΤβΜβΗΗβ KOpOTKOTO ΒρβΜβΗΗ, Τ.β. OT 2-X flO 8-MH eexyHfl, nofl-bophtch bophhoH TyMaH c noBbiiueHHbíM paBJíeHHeM. Bnaropapn 3TOMy xopxa cojih, πρηπηπιπβη b oOnacTH φορΜΗ xajiHČpa, oTcnaHBaeTCH, hto cnocoOcTByeT oĎnerneHHio poc-Tyna 3axanonHoro cpepcTBa κ noBepxHocTH φορΜΜ xannOpa. 3φφβκτ 3axanxn nop peň-cTBHeM BopBHoro TyMaHa ne pocTHraeTCH h He CTaBHTCH penbio. nocne ypaneHHH xop-XH COÍ1H KOJIbpeBOH KaJIHSp B ropH3OHTaJIbHOM ΠΟηοΚβΗΗΗ nOMeinaeTCfl B MaCJIHHyK) BaH-Hy c ycTaHOBňeHHbíM TeMnepaTypHbtM pexHMOM. ToTPac nocne no3HpnoHnpoBaHHH xonb-peBoro xannSpa x HeMy c noMombw cnepHaJibHoft, ropH3OHTanbHo pacnonoxeHHoň β3axajioHHoň BaHHe CHCTeMbi conen b oOnacTH φορΜΜ xanHčpa pónonHHTenbHo πορβορητ-ch oTpejibHbie MacpjtHbie CTpyn c noBbmeHHbíM paBJíeHHeM h c ycTaHOBňeHHbíM TeMnepa-TypHbíM pexHMOM, MacnHHbje CTpyn HanpaBJíeHu npH6nH3HTenbHo TaHreHpHanbHo Ha no-.BepxHocTb φορΜΜ xanHĎpa h paBHOMepHo pacnpepeneHbí no oxpyxHocTH xonbpeeoro xa-nn6pa. BnaropapH 3TOMy φορΜβ xanHSpa paBHOMepno npoMbiBaeTcn 3axanoHHbiM cpepcT-bom η b peaynbTaTe 3Toro, a Taxxe npepeapHTenbHoro ypaneHHH xopxn cojih, 3φφβχτ3aKajiKH Ha Bceň noBepxHocTH φορΜΜ xanHOpa no MeHbnieň Mepe tohho Taxoň xe, xaxh Ha ocTanbHoň noeepxHocTH xojibueeoro xannOpa. Πο HCTeneHHH ycTaHOBJíeHHoro epeMeHH 3axaJixH xojibpeBoň xajiHfíp oxnaxpaeTCH Ha eoapyxe. ΦΟΡΜΥΠΑ Η30ΕΡΕΤΕΗΗΛCornacHo Η3θ6ρετεΗΗΐο eaaana pemaeTca τηκημ o6pa30M, HTO paOoHHH Banox b petr-3OHTanbHOM nonoweHHH, aycTaHHTH3HpoBaHHbiň b HarpeBaTenbHoň newH ηπη connHoftB3HHe b B B OĎJiaCTH ΒΗΠΟΠΗβΗΗοή ΗβΜ φορΜΗ KajIH6pa o6pt> I3rHBa8TCH BOpHblM TyMaHOMc noBbímeHHbíM flaBJíeHHeM. 06pw3rHBaHHe ocymecTBjíHBTca β τεπεκπε Taxoro κοροτκο-ro ΒρεΜεΗΗ, mto hh b kobm cnyuae BO He BO3HHKaeT 3φφεκτ 3aKanKH. 06pbi3rHBaHHeMpiocTHraeTca oTtinHBaHHe οτ ποΒερχΗοετκ Φορμμ Kann6pa y »e HarpeToro cjioh oKanH-Hbl ΗΠΗ KOPKH COJIH. BjiarOflapH 3TOMs ΒΟ3ΜΟ3Κ8Η HenOCpeflCTBeHHbl KOHT3KT 3aKaJlOH ~ Horo cpeflcTBa c noBepxHOCTbio φορΜΜ xannSpa. Πρκ nocne ^ yromeM maře npoyecca -3εκεπκε, paSonnê eanoK β γορη3οητ3Ληηομ nonoxcemiH bboahtch b MacjiHHyw 3aKanon-'Hyio BaHHy c ycTanoBHeMeMeMeMeNTiNgTiNg pEXHMOM. ΑοποπΗΗτεΠΒ, κ κ noBepxHocTHφορΜΗ nannSpa ποπβοηητοη oTuenbHbie CTpyH MacJia c noBbímeHHbíM ^ aBjíeHHeM h c yc-TaHOBjíeHHbíM TeMnepaTypHbíM pexHMOM. MacnHHbie CTpyH co3naioTCH nocpencTBOM cne-HHajIbHOH CHCTeMbi COIieJI H HanpaBJeHbl npH6jIH3HTeJlbHO TaHreHUHajIbHO Ha noBepx-HOCTb Φορμμ KaJiHHpa. TaKHM o6pa3OM, OTflejibHbie MacnHHbie CTpyH paBHOMepHo pac-npeflejiatoTCH no oKpyxcHocTH pachonero Banxa, TaK ητο φορΜβ nannSpa paBHOMepHo hHHTeHCHBHo npoMbiBaeTCH 3aKanoHHbiM cpeflCTBOM. Hocne 3aKanKH ocymecTBnneTcn ot * nycK b neHH c mipKynnyHen B03 «yxa ηπη β φορΜε npocToro BO3« ymHoro oxnaxneHHH. 06pa6oTaHHbiň Takhte cnocoOoM paOoHHň Banox ΗΜεετ β φορΜβ KannSpa paBHoMepHyionpoKaJiHBaeMocTb, cooTBeTCTByromyro KOHTypy, well Kpaňneň Mepe, Tanya XE TBepflocTb, KaK h b ocTaJibHoň oGjiacTH paSonero Banna paBHOMepHoe pacnpeneneHHe Hanpuxe H-HHH. CpoK enyxcShi o6pa6oTaHHoro TakHM cnocoOoM pa6onero Banna hbho ποβηοηποη. 253270 ΠρΗΜβρ OCymeCTBJíeHHH Η3θ6ρβΤΘΗΗΗ Β xanecTBe pafíonero Banxa ponxeH nopeepraTbCH TepMHPecxoň o6pa6oTxe xonbpeBoňKaJin6p H3 JierHpoBaHHofl HHCTpyMeHTajibHoň cTajw «South πηπηγρημοβογο CTaHa PNN HsroΤΟΒΠΘΗΗΗ CTaJIbHblX Tpy6 C HapyjKHblM ΑΗβΜβΤρΟΜ OT 50 mm over 110 mm πρΗ ηρΗΜβΗβΗΗΗMeTOfla COrnaCHO Η3θ6ρβΤβΗΗΚ>. ΗΗΗΤΟΓΟΤΟΓΟΤΟΓΟΤΟΓΟΤΟΓΟΤΟΓΟOHOHOHOHOHOHOHOHOHOHHSHSHSp B B B B B B B rop rop rop rop rop B B BOHOHOHOHOHOHOH con con con con con con con conHHHHHHHHHHHHHHHHHHHHHH H 3aTeM c noMombw CHCTeMbi conen κ oonacΤΗ οοβΜΜ KaJIH6pa Β ΜβΜβΗΗβ KOpOTKOTO ΒρβΜβΗΗ, β.β. OT 2 -X108-MH eexylHfl, n-chlorophthophenHMMHHnBbIuHHbMMbHIHHMM. Bnaropapn 3TOMs xopxa cojih, πρηπηπιπβη b oOnacTH φορΜΗ xajiHČpa, oTcnaHBaeTCH, hto cnocoOcTByeT oĎnerneHHio poc-Tyna 3axanonHoro cpepcTBa κ noBepxHocTH φορΜΜ xannOpa. 3φφβκτ 3axanxnop eň T T op op op op op op op op a a a a a a a a a a a a CTaBHTCH penbio. nocne ypaneHHH xop-XH COÍ1H KOJIbpeBOH KaJIHSp B ropH3OHTaJIbHOM ΠΟηοΚβΗΗΗ nOMeinaeTCfl B MaCJIHHyK) BaH-Hy c ycTaHOBbMHeMeMePaTypHbtM pexHMOM. ToTPac nocne no3HpnoHnpoBaHHH xonb-peBoro xannSpa x hemY c noMombw cnepHaJibHoft, ropH3OHTanbHo pacnonoxeHHoň β3axajioHHoň BaHHe CHCTeMbi Conen b oOnacTH φορΜΜ xanHčpa pónonHHTenbHo πορβορητ-chloro oTpejibHbie MacpjtHbie CTpyn c noBbmeHHbíM paBJíeHHeM HC ycTaHOBňeHHbíM TeMnepa-TypHbíM pexHMOM, MacnHHbje CTpyn HanpaBJíeHu npH6nH3HTenbHo TaHreHpHanbHo Ha no-.BepxHocTb φορΜΜ xanHĎpa h paBHOMepHo pacnpepeneHbí no oxpyxHocTH xonbpeeoro xa-nn6pa. BnaropapH 3TOMy φορΜβ xanHSpa paBHOMepno npoMbiBaeTcn 3axanoHHbiM cpepcT-bom η b peaynbTaTe 3Toro and taxxi npepeapHTenbHoro ypaneHHH xopxn cojih, 3φφβχτ3aKajiKH Ha Bceň noBepxHocTH φορΜΜ xanHOpa well MeHbnieň Mepe tohho taxon XE xaxh Ha ocTanbHoň noeepxHocTH xojibueeoro xannOpa. Π H H H y OB Π J Π Π Π Π Π Π Π Π Π Π Π Π Π Π Π Π CT CT CT e e e e e e e e e Ha. ΦΟΡΜΥΠΑ Η30ΕΡΕΤΕΗΗΛ

