CS260004B1 - Electrode for electro-erosion machining and method of its production - Google Patents

Electrode for electro-erosion machining and method of its production Download PDF

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Publication number
CS260004B1
CS260004B1 CS792383A CS792383A CS260004B1 CS 260004 B1 CS260004 B1 CS 260004B1 CS 792383 A CS792383 A CS 792383A CS 792383 A CS792383 A CS 792383A CS 260004 B1 CS260004 B1 CS 260004B1
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CS
Czechoslovakia
Prior art keywords
electro
electrode
production
erosion machining
och och
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CS792383A
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Czech (cs)
Inventor
Maxim L Levit
Nikolaj V Vojnov
Nikolaj M Arnoldi
Rimma V Minakova
Original Assignee
Maxim L Levit
Nikolaj V Vojnov
Nikolaj M Arnoldi
Rimma V Minakova
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Application filed by Maxim L Levit, Nikolaj V Vojnov, Nikolaj M Arnoldi, Rimma V Minakova filed Critical Maxim L Levit
Publication of CS260004B1 publication Critical patent/CS260004B1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
    • B23H1/04—Electrodes specially adapted therefor or their manufacture
    • B23H1/06—Electrode material

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Powder Metallurgy (AREA)

Description

OIIHCAHHE H3OBPETEHHH K ABTOPCKOMY CBHflETEJIBCTBy 3aHBJieHo: 24.12.82 3aHBKa: Ν’ 3550871/25-08 MKH3: B 23 P 1/12OIIHCAHHE H3OBPETEHHH TO ABTOPCKOMY CBHflETEJIBCTBy 3aHBJieHo: 24.12.82 3aHBKa: Ν ’3550871 / 25-08 MKH3: B 23 P 1/12

Abtopw: M.JI.JIeBHT, Η,Β.ΒοΒηοβ, H.M.ApHontnu h P.B.MHHaKOBaAbtopw: M.JI.JIeBHT, Η, Β.ΒοΒηοβ, H.M.ApHontnu h P.B.MHHaKOBa

