CS248281B1 - Tantalum carbide containing cutting insert from metal-ceramic hard alloy - Google Patents

Description

PeHcyman BCTma H3 coflepacamero xapSHfl TaHTana MeTannoKepaMHnecKoro TBepfloro cnnaBa 06naCTb ΠρΗΜβΗΘΗΗΗ Η3θ6ρβΤβΗΗΗ Η3θ6ρβτβΗΗβ KacaeTcn peacymeň βοτηβκη H3 coflepncamero Kap6nfl TaHTana methane JiOKepaMHwecKoro TBepfloro cnnaBa b ocoČeHHocTH, flnn o6pa6oTKH cTann, NPH ΗβΜ HCXOflH H3 H3BeCTHbIX MeTaJIJIOKepaMHUeCKHX TBepflblX CnnaBOB H3 KapĎHflaBOJih4> PAMA h / hjih xapChhla THTaHa c no MeHbmeň Mepe oahhm MeTannoM. rpynnbiwene3a b xanecTBe ochobhoto cnnaBa.

XapaKTepHCTHxa H3BecTHt> ix TexHHnecKHX peraeHnň M3BecTHH peHcymne bct3bkh H3 MeTannoxepaMunecKoro TBepfloro cnnaBa Ha ocho-B6 Kap6Hffa BonbifcpaMa η / ηηη xapSHfla THTaHa c xoSanbTOM b xanecTBe CBH3yw-nero BemecTBa, KOTopue coflépacaT nerHpyiomHň aneMeHT xapčHfl TaHTana, 6naro-flapn unwashed noBumaeTcn TepMOCToňxocTb. B peacymHX BCTaBKax c ochobhmm cnna-bom, He coflepacamitM xapČHfl TaHTana, polyacetal npn oTHocHTenbro hhskhx TeMnepaTyp-Hbix Harpy3xax Ha pexcyméň κροΜκβ HHCTpyMeHTa o6pa3yroTCH rpeSeuiKOBbie TpenyiHbí, BcneflCTBHe Nero ooh polyacetal nocne xpaTKOBpeMeHHoro ncnonb3OBaHHn noMaioTca hnpejKflespeMeHHo npHxoflHT HeroflHocTb b. OC OC ac OC OC bí bí bí bí bí n n n n n n n n n n n n n n n n pa pa φ φ a a a a a a a a a Ha stom ochob3hhh cneííHanbHbie φρβ3βροΒ3ηΒΗΜθ TBepflbieMeTannw flnn o6pa6oTKH CTánH ημθιοτ Bbicoxoe coflepncaHHe KapÓHfla TaHTana. B TBepflbix MeTannax Ha ocHose xaphHlaf THTaHa c xapfIHflOM TaHTana η ΗΗκεηπb xanecTBe CBH3yiomero BemecTBa 6naroflapn npnnocaflKe nernpyiomero 3neMeHTaxapSHfla TaHTana flocTHraeTca ynynineHHe τθρμοοτοηκοοτη.

Hapnfly c 3thmh ripeHMymecTBaMH ynynnieHHofl TepMocToňKoeTH pencymHX BCTaBOKH3 MeTannoxepaMHnecKoro TBepfloro cnnaBa, coflepxcamero xapBHfl TaHTana, CNE-flyeT yqecTb MTO PENB HfleT of TaHTane XAX peflKOM aneMeHTe, NPH flo6bine koto-poro ρβ3κο BO3pacTaroT 3aTpaTbi h xaK cneflCTBHe, 3aTpaTbi Ha xanHTanbHbieBnoaceHHH, HTO cooTBeTCTBeHHo ΒηΗΗβτ Ha ypoBeHb pacxoflOB Ha H3roTOBneh 248281 2 HHCTpyMeHTOB ΜΗ npHM6HeHHH T3KHX pexyHHX BCTaBOK. IL-STOMYYNOPO-H3BOfHTHyne. cTaHKOB mojkho 3BM6THTL · cTpeMneHHe npon3BOflHTb τηκηθ pexynpieBCTžtBKH, KOTopue 6ω ue conepxanH COBCO ηπη conepxanH He3HanHTenbHbie npn-Mech Kap6n # and TaHTana h no bo3mojkhocth 6binn 6ω H3HococToňKHMn h ημθηη ČbiTaKHe pexymne CBoňcTBa, xax pexymne bct3bkh H3 MeTannoKepaMHnecKoro TBep-Floro cnnaBa, coflepxamero Kapónfl TaHTana. ·