CnocoČ TepMHnecxoň o6pa6oTXH pa6oHHX BanxoB H3 JierupoBaHHoň HHCTpyMeHTanbHoňCTajiH, npHneM pnn ypaneHHH cjiob oxanHHbí κπη xopxH cojih pa6oHHH BaJiox xpaTxo-ΒρβΜβΗΗο nopeepraeTCH BO3peftcTBHró BopHHoň CToyH c noBbmeHHbíM paBJíeHHBM, a bMacjiHHoň 3axajioHHpň BaHHe - BoapeňcTBHio MacnnHbix CTpyň c ycTaHoBJíeHHbíM τβΜπβ-paTypHbíM pexHMOM h c noBbímeHHbíM paBJíeHHeM, oTjiHnaiomHňCH TeM, ητο Taxan o6pa-6oTxa npoBopHTCH tojihxo b oOnácTH BbinoJiHeHHoň φορΜΜ xannOpa, b to BpeMH xaxnponaH nacTb pa6ouero Banxa nopeepraeTCH HopManbHoň 3axanxe aycTeHH3apHeň hnocnepyiomeň 3axaJixe b Macne. ahhotauhbCnocoČ TepMHnecxoň o6pa6oTXH pa6oHHX BanxoB H3 JierupoBaHHoň HHCTpyMeHTanbHoňCTajiH, nphnami PNN ypaneHHH cjiob oxanHHbí κπη xopxH cojih pa6oHHH BaJiox xpaTxo-ΒρβΜβΗΗο nopeepraeTCH BO3peftcTBHró BopHHoň CToyH c noBbmeHHbíM paBJíeHHBM and bMacjiHHoň 3axajioHHpň BaHHe - BoapeňcTBHio MacnnHbix CTpyň c ycTaHoBJíeHHbíM τβΜπβ-paTypHbíM pexHMOM HC noBbímeHHbíM paBJíeHHeM, oTjiHnaiomHňCH Tem , ητο Taxan o6pa-6oTxa npoBopHTCH tojihxo b oOncTH BbinoJiHeHHoon φορΜΜ xannOpa, b to BpeMH xaxnponaH nacTb pa6ouero Banxa nopeepraeTCH HopManbHoon 3axanxe aTyHH3apHen hnocnepyiomeň 3axaJixe b Macne. ahhotauhb