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HaaBaHHe Η3ο6ρβτβΗΗ«: SJÍEKTPOfl - HHCTPYMEHT flJIH 3JlEKTPO3P03H0HHOfl OBPABOTKHΗ ΟΠΟΟΟΒ ΕΓ0 H3r0T0BJIEHHfl H3o6peTeHHe OTHOCHTCH K OĎJiaCTH 3JieKTPO3pO3HOHHOÍÍ 06pa60TKH, a ΗΜβΗΗΟK Η3ΓΟΤΟΒΠβΗΗΚ) 3ΠβΚΤρθ^ΟΒ-HHCTpyMeHTGB (3H) flJIH ΚΟΠΗρΟΒΒΠΒΗΟ—ΠρΟΠΙΗΒΟΗΗΜΧCTaHKOB. H3BeCTeH 9ΠβΚΤρορ,-ΗΗΟΤΡΥΜβΗΤ fíJta 9JieKTp03P03H0HH0ň O6pa6OTKH, Bbinojl-HeHHbiň H3 MaTepHana Ha ocHOBe Menu, b κοτορωή BononHHTěJibHo bbobht nucnepc-Hbie flo6aBKH - okhcb xpoMa κ 6op (1), -HaaBaHHe Η3ο6ρβτβΗΗ «: SJÍEKTPOfl - HHCTPYMEHT flJIH 3JlEKTPO3P03H0HHOfl OBPABOTKHΗ ΟΠΟΟΟΒ ΕΓ0 H3r0T0BJIEHHfl H3o6peTeHHe OTHOCHTCH K OĎJiaCTH 3JieKTPO3pO3HOHHOÍÍ 06pa60TKH and ΗΜβΗΗΟK Η3ΓΟΤΟΒΠβΗΗΚ) 3ΠβΚΤρθ ^ ΟΒ-HHCTpyMeHTGB (3H) flJIH ΚΟΠΗρΟΒΒΠΒΗΟ-ΠρΟΠΙΗΒΟΗΗΜΧCTaHKOB. H3BeCTeH 9ΠβΚΤρορ, -ΗΗΟΤΡΥΜβΗΤ fiJta 9JieKTp03P03H0HH0n O6pa6OTKH, Bbinojl-HeHHbi H3 MaTepHana Ha ocHOBe Menu, b κορρononon

HeflocTaTKOM naHHoro sjíeKTpona λβπηβτοη to, hto CTpyKTypa MaTepnana kom-naKTHaá h npeuMymecTBo ποπο»σίτβπϊ»ΗθΓο bjihhhhh iiophctocth He yMHTMBaeTCH.flaHHbiň ajieKTpofl He o6ecnemtBaeT Bbicoxyio npoH3BOHHTeJibHOCTb o6pa6oTKH, oco-δβΗΗΟ Ha nOJiyHHCTOBblX H HHCTOBblX peatHMaX, Η He «03Β0ΠΗβΤ CHH3HTB mepoxoBa-TocTb noBepxHocTH, Hshoc anexTpona b nponecce o6pa6oTKH bmcok, ΗβΒβοτβΗ Tarotce criocoC Η3Γοτοβπθηηη sneKTpofta-HHCTPýMeHTa pjin ajieKTpoapo-3HOHHOH OĎpaĎOTKH MeTOflOM ,ΓΟΡΒΗβΓΟ npeCCOBaHHH H3 CMeCH ΠΟΡΟΠΙΚΟΒ Ha QCHOBBMeflH (2).HeflocTaTKOM naHHoro sjíeKTpona λβπηβτοη it HTO CTpyKTypa MaTepnana com-naKTHaá h npeuMymecTBo ποπο »σίτβπϊ» ΗθΓο bjihhhhh iiophctocth yMHTMBaeTCH.flaHHbiň ajieKTpofl He He o6ecnemtBaeT Bbicoxyio npoH3BOHHTeJibHOCTb o6pa6oTKH OCO-H δβΗΗΟ Ha nOJiyHHCTOBblX HHCTOBblX peatHMaX, Ile Η «03Β0ΠΗβΤ CHH3HTB mepoxoBa-TocTb noBepxHocTH , Hshoc anexTpona b nponecce o6pa6oTKH bmcok, ΗβΒβοτβΗ Tarotce criocoC Η3Γοτοβπθηηη sneKTpofta-HHCTPýMeHTa pjin ajieKTpoapo-3HOHHOH OĎpaĎOTKH MeTOflOM, ΓΟΡΒΗβΓΟ npeCCOBaHHH H3 CMeCH ΠΟΡΟΠΙΚΟΒ Ha QCHOBBMeflH (2).

HeflocTaTKOM flaHHoro cnoco6a ΗΒΠΗβτοπ to, hto ero ocymecTBBHKJT b cpejje ra3a-BoccTaHoBHTenH, hto ycnoMHAeT TexHOJiomuecKuii npouecc.HeflocTaTKOM flaHHoro cnoco6a ΗΒΠΗβτοπ to, hto ero ocymecTBBHKJT b cpejje ra3a-BoccTaHoBHTenH, hto ycnoMHAeT TexHOJiomuecKuii npouecc.