Taxo 3aMen <ehhe 6bino ocymecTBJíeHo b peacymeii βοτββκθ H3 MeTannoKepaMHnec-Koro TBepfloro cnnaBa b οοοτβθτοτβηη c AT-PS 276 792, r / is KapóHfl TaHTana3aMeHeH Ha TBepnbiň pacTBop H3 KapSnfla hho6hh h KapóHfla ΓβφΗκη, πρηηθμ xap-6nfí hho6hh floraeH coflepxaTb 30% KapÓHAa TaHTana . Ho sto, oflHaKO, n0Ka3a.no, O nOflXOflamaH TepMOCTOHKOCTb HMeeTCH TOJIbKO Ha ΗΗ3ΠΙΗΧ CTyneHHHX ΠρΗΜΘΗβ-hhh 3aMemeHHoro Kap6n, qa. Peacyupie bct3bkh, b kotopom Ha TyronnasKOM 3Tane3aMemeHo 30% Kap6nfla TaHTana, noKa3broaioT noBbnneHHe xpynKocTH npnBO3pacTaHHH flOJiH 3aMemeHHoro cnojKHoro KapSHfíí. TaK κβκ, κροΜβ τογο, coflep-acaHHe Kap6nna TaHTana b cjkbkhom Kap6nae γηΦηηη / ηηο6ηη eme OTHOcHTenbHo bh-coko 3th pexymHe bct3bkh He HBJiaioTcn xopohihm pemeHHe saMemeHHH.

CornacHo DE-1247 671 npennonaranocb tarace noBbicHTb TBepnocTb noBepxHocTHoro cNon = TBepflocnjiaBHbix ifcacoHHbtx neTaneH well cpaBHeHHio cepnneBH c HX-hon TSM, ητο nopontKOBan CMecb H3 κοτοροή H3roTaBJiHBaeTcn Φηοοηηηη fleTanb b oSnacTH noBepxHocTHoro cNon = hMenu 6ω 6onee BbicoKyw KOHfleHTpaflHio tskhxTBepflbix cnnaBOB K3K KapčHfl BOJib paMa, Kap6nfl TaHTana, KapchHfl THTaHa ,. neMb cepnneBHHe. 3to npexyioationHne 6bino, oflHaKo, οτκηοΗβΗο BcneflCTBue noHBneHHHxpynKocTH TBepnoro cnnaBa b noBepxHocTHOM cnoe. B GB-PS 1467 181 onHCbnaaeTcn pexyqHn HHCTpyMeHT H3 Kap6nna ΒοηπφρβΜβ, koto-Pbbi xapaKTepH3yeTcn nocTeneHHo nHcMiyHflHpyioiuHM Ha cBoen noBepxnocTH MeTan-noM rpynnbi IV B ηπη YB nepHOflHnecKon CHCTeMbi sneMeHToB. ΠρΗ npoflecce ΑΗφ-φy3HH Hyach nonynHTb HenocpeflCTBeHHo nOFL noBepxHocTbio pexymero HHCTpyMeHTaBoccTaHOBneHne Kap6Hfla ΒοηΒφρβΜβ οοηοβηογο MaTepnana h o6pa3OBaHHe ch-'βΗΛΟΒ ηηφφνΗηΗροΒΗΗΗΗχ MeTannoB rpynnbi IVB ηπη VB (k npHHaflnexHTh TaHTan HHM). B ηβπομθηηη cynpiocTH H3oópeTeHnn npennonaraeTcn, ητο o6pa-3yrom [HHCH ηοηπφρβΜ BCTynaeT b φβ3ν CBH3yiomero MeTannah noBbmiaeT TeMnepa-Typy ee nnaBneHHn. B HenocTaTOK that ητο αηΦΦυβηη MeTannoB rpynnw IV BHnu VB Ha ocHOBe TBepfloro MeTanna KapčHfla βοπβΦρημ3 HMeeT cneflCTBHeM Boc CTanoBneHHe φ33Η Kap6n # and ΒοηΒφρηΜβ, npnneM Kap6nfl βοπηΦρ3μη.β φβ3β κο-SanbTa nepeflaeT yrnepofl caMoo6pa30Bt> iBaiomeMycH KapSHfly. CHCTeMe W (Co) C πρηβοαητ, κβκ HšBecTHO, κ o6pa3OBaHHro T3K Ha3biBaeMoňη-φββω, HanpHMep, κ oSpagoBaHHio Co3W9C. 06pa3OBaHne stoà onacHoň b TéxHHKeTBepflbix MeTannoB ηβφβκτΗοή φβ3ω πρηβοαητ to HapymeHtno bh3Kocth b φ33β Coe-Αηηθηηη MeTannoB η πρη 3τομ to noHBneHHio xpynKocTH b φορΜβ H3 TBepfloro Me-tannate, H3-3a Nero BcneflCTBHe HH3Koň yflapocToňKocTH she CTaHOBHTcn HenpH-roflHoň flnn TAKORA npaKTHnecKoro npHMeHeHna, κβκ cHHTtie MeTannnnecKoftcTpyxKH.