CnocoG TepMHHecxoň o6pa6oTXH pafioHHx BanxoB Η3θ6ρβτβΗΗβ xacaeTCH TepMHnecxoň o6pa6oTXH paSoHHx BanxoB H3 nerHpoBaHHoň hhctpyMeHTanbHoň CTann pnH Η3ΓοτοΒΠβΗΜΗ ποηκχ προφκηβή H3 MeTanna, no oxpyxHocTHxoTopbix BbinonneH paBHOMepHbiň hbh HepaBHoMepHbiň προφκηΒ xanHfípa.CnocoG TepMHHecxoň o6pa6oTXH pafioHHx BanxoB Η3θ6ρβτβΗΗβ xacaeTCH TepMHnecxoň o6pa6oTXH paSoHHx BanxoB H3 nerHpoBaHHoň hhctpyMeHTanbHoň CTann PNH Η3ΓοτοΒΠβΗΜΗ ποηκχ προφκηβή H3 MeTanna, but oxpyxHocTHxoTopbix BbinonneH paBHOMepHbiň HBH HepaBHoMepHbiň προφκηΒ xanHfípa.

Uenb HsoCpeTeHHH saxníonaeTCH b noBbnneHHH cpoxa cnyx6bi paCoHHX BanxoB η, τβΜCaMblM, B CHHXeHHH Η3ΡβρΧβΧ Ha HHCTpyMeHTbl.Uenb HsoCpeTeHHH saxnionaeTCH b noBbnneHHH cpoxa cnyx6bi paCoHHX BanxoB η, τβΜCaMblM, B CHHXeHHH Η3ΡβρΧβΧ Ha HHCTpyMeHTbl.