Uejlbio H3o6peTeHHH HBJÍHeTCH yCTpaHeHHe ΥΚ33ΗΗΗΜΧ HeflOCTaTKOB. IIocTaBJíeHHaH uertb flocTHraeTCH τβΜ, hto HSBecTHbiň 3πβκτροη~HHCTpyMeHT,BbinOJlHeHHblft Ha OCHOBe MeflH C flHCnepCHHMH ROfíaBKaMH Cr,zO3 Η B H BbinOHHeHnopHCTbIM, npHUeM OTKpblTafl nOpHCTOCTb COCTaBJIHeT 10-15%, a pa3MepbI ΟΤΚΡΜΤΜΧ 260004 -2- πορ - 2-10 mkm, a Taiace τθμ, μτο h3bgcthi>iíi cnocoS η3γοτοβπ6ηηη aneKTpopa-HHCTpyMeHTa ρππ 3neKTpo3po3HOHHoň o6pa6oTKH MeToflOM ropnqero npeccoBaHHH,nponecc BextyT b BaxyyMe 10'2 -10~4 mm pt.ct. npH TeMnepaType 650-975°C c npH-no»eHHeM paBpeHHH 50-110 ktc/cm2, IIpHHUHnHajibHbíM oTJiOTHeM npepnaraeMoro Η3ο6ρετβΗΗΗ HBPHeTCH το, 9to 3ηεκτ-poft-HHCTpyMeHT jiMeeT xapaKTep nopHCTOCTH οτκρωτπή, a ee BenHHHHa - 10—15%.3to peaKO noBhnnaeT aneKTposposHOHHyro CToňKocTb MaTepnaaa npH 3Η3μητθηβηομ^yBeJIHMeHHH npOH3BOflHŤejIbHOCTH 3JieKTP03P03H0HH0ň o6pa6OTKH. OTKpbiTbiň xapaKTep nopHCTOCTH πο3βοηηθτ peannaoBaTb 3φφεκτ 6onee nonHoň3B3KyauHH tipojayKTOB pacnnaBa H3 nyHKH peTaJiH 3a ομθτ peňcTBHH ra3opnHaMH—ΊβοκΗχ BbicoKOTeMnepaTypHbix CTpyň (φβκεηοΒ) Hcnapaioqefica H3 nop paBonefl tkhp-kocth. 3a CMeT toto, mto nopw hbjihiotch οτκρμτνμη (to ecTb cooÓmaioTCH c co- fCepHHMH nopaMH H HMeiOT BbIXOP Ha nOBepXHOCTb 3H) , npOHCXOpHT nOCTOHHHaH hxΠΟΡΠΗΤΚβ HOBblMH ΠΟρρΗΗΜΗ, 3ΤΟ ΠΡΗΒΟΡΗΤ K yBeJlHMeHHIO npOH3BOpHTeJIbHOCTH pa-Coneň KHflKOCTH po 2-x h 6onee pa3, Hapnpy c sthm 3a CMeT nHponH3a pačoMeft«HflKOCTH b nopax Ha ee CTeHKax oTKJiapbisaeTCH 33μητη3η nneHKa, IIoctohhhmhnopcoc pa6oqeň jkhpkocth nepe3 οτκρΜτωε nopw no3BonaeT BOccTaHaBJíHBaTb 3a-mHTHyio oneHKy. 3to peaKo CHracaeT hshoc nopHCToro 3H. OrpaHHMeHHe 3aKpbiToňnopHCTOCTH po 5% Hnu nojiHoe ee ycTpaHeHne πο3ΒοηΗετ ρβ3κο yMeHbmHTb onaraJioKanbHoro neperpeBa, Bepymne κ CHH»eHHK> npoH3BopHTenbHocTH o6pa6oTKH 3acueT npoxojKfleHHH pa3pnpoB b napora3OBoň cpepe. Tax KaK 3neKTpo3po3HOHHan1o6pa6oTKa HBPHeTCH npopeccoM κοπηροβηηηη, BenHHHHa nop MeHee 10 mkm πο3βο- (ΠΗβΤ Ha nonyHHCTOBblX H MHCTOBblX peJKHMaX 06pa60TKH nOJiynaTb UiepOXOBaTOCTho6pa6oTaHHoň ncjBepxHocTH