Uenb Η3θ6ρβΤβΗΗΒ

Henb H3o6peTeHHH coctoht b CHHxeHHH pacxoflOB Ha cupbe 6es ymep6a jyw skc-nnyaTannoHHbix KanecTB nnn pe »; H3nojKeHne cyntHoCTH n3o6peTeHnn B ocHOBe Η3θ6ρετβΗΗΗ neacHT 3anana cospamb b pe «ymHX BCTaBKax to ocHOBexap6H.ua ΒοηΒφρ3Μ3 η / ηπη KapÓHna THTaHa What cBnayióiHHM MeTannoM rpynnu Xena · aa HB nerupyjonnix aneMeHTax KapGuna TaHTana conepxaHHe KapSHfla TaHTana 248281 ΠΟ CpaBHeHHK 3) C H3BeCTHbIMH peatyiIfllMH BCTaBKaMH 3ΤΟΓΟ BH and H COXpaHHTb C0On-KocTb peacymer HHCTpyMeHTa h ero TepMocroKocTb.

CornacHo Η3θ6ρβτβΗΗω, 3TA 3aflana pemaeTCH c noMómbio this, HTO KpaeBaa3OHa peacymeň βοτββκη coctoht H3 ochobhoto MeTannoKepaMHnecKoro TBepflorocnnaBa, but HeH3MeHHoro CBoeň KpHCTannHnecKóň CTpyKType c nerHpoBaHHbíMKapSuflOM TaHTana b npouecce BOCcTaHOBneHHH πρκ o6pa3OBaHHH TBepfloro TBopa-pac. Πο npHHHHaM CTafíHJibHocTH peacymeň kpomkh flenecoo6pa3HO, ητοδω TonmHHaKpaeBoň 3OHbi H3 MeTannoKepaMHnecKoro TBepfloro FLH (J) 4) y3HOHHoro cnnaBa C NO-BbímeHHbíM coflepacaHHeM Kap0Hfla TaHTana cocTaBnnna rpm flo 10 800 mkm, npefl nonTHTeflbHee OT-20 η, ο 200 mkm. flpyran oGnacTb πρημθηθηηη peacymnx BCTaBOK c HacbímeHHOH coraacHO H3o6peTe-HHto Kap6HflOM TaHTana KpaeBoň 3OHoň oSycnoBneHa τθμ, ητο Ha HacbímeHHoňKapĎHflOM TaHTana Kpaesoň 3OHe peacymeň BCTaBKH HaneceHbí HSHococToňKHe no-BepXHOCTHbie CnOH H3 Kap6HflOB, HHTpHflOB, 6opHflOB η / ηΠΗ OKCHflOB.