Sapana Η3θ6ρβτβΗΗΗ coctoht b noBbnneHHH 3φφβκτ3 3axanxH b oOnacTH BbinonHeHHoňφορΜΜ xanHOpa. K aycTeHHTH3HpoBaHHOMy pafíoHeMy Banxy b ropH30HTanbH0M nonoxeHHH b oOnacTHφορΜΜ xannOpa nopBopHTCH BopnHOň TyMaH c noBbímeHHbíM paBJíeHHeM b TeneHHe κοροτ-xoro ΒρβΜβΗΗ, b peayjibTÓTe pero ypanneTcn npHnHnmHň cnoň oxanHHM ηρη xopxa co·nH, 253270 4 K paÓoneMy BajiKy, HaxoflHmeMycx b ropH3OHTa.nbHOM nojioareHHH b MacjiaHoň 3aKajion-Hoň BaHHe, b oSnacTM φορΜΗ KaJiHópa aonojiHHTeJibHo πο^βο^ητοη oTflejibHbie crpyHMacna c noBbnneHHbíM flaBJíeHHeM, κοτσρωβ HanpaBJíeHbí npH6nH3HTeJibno TaHreHiiHajibHOHa noBepxHocTb φορΜΜ Ka/iHĎpa.Sapana θ3θ6ρβτβΗΗΗ coctoht b noBbnneHHH 3φφβκτ3 3axanxH b oOnacTH BbinonHeHHoňφορΜΜ xanHOpa. The aycTeHHTH3HpoBaHHOMy pafíoHeMy Banxy b ropH30HTanbH0M nonoxeHHH b oOnacTHφορΜΜ xannOpa nopBopHTCH BopnHOň TyMaH c noBbímeHHbíM paBJíeHHeM b TeneHHe κοροτ-XORO ΒρβΜβΗΗ, b peayjibTÓTe pen ypanneTcn npHnHnmHň cNon = oxanHHM ηρη what xopxa · nH, K 4 253 270 paÓoneMy BajiKy, HaxoflHmeMycx b ropH3OHTa.nbHOM nojioareHHH b MacjiaHoň 3aKajion-Ho BaHHe, b oSnacTM φορΜΗ KaJiHópa aonojiHHTeJibHo πο ^ βο ^ ητοη oTflejibHbie crpyHMacna c noBbnneHHbíM flaBJíeHHeM, κοτσρωβ HanpaBJíeHbí npH6nH3HTeJibno TaHreHiiHajibHOHa noBepxHocTb φορΜΜ Ka / iHĎpa.

IlpH3HaHO Η3θ6ρβΤβΗΗβΜ ΠΟ pesyJIbTaTaM 3KCnepTH3M, OCymeCTBneHHOň BeflOMCTBOM no«enaM H3o6peTeHHň h πητβΗτοβ TflP. 253270IlpH3HaHO Η3θ6ρβΤβΗΗβΜ ΠΟ pesyJIbTaTaM 3KCnepTH3M, OCymeCTBneHHOm BeflOMCTBOM noNo H3o6peTeHHn h πητβΗτοβ TflP. 253270

Claims (1)

PŘEDMĚT VYNALEZU Způsob tepelného zpracování pracovních válců z legova-né nástrojové oceli, pro válcování trubek, při kterémse k odstranění vrstvy okují nebo solí na pracovní vá-lec krátkodobě působí proudem tlakové vody načež se volejové kalící vaně otryskává tlakovým olejem, vyzna-čující 3e tím, že se na pracovní válec takto působí pouze v oblasti kalibru, přičemž současně se ostatní částipracovního válce podrobí austenitizaci a následnému ka-lení v oleji.OBJECT OF THE INVENTION The process of heat treatment of working rolls of alloyed tool steel, for rolling of tubes, in which a pressurized water jet is applied for a short time to remove the scale or salt layer from the working vessel and then blast the quenching tank with pressurized oil. that the working cylinder thus acts only in the area of the caliber, while at the same time subjecting the other parts of the processing roll to austenitization and subsequent rolling in the oil.
CS832013A 1982-04-30 1983-03-24 Method of working rolls thermal treatment CS253270B1 (en)

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DD23946982A DD224182A3 (en) 1982-04-30 1982-04-30 METHOD FOR THE HEAT TREATMENT OF WORK ROLLERS

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CS201383A1 CS201383A1 (en) 1985-06-13
CS253270B1 true CS253270B1 (en) 1987-10-15

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