Ra<10 mkm. KaK noKa3anH MHoroMHcneHHbie 3KcnepnMeH—tu, πρκ paaMepe nop MéHee 2 mkm BcnepcTBHe 6onbmoro rappaBaHMecKoro conpo-THBJíeHHH He npoHCxoflirr 3anoJiHeHHe hx pa6oneň jKHflKOCTbw. řípu stom He peanH-3y»Tc« npenMymecTBa πορκετοή CTpyKTypbi 3H (noBbnueHHe npoH3BopHTenbHocTH 06-pafíOTKH H CToňKOCTH 3H) . IIpHHpHnHaJlbHblM OTHHMHeM cnoco6a H3rOTOBJíeHHH HBJ1H-eTca to, mto ropanee npeceoBaHne 3H BepyT b BaxyyMe 10'2-10~4 mm pt.ct., 6onee hhskhíI BaKyyM Ββρετ κ TOMy, mto He npoHcxopHT BoccŤaHOBneHHe okhchmxnneHOK b MaTepnajie 3H. BaKyyM Bbnne BepxHero npepena ne πρηβορητ k ynyMineHHrocboíígtb 3H, ho ypnuHaeT, ycnoxHHeT h ypopoxaeT TexHOJiorrmecKHň npopecc H3-roTOBJíeHHH. TeMnepaTypa npeccoBaHHH paBHa 65O-975°C. Πρκ yBenHMeHHH TeMnepa-Typbi Bbnne BepxHero npepena npoHcxopHT 6onbinan ycapxa MaTepnana πρκ ocTbroa-hhh, saKpwTHe nop h Heco6ptopeHHe ycjioBHH nopyneHHH οτκρΜτοή nopucTocra 10-15% h aaKpbiToň nopHCTOCTH MeHee 5%. Πρκ yMeHbmeHHH TeMnepaTypbi HHxe HHjKHerpnpepena ne προΗοχορητ ποπηογο BoccTaHOBneHHH MepH H3 okhchob. 3H nitoxo hjihBoočme He nponpeccoBbiBaroTCH h MaTepHan 3H He pocTHraeT Heo6xopnMoň πκοτηοοτη, •Πρκ npeccoBaHHH 3H c paBJíeHneM Menee 50 κγ/cm2 b aapaHHOM TeMnepaTypHOMHHTepBajie BenHMHHa οτκρωτοή nopHCTOCTH MaTepnana npeBbiniaeT 3apaHHbie 3HaaeHHH(10-15%), mto cooTBeTCTBeHHO aepeT κ 6onee ηη3κημ Φηβηκο-μθχ3ηημθοκημ h9πβκτρο3ρο3ΗθΗΗΗΜ CBoňcTBaM 3H. ΥΒβΒΗΗβΗΗβ paBJíeHHH B aapaHHOM TeMnepaTypHOMHHTepBane Bbnne 110 κγ/cm2 Ββρβτ κ TOMy, hto OTpeJibHbie ynacTKH 3H nepenpecco-BbieaioTCH η ΗΜθιοτ oTKpbiTyra nopHCTocTb <10% (cTpyKTypa o6pa3poB 6pH3Ka κ κομ-naKTHoň c He6ojibiuHM KOJiHwecTBOM šaKpbiTbix nop).Uejlbio H3o6peTeHHH HBiHeTCH yCTpaHeHHe ΥΚ33ΗΗΗΜΧ HeflOCTaTKOB. IIocTaBJíeHHaH uertb flocTHraeTCH τβΜ, HTO HSBecTHbiň 3πβκτροη ~ HHCTpyMeHT, BbinOJlHeHHblft Ha OCHOBe MeflH C flHCnepCHHMH ROfíaBKaMH Cr zO3 Η BH BbinOHHeHnopHCTbIM, npHUeM OTKpblTafl nOpHCTOCTb COCTaBJIHeT 10-15%, and pa3MepbI ΟΤΚΡΜΤΜΧ 260,004 -2- πορ - 2-10 mkm and Taiace θ μ η η 3 η η η η η η η η η ne ne ne ne ne