KaK cornacHo Η3θ6ρετθΗΗΐο cneflyeT H3 βτογο pemeHHH ocHOBononararaueň 3afla-hh peatyinan BCTaBKa flonama o6pa3OBbiBaTbcn H3 ochobhoto MeTannoKepaMHnec-κογο TBepfloro cnnaBa H3 KapGnfla BonbýpaMa η / ηπη KapSnfla THTaHa c πομοπιβιοno MeHbmeň Mepe oflHoro CBH3yiomero MeTanna rpynnbi acene3a, npHHflHnHanbHaaCTpyKTypa κοτοροτο Ha6raoflaeTČH bo bcbm nonepenHOM ceneHHH η κοτορβΗ Hacw-meHa KapChHflOM TaHTana TonbKO b orpaHHHHoo KpaeBoň 3OHe. 3to o6oraiueHHexapSHflOM TaHTana ocymTBnneTCH c noMombto flHIxJH3HOHHoro nerHpoBaHHn, T.e.6naroflapn pacTBopeHHio KapSHfla TaHTana b Tax Ha3biBaeMo KpHCTannHnecKOHpeiueTKe οοηοβηογο cnnaBa. B KanecTBe taxon KpHCTannHnecKóň ρβπιετκΗ flnnKap0Hfla TaHTana πρηγοαημ KpHCTannw TBepflbix cnnaBOB η / ηπη TBepflbie pacTBopbi b KOTopbix KapSHfl TaHTana MoaceT pacTBopnTbcn: HanpHMep, κηρ6ηα τητηηβ, TBepflbie pacTBopbi KapSHfla βοπβΦρ3μη / κ3ρ6ηα3 THTaHa ηπη TBepflbie pacTBOpbiKap0Hfla THTaHa / KapSHfla MonnSfleHa. H ε om H H H H H ε ε ε ε ε ε ε ε ε ε ε ε ε ε ε ε ac ac ac ac ac ac 0 0 0 0 0 0 0 0 0 0 0

TexHonorHH η3γοτοβπθηηη peacynpix BCTaBOK cornacHo Η3θ6ρβτεΗΗΚ> npoTexaeT'raKHM o6pa3OM, Hanan ήτα b c cooTBeTCTBHH očbmHOH TexHonorHeň ΤΒβρη, ωχcnnaBOB H3roTaBnHBaioTCH H3flenHH H3 MeTannoKepaMHnecKHx TBepflbix cnnaBOB bφορΜε cóoTBeTCTByromHX pexymnx BCTaBOK. -Ha nepBoHH npou; ecca Ha noBepxHocTb H3flenHH H3 T ο τ T 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 -10 -10 -10 -10 -10 -10 -10 -10 -10 -10 -10 -10 -10 Ha Βτροή CTaflHH NPO-hs flecca H3flenHH MeTannoKepaMHnecKoro TBepfloro cnnaBa, ποκρωτωβ cnoeM Kap-0Hfla TaHTana, noflBepraroTcn TepMoo6pa6oTKe b ηηθρτηοη ηπη BoccTaHOBHTenb-hon βΤΜοοφερε NPH TeMnepaType Bbnne τηπηπηοη flnn cnnaBa sBTeKTHnecKoňTeMnepaTypu. 3ra TeMnepaT6Hi6HtTiHiNHNHnHHnHHnHHnHHnHHnHHHnHHnHnHnHnHnHnHnHnHnHnHnHnHnHnHnHnHnHnHnHnHnHnHnHnHnHnHnHnHnHnHnHnHnHnHnHnHnHnHnHnHnHnn Π κ τ M M M M on on on on on on on H H H H H H H H H H H H H 3 3 pa pa pa pa pa pa pa pa pa pa pa pa pa B cooTBeTCTBHH c sthm cneflyeT ycTaHOBHTb Taxation BpeMn 06-pa6oTKH. 248281 4 ÚTcrafla cjiefly? T ητο b 3aBHcnMocTM ot ochobhotg cnnaea, τοππιηηη HaHeceHHoronoBepxHocTHoro cnoa H3 Kap6Hfla TaHTana η πρημθηηθμογο TeMnepaTypHo-BpeMeH-Horo pexHMa NPN TepMoo6pa6oTKe b KpáeBoň 3OHe peacymeÉ bct3bkh ycTaHaB-jiHBaercH 4ia3OBoe paBHOBecne, HTO hbjihgtch peiuaiomuM «South očnacTH pexymeňKpOMKH HHCTpyMeHTa.