ne ne ne ne ne ne ne ne ne T T T T T T T T T T T T T T T T T NPH TeMnepaType 650-975 DEG C. c NPH No »ehhe paBpeHHH 50-110 KTC / cm2 IIpHHUHnHajibHbíM oTJiOTHeM npepnaraeMoro Η3ο6ρετβΗΗΗ HBPHeTCH το, 9to 3ηεκτ-poft-HHCTpyMeHT jiMeeT xapaKTep nopHCTOCTH οτκρωτπή and ee BenHHHHa - 10-15% .3to Peak noBhnnaeT aneKTposposHHyro CToňKocTb MaTepnaaa npH 3Η3μητθηβηομ ^ yBeJIHMeHHH npOH3BOflHŤejIbHOCTH 3JieKTP03P03H0HH0ň o6pa6OTKH. OTKpbiTbiň xapaKTep nopHCTOCTH πο3βοηηθτ peannaoBaTb 3φφεκτ 6onee nonHoň3B3KyauHH tipojayKTOB pacnnaBa H3 nyHKH peTaJiH 3a ομθτ peňcTBHH ra3opnHaMH-ΊβοκΗχ BbicoKOTeMnepaTypHbix CTpyň (φβκεηοΒ) Hcnapaioqefica H3 NOP paBonefl tkhp-kocth. 3a cMet this MTO nopw hbjihiotch οτκρμτνμη (i.e. ecTb cooÓmaioTCH c -CO- fCepHHMH nopaMH H HMeiOT BbIXOP Ha nOBepXHOCTb 3H) npOHCXOpHT nOCTOHHHaH hxΠΟΡΠΗΤΚβ HOBblMH ΠΟρρΗΗΜΗ, 3ΤΟ ΠΡΗΒΟΡΗΤ K yBeJlHMeHHIO npOH3BOpHTeJIbHOCTH PA-Conen KHflKOCTH after 2 xh 6onee PA3, Hapnpy c sthm 3a CMeT nHponH3a pacoMeft «HflKOCTH b nopax Ha ee CTeHKax oTKJiapbisaeTCH 33μητη3η nneHKa, IIoctohhhmhnopcoc pa6oqen jkhpkocth nepe3 οτκρΜτωε nopw no3BonaeT BOccTaHaBJiHBaTb 3a-mHTHyio oneHKy. 3to peaKo CHracaeT hshoc nopHCToro 3H. OrpaHHMeHHe 3aKpbiToňnopHCTOCTH after 5% Hnu nojiHoe ee ycTpaHeHne πο3ΒοηΗετ ρβ3κο yMeHbmHTb onaraJioKanbHoro neperpeBa, Bepymne κ CHH e eHHK> npoH3BopHTenbHocTH o6pa6oTKH 3acueT npoxojKfleHHH pa3pnpoB b napora3OBoň cpepe. Tax KaK 3neKTpo3po3HOHHan1o6pa6oTKa HBPHeTCH npopeccoM κοπηροβηηηη, BenHHHHa nop MeHee 10 mkm πο3βο- (IIa ΠΗβΤ nonyHHCTOBblX H MHCTOBblX peJKHMaX 06pa60TKH nOJiynaTb UiepOXOBaTOCTho6pa6oTaHHoň ncjBepxHocTH R <10 mkm. KaK noKa3anH MHoroMHcneHHbie-3KcnepnMeH herein πρκ paaMepe nop MéHee 2 mkm BcnepcTBHe 6onbmoro rappaBaHMecKoro coNP Ile-THBJíeHHH npoHCxoflirr 3anoJiHeHHe hx pa6oneň jKHflKOCTbw. Rip one hundred meters peanH Ile-3y »Tc« npenMymecTBa πορκετοή CTpyKTypbi 3H (noBbnueHHe npoH3BopHTenbHocTH 06-H pafíOTKH CToňKOCTH 3H). IIpHHpHnHaJlbHblM OTHHMHeM cnoco6a H3rOTOBJíeHHH HBJ1H-eTca the MTO ropanee npeceoBaHne 3H BepyT b BaxyyMe 10'2- 10 ~ 4 mm pt.ct., 6onee hhskhíI BaKyyM Ββρετ κ Tomy MTO he npoHcxopHT BoccŤaHOBneHHe okhchmxnneHOK b MaTepnajie 3H. BaKyyM Bbnne BepxHero npepena not πρηβορητ to ynyMineHHrocboíígtb 3H him ypnuHaeT, ycnoxHHeT h ypopoxaeT TexHOJiorrmecKHň npopecc H3 roTOBJíeHHH. TeMnepaTypa npeccoBaHHH paBHa 65 DEG-975 DEG C. Πρκ yB enHMeHHH TeMnepa-Typbi Bbnne BepxHero npHcxopHT 6onbinan ycapxa MaTepnana πρκ ocTbroa-hhh, saKpwTHe nop h Heco6ptopeHHe ycjioBHH nopyneHHH οτκρΜτοή nopucTocra 10-15% haKpbiToň nopHCTOCTH MeHee 5%. Πρκ yMeHbmeHHH TeMnepaTypbi HHxe HHjKHerpnpepena no προΗοχορητ ποπηογο BoccTaHOBneHHH MepH H3 okhchob. 3H nitoxo hjihBoočme nponpeccoBbiBaroTCH h of He He MaTepHan 3H pocTHraeT Heo6xopnMoň πκοτηοοτη, • Πρκ npeccoBaHHH 3H c paBJíeHneM less κγ 50 / cm 2 b aapaHHOM TeMnepaTypHOMHHTepBajie BenHMHHa οτκρωτοή nopHCTOCTH MaTepnana npeBbiniaeT 3apaHHbie 3HaaeHHH (10-15%) of MTO cooTBeTCTBeHHO aepeT κ 6onee ηη3κημ Φηβηκο-μθχ3ηημθοκημ h9πβκτρο3ρο3ΗθΗΗΗΜ CBoMTBaM 3H. ΥΒβΒΗΗβΗΗβ paBJíeHHH B aapaHHOM TeMnepaTypHOMHHTepBane Bbnne κγ 110 / cm2 Ββρβτ κ Tomy HTO OTpeJibHbie ynacTKH 3H-nepenpecco BbieaioTCH η ΗΜθιοτ oTKpbiTyra nopHCTocTb <10% (cTpyKTypa o6pa3poB 6pH3Ka κ κομ naKTHoň-c He6ojibiuHM KOJiHwecTBOM šaKpbiTbix NOP).

. . I Πο npfep^naraeMOMy cnoco6y 6bma HaroTOBJíeHa napTHH 3H c οτκρΗτοή nopHCTOc-Tbio 10, 12, 15% pa3MepoM nop 0; 1,5; 2,0; 5; 10; 20 mkm. CocTaB npecc-nopom-Ka - 94 Bec.% Mepn + 3 Bec.% Cr\O3 + 1 Bec.% B. IIojiyueHHaH CMecb nopBepra-nacb npeccoBaHHio πρκ TeMnepaType 900°C paBJíeHneM 96 κγ/cm2 b BaxyyMe10~3 mm pt.ct. nonyueHHbie o6pa3ip,i HcnbiTbiBanncb no oGmeft μθτορηκθ Ha τεετοΒΟΜpe»HMe 3ρεκτρο3ρο3ΗθΗΗθή o6pa6oTKH Ha κοπηροββπβηο-προιηηβοηηομ οτβπκβ c sne- 260004 -3- KTporHRpaBnHuecKHM nptiBOAOM, ocHameHHHM renepaTopoM uMnyntcoB. Hnomaju» 06-pasuoB 500 mm2, o6pa6aTbisaeMMft MaTepHan - CTanb 45. 06pa6oTKa npoBOffHJiacb Ha pexHMax: ajih ctsjih - nacTOTa f * 88 κΓη, paConufttok - 16A, nonapHOCTb o6paTHa« (3H+). PesynbTaTbJ HcnbiTaHHft πρΗΒβηβΗΜ β τβ6-jiHye, Jlytnnue pesryjibTaTH nonyneHU y oCpaaqoB c nopMCTocTbio 12% h paeMepoMOTKpMTbIX nop 10 MKM. fř o6pa3-na ---------------—u, Othoch- TejJbHWň H3HOC,% fflepoxoBa- TOCTb no- · « BepXHOCTH, MKM Coctsb IIopHC-TOCTb OT-KpbiTaH,% PasMepnop, MKM CKOPOCTbCbeMa na βΜπβρτο- Ke,MM/l4HH 1 Me«B' - 94%Cr^Og - 3% B -1%' 10 10 7,8 18,5 3 2 Tot xe 15 10 8,0 22,1 3 3 Tot xe 12 10 8,3 15,0 3 4 Tot xe .12 20 7,9 20,8 4 5 Tot xe 12 5 8,0 24,2 3 6 Tot xe 12 2,0 7,5 25 3 7 Tot xe. 12 . 1,5 6,5 40 3 8 Meflb Ηβτ 0 3,9 70,1 3 OTHOCHTejIbHblň H3HOC ΠΟ CpaBHéHMBO C MeftHUM BJieKTpOflOM CHH3HJICH ΠρΗβίΙΗ3Η-TenbHo b 4 pasa, cKopocTb cfceMa Bospocna BflBoe.. . I Πο npfep ^ naraeMOMy cnoco6y 6bma HaroTOBJíeHa napTHH 3H c nopHCTOc-Tbio 10, 12, 15% pa3MepoM nop 0; 1.5; 2.0; 5; 10; 20 mkm. CocTaB npecc-nopom-Ka - 94 Bec.% Mepn + 3 Bec.% Cr O3 + 1 Bec% B. IIojiyueHHaH CMecb nopBepra-nacb npeccoBaHHio πρκ TeMnepaType 900 ° C paBJIeHneM 96 κγ / cm2 b BaxyyMe10 ~ 3mm pt. ct. nonyueHHbie o6pa3ip even HcnbiTbiBanncb well oGmeft μθτορηκθ Ha τεετοΒΟΜpe »HME 3ρεκτρο3ρο3ΗθΗΗθή o6pa6oTKH κοπηροββπβηο IIa-c προιηηβοηηομ οτβπκβ sne- 260,004 -3- KTporHRpaBnHuecKHM nptiBOAOM, ocHameHHHM renepaTopoM uMnyntcoB. Hnomaju »06-pasuoB 500 mm2, o6pa6aTbisaeMMft MaTepHan - CTanb 45. 06pa6oTKa npoBOffHJiacb Ha pexHMax: ajih ctsjih - nacTOTa f * 88 ΓΓ, paConufttok - 16A, nonapHOCTb o6paTHa« (3H +). PesynbTaTbJ HcnbiTaHHft πρΗΒβηβΗΜ β τβ6-jiHye, Jlytnnue pesryjibTaTH nonyneHU y oCpaaqoB c nopMCTocTbio 12% h paeMepoMOTKpMTbIX nop 10 MKM. fr o6pa3-on ---------------— u, Othoch- TejJbHWn H3HOC,% fflepoxoBa- TOCTb no- · «BepXHOCTH, MKM Coctsb IIopHC-TOCTb OT-KpbiTaH,% PasMepnop, MKM CKOPOCTbCbeMa to βΜπβρτο- Ke, MM / l4HH 1 Me «B '- 94% Cr ^ Og - 3% B -1%' 10 10 7.8 18.5 3 2 Tot xe 15 10 8.0 22.1 3 3 Tot xe 12 10 8,3 15,0 3 4 Tot xe .12 20 7,9 20,8 4 5 Tot xe 12 5 8,0 24,2 3 6 Tot xe 12 2,0 7,5 25 3 7 Tot xe. 12. 1,5 6,5 40 3 8 Meflb Ηβτ 0 3,9 70,1 3 OTHOCHTHEHBLE H3HOC ΠΟ CpaBHéHMBO C MeftHUM BJieKTpOflOM CHH3HJICH ΠρΗβίΙΗ3Η-TenbHo b 4 pasa, cKopocTb cfceMa Bospocna BflBoe.