Peacymne BCTaBKH cornacHO θ3θ6ρετεΗΗΐο c nerupoBaHHoM KapHHlOM TaHTana Kpae-BOH 3OHOn ΠΟ CBOHM φΗ3ΗΊθΟΚΗΜ CBOHCTBaM ρΗΒΗΟΡβΗΗΗ peHCyiHHM BCTaBKHM, COC * τοΗΐίξΗΜ nojiHocTbio on MerannoKepaMHnecKHx cnnaBOB H3 KapoHfla TaHTana. ΠοcpaBHeHHio c nocneflHHMH ohh HMeroT to npeuMymecTBO, ητο cymecTBeHHo coKpa-maioTcn pacxoflba Ha cwpbe Snaronapn npuMeHeHHio He3HanHTenbHoro KonunecTBaflopororo KapSHfla TaHTana. ΠρΗ 3KcnepHMeHTanbHoft o6pa6oTKe pe3aHneM 6wnoycTaHOBneHo, Uto pexyinne bct3bkh cornacHO Η3θ6ρετεΗΗΐο b oco6eHHocTH, npHýpe3epoBaHHH CTaneň η οδτοηκε Ha tokhphom CTaHKe c npepbiBHCTbiM peaaHHeMηπη c cnnbHo KoneBmomHMHcn Harpy3KaMH peacyiueň kpomkh očHapyxHBaioT 3Η3ηη ~ TaribHo MeHbniyio CKnoHHocTb κ oópa30BaHHio rpeČenncoBbix τρεπξΗΗ, NEM cpaBHHMbiec hhmh pewyqHe βοτηβκη, cocTonnpie nonHocTbio H3 cnnaBa TBepfloro MeTannaKapoHfla TaHTana.

IIpHMepbl OCymeCTBnpHHH H3oCpeTeHHB

Pots Ha Tpex npHMepax ocyinecrBneHHH oSmchhiotch H3roTOBneHHe, cTpyKTypah CBOHCTBa peacynpix bct3bok cornac H3o6peTeHHio: IIpHMep 1:

BbmonHeHHbie b KanecTBe noBopoTHbix pexynpix nnacTHHOK H3flenHH H3 MeTannoxe-paMHnecKHx TBepflbix cnnaBOB, coctojhuhx H3 MeTannoKepaMHnecKoro TBepflorocnnaBa, coflepacamero 82% KapčHfla BonbýpaMa, 9% xapÓHfla THTaHa h 9% Ko6anb-Ta, noKpbiBaioTCH c πομοπρμο MeTofla HaHeceHHn ποκρητηη H3 ra3OBoň φβ3Η (CVD) cnoeM KapčHfla TaHTana τοηπξΗΗοϋ 8 mkm. Ilocne nero ποκρωτωε sthm cnoeMH3flenHn H3 MeTannoKepaMHnecKHx TBepflbix cnnaBOB nofleepraioTCH TepMoo6pa6oT-xe npH 1320eC b BaxyyMe. HccneflOBaHHe H3roTOBneHHbix τηκημ o6pa3OM ποβο poTHbix-PE) Kyin; c Hx nnacTHHOK noMombio aneKTpoHHonyneBoro MHKpo3OHfla noKa3ano, ητο b 6nH3KOH o6nacTH pexymeň kpomkh Kpaesoň 3OHe τοηπξΗΗΟΗ npH6nH3HTenbHo80 mkm coflepacanocb npH6nH3HTenbHo 12% Kap6H.ua TaHTana. CBoťícTBa nonyneHHbix cornacHO Η3θ6ρετεΗΗΐο noBopoTHbix peacyiUHX nnacTHHOK6binn onpeneneHbí ποΜοπρ c, h ιο npoóHoň oÓtohkh cpaBHeHW what CBořtcTBaMH ποβο-poTHbix peacymHx nnacTHHOK H3 nonnocTbio nerHpoBaHHbrx KapSnfloM TaHTana methane ηοκερβΜΗηεοκΗχ TBepflbix cnnaBOB, coctojhuhx H3 74.5% WC, 5% TiC, 12% Tacho 8 , 5% Co.

YcnoBHH HcnbiTaHHH: 4 nmunBKH H3 CTann C 60 c flHaToM 80 mm nofleepranHCb nonepenHofl οδτοηκεH3HyTpH Hapyacy. CKOpOCTb pG3aHHH! V = 60 M.MHH * 4ofoflan: s = 0.5 mm / o6. HHaH3HHn: a = 1 mm

· Pe3ynbTaT HáMepeHHe πμρηημηεΗτοηκΗ H3Hoca nocne 06- pafioTKH Kaacflbix 30 o6pa6aTMBaeMbix H3flenHHnoKa3aHO KaKy H3BecTHbix, tsk h y coot-fieTCTByraiuHX Η3θ6ρετεΗΗΐο ποβοροτημΧ pe-acynmx nnacTHHOK oflHHaKOByw BenHHHHy. 248281 5 Πρημθρ 2:

Ha KOjiHMecTBo noBopoTHbix peHcyupix nnacTHHOK cornacHo H3o6peTeHwo H3 1 hour TepMooOpacTKH 6bin HaHeceH b οοοτβθηοβοη c μθτοαομ CVD cjioňKapÓHfla τητβηβ τοηπρκΗοή 6 mkm. 3th ποβοροτημθ peacymHe nnacTHHKH cpaBHHBa-JIHCb C nOKpbITbIMH BO BpBMH TOft »e CaMOn Onepail, HH 3TaJlOHHbIMH nOBOpOTHblMHpejKymHMH naacTHHKaMH H3 npuMepa 1 np« HcnbrraHHH φρθ3βροΒ3ΗΗΗ.

yCJlOBHH HCFIblTaHHH ί ErtOKH H3 CT3JIH C 60 pa3MepOM 1000 * 300 MM no.qBepra.nncb nonepenHOMy $ pe3epoBaHHiMeT-POM 315 MM. CKOpOCTb φρθ3θ- poBaHHH: v = 140 m.mhh "

Iloflaqa: s = 0.15 mm

PjiyfíHHa φρβ3β-

pOBaHHH! a = 2 MM

Pe3yjn> T and T: · CtohkoctL, BbipaxceHHaa nnnHoň pe3aHHH H3B6CTHbix noBopoTHbix peacymHx nnacTH-hok: 25 μ CToňKOCTb, BbipaaceHHaa απηηοη peaaHHHpeacyinHX nnacTHHOK cornacHo H3o0peTe-hhhj 20 μ fljlH H3B6CTHbK πΟΒοροτΗΜΧ pewymHX nJiacTHHOK b KOHue nyTH P633HHH xapaKTep-ho ycaneHHoe o6pa3OBaHne rpeóeniKOBbix TpemHH. Πρημθρ 3: IIoBopoTHbie peacyiiy-te nnacTHHKH H3 He conepxamero Kap6na ΒοηΒφρθΜθ MeTanno-KepaMHMecKoro τβθραογο crtnaBa, cocroítmue h3 68% KapSufla THTaHa h 12% MOJiH6fleHa-Kap6Hfla MOJiH0neHa h 20% HHKena noKpbieaioTCH cnocoóOM CVD npw850 C cjioeM KapóHfla'TaHTana τοηπρίΗοή 5 mkm η 3θτβΜ noflBepraioTCH τβρΜοοθ-ρβθοτκε npH 1300 C TeneHHe 1 Maca b βτΜοοφερε eoflopofla. 3aTeM ohh no-KpMBajiHCb caoeM KapchHla THTaHa tojiiuhhoh 6 mkm. HccnenoBaHHH, npoBegeHHbiec ποΜοπφίο 3JieKTpoHHOJiyqeBoro MHKpo3OHna noKa3anH, HTO ποβοροτημθ pexymHeruiacTHHKH nOFL noBepxHOCTHbíM cjioeM TiC ΗΜβιοτ Kpaeeyio 3OHy TonmHHoň NPH 0JlH3HTejlbHO 40 MKM B KOTOpyiO 0blrtO ΠβΓΗρΟΒβΗΟ ΜΘΤΟβΟΜ XP ^ y3HH 10% Kap0H ~ Aa TaHTana. 3th noBopoTHbie peatyiipre ruiacTHHKH cornacHo H3o0peTeHHio cpaBHH-BO B3rtHCb BpeMH Πρθ0Ηθή O0TOHKH TaK »e NPH npepbIBHCTOM ρθ33ΗΗΗ C-H3BeCTHbI ΜΗ nOBOpOTHblMH pejKymHMH IUiaCTHHKaMH MeTajlJlOKepaMHHeCKOrO ΤΒβρΑΟΓΟcrtnaBa H3, H3 cocTonmero Kap0Hfla THTaHa 68%, 12% MOJiHOfleHa-KapÓHfla MonnófleHa. H 20% HHKSJIB, nOKpblTblX Τ3Κ ΚΘ cjioeM TiC. yertOBHH HCrtblT3HHH ί ΠρΟΗΘΒΟΑΗΛθΟΒ OÓTOHKa CTartbHOrO pOJIHKa H3 cTanH C 60 no nepHMeTpy. CKopocTb pe3aHHH: ν = 150 m.mhh "*

Iloflarta: s = 0.3 μμ / οΘ

FnyOHHa pe3aHHH: a = 3 mm

Pe3ynbTaT. · ÍfoMepeHHe ιπηρηημ πθητοηκη H3Hoca nocne

BpeMeHH O0TOHKH 60 MHH. COCTaBHrtO flJlBH3BecTHoň ποΒοροτΗοή pejKymeň nnacTHH KH-B = 0.61 mm 6 248 281 IJoBopoTHoň pexymeň nnacTHHKH cornacHoH3o6peTeHnro: B = 0.40 mm 4> ópMyjia Η3θ6ρετβΗΗΗ first Pexymaa BCTaBKa H3 conepacamero Kap6nfl TaHTana MeTannoKepaMHnecKoroTBepfloro cnnaBa Ha ocHOBe MeTannoKepaMHnecKHX TBepflbix cnnaBOB H3 Kap-6n .ua BOJibtjjpaMa h / HBH KapCnna THTaHa C nO MeHbmeň Mepe oahhm CBH3y »mHMMeTannoM rpynnbi acene3a, oTJiHnaioinaHCH τβΜ, ητο cepflueBHHa pe®ymeň BCTaB COCTOHT KH-H3 H3 OflHOrO OCHOBHbIX CnnaBOB 6β3 HJIH C He3HaHHTenbHOH Flo ~ Jien KapčHfla TaHTana and KpaeBan 3OHa ochobhoto cnnaBa coctoht H3 floNeOnHorOneTeM nmtMi3HOHHoro npopocco KapoHna TaHTana. Second PejKyman BCTaBKa H3 conepacamero KapčHH TaHTana MeTannoKepaMunecKoroTBepnoro cnnaBa well nyHKTy 1 oTnunaromancn τβΜ, ητο TonnyiHa HacbímeHHoňKapÓHflOM TaHTana KpaeBoň 3οημ H3 MeTannoKepaMHnecKoro TBep / Joro cnnaBa, nonyneHHon μθτορ, ομ nn <J ^ y3HH, cocTaBnneT rpm flo 10 800 mkm, npeuMymecT-ΒΘΗΗΟ OT 20 FLO 200 MKM. Third PeacymaH BCTaBKa H3 conepacamero Kap6nfl TaHTana MeTannoKepaMunecKoroTBepnoro cnnaBa well nyHKTaM 1 h 2 oTnunaromaHca τβΜ, ητο Ha o6orameHHyroKap6HflOM TaHTana KpaeByro 3OHy pexymeň BCTaBKH HaHeceHbí H3HococToňKHenOBepXHOCTHbie CJ1OH H3 KapČHflOB, HHTpHHOB, ĎOpHflOB η / κΠΗ OKCHflOB.

AHHOTanHH

Pe ^ Yman BCTaBKa H3 coflepacamero Kapčnn TaHTana MeTannoKepaMHnecKoro TBepfloro cnnaBa H3o6peTeHne KacaeTCH pe ^ y ^ Eu BCTaBKH H3 coflepxamero Kap6np, TaHTana MeTannoKepaMHnecKoro TBepfloro cnnaBa b ocofíeHHOCTH, flnn οβρββστκΗ CTann HaocHOBe η3βθοτηογο MeTannoKepaMHnecKoro TBepfloro cnnaBa H3 KapĎHfla BONB Φρβμβ-h / hhh KapSHfla THTaHa c no Bleed Mepe oahhm CBH3yromHM MeTannoMrpynnbiNe3a. Uenb n3o6peTeHHn coctoht β οηηκθηηη pacxoflOB, Ha cbipbe 6eaymepSa ahh 3KcnnyTannoHHbix KanecTB flJiH tbkhx peacynpnc BCTaBOK. B ocHOBeH3o6peTeHHH nencHT 3aAana coKpaTHTb b peacyupix BCTaBKax H3 coflepacamero xap-6 ha TaHTana MeTannoKepaMHnecKoro TBepnoro cnnaBa well cpaBHeHHio c H3BecTHMMHpexyqHMH βοτββκημη βτογο Bnqa coflepsaHHe KapSHfla TaHTana him coxpaHHTbnpH 3tom cToňKocTb peacymero HHCTpyMeHTa h cooTBeTCTBeHHO, TepMocToň-KOCTb. 3TA 3anana cornacHo η3ο6ρθτθηηιο pemaeTCH τθμ MTO KpaeBan 3OHa pewymeňBCTaBKH coctoht H3 οοηοβηογο MeTannoKepaMHMecKoro TBepfloro cnnaBa c Kap-δΗ, π, ΟΜ TaHTana, nerHpoBaHHbíM c noMombio αηΦΦυβηοηηογο npoijecca c o6pa3OBa-ηηθμ TBepfloro pacTBopa. IIpH3HaHo Η3θ6ρβτθΗΗβΜ no pe3ynbTaTaM 3KcnepTH3bi, ocyqecTBneHHOH Be «oMCTBOMno nenM η3ο6ρθτθηηη h nareHTOB TflP. 248281

Claims (1)

248 281 PS sdbSt EXTRACT I. Cutting insert made of hard metal-carbide hard alloys made of metal-ceramic hard alloys of tungsten carbide and / or titanium carbide, optionally with one iron bonding group, characterized in that the core of the cutting insert consists of one of the base alloys without or with a small amount of tantalum carbide and the marginal zone of the base alloy consists of tantalum carbide supplied by the diffusion process. 2. A liner as claimed in claim 1, wherein the thickness of the tantalum carbide boundary zone of the metal ceramic hard alloy produced by diffusion is 10 to 800 .mu.m, preferably 20 to 200 .mu.m. Q, J. Cross-section according to Claims 1 and 2, characterized in that abrasion-resistant coatings of carbides, nitrides, borides and / or oxides are deposited on the tantalum-enriched carbide cutting insert. Uzgorodský výrobn ^ -polygrafický podnik, Proektnaja 4, Uzgorod * 3620 Price Kcs