ΦΟΡΜΖΠΑ H3OBPETEHHH 1. SneKTpojni-HHCTpyMeHT flJin sneKTposposHOHHoň o6pa6oTKH. BbinojiHeHHbtň H3 MaTepnana Ha ocHOBe ms^h c AHcnepcHbíMH AoSaBKaMH okhch xpoMa h 6opa,OTJIHUaiOIUHftCH ΤβΜ, HTO, C uenb» nOBUmeHHH npoHSBOAHTenbHOCTH 06pa6oTKH HanonyHHCTOBMX H HHCTOBblX pexHMax, OH ΒΜΠΟΛΗβΗ nopHCTbIM, ΠρΗΗβΜ OTKPbJTaH no-'pucTocTb cocTaBnaeT 10-15%, a pasMepbt otrpmtmx nop - 2-10 mkm. 2. Cnoco6 HsroTOBneHHH sneKTpofla-ňHCTpyMeHTa Rnn sneKTposposHOHHoft 06-ρββοτκΗ ΜβτοΗΟΜ ropnnero npeccoBaHHH hs CMecH ποροωκοΒ Ha ocnose Mejw, ot-JiHnaiomHňcH τβΜ, hto, c yejibio ynpomeHHX TexHonoranecKoro npouecca npn usro-ΤΟΒΜβΗΗΗ SíieKTpOJtOB—HHCTpyMeHTOB C OTKPbITOft nopHCTOCTb» 10-15% H pa3M6paMHjnop 2-10 mk&amp;7 npeccoBaHHe BenyT b BaxyýMe 10“1 -10'* mm pt.ct. πρπ TeMnepa-Type 650-975°C c npHnoxeHHeM-flaBJíeHHH 50-110 κγο/cm2. UCTOHHHKH HH$OpMai(HH, πρΗΗΗΤΗβ BO BHHMaHHe ΠΡΗ SKCIjepTHSe ί 1, AsTopcKoe CBHfleTejibCTBO CCGP N* 921747, xji. B 23 P 1/12, 1980 (προτό-THn). 2. ΑΒΤοροκοβ CBHfleTejibCTBO CCCP Ν’ 489617, kji. B23P 1/12, 1974 (προ-τοτηπ). Ρ Ε Φ Ε Ρ A Τ OJIEKTPOfl-HHCTPYMEHT flJM 3JIEKTP09P03H0HH0ÍÍ OBPASOTKHΗ CnOCOB ΕΓΟ Η3Γ0Τ0ΒΠΕΗΗΗΦΟΡΜΖΠΑ H3OBPETEHHH 1. SNEKTpojni-HHCTpyMeHT flJin sneKTposposHoH o6pa6oTKH. BbinojiHeHHbtň H3 Ha MaTepnana ocHOBe ms ^ HC AHcnepcHbíMH AoSaBKaMH okhch xpoMa h 6opa, OTJIHUaiOIUHftCH ΤβΜ, HTO, C uenb »nOBUmeHHH npoHSBOAHTenbHOCTH 06pa6oTKH HanonyHHCTOBMX HHCTOBblX pexHMax H, OH ΒΜΠΟΛΗβΗ nopHCTbIM, ΠρΗΗβΜ OTKPbJTaH no-'pucTocTb cocTaBnaeT 10-15%, and pasMepbt otrpmtmx nop - 2-10 mkm. Second Cnoco6 HsroTOBneHHH sneKTpofla-ňHCTpyMeHTa BOD sneKTposposHOHHoft 06 ρββοτκΗ ΜβτοΗΟΜ ropnnero npeccoBaHHH hs CMecH ποροωκοΒ Ha ocnose Mejw OT-JiHnaiomHňcH τβΜ, HTO c yejibio ynpomeHHX TexHonoranecKoro npouecca usro npn-ΤΟΒΜβΗΗΗ SíieKTpOJtOB-HHCTpyMeHTOB C OTKPbITOft nopHCTOCTb »10 to 15% H pa3M6paMHjnop 2-10 mk & 7 npeccoBaHHe BenyT b BaxyMe 10 “1 -10 '* mm pt.ct. πρπ TeMnepa-Type 650-975 ° C cNpHnoxeHHeM-flaBJiHHH 50-110 κγο / cm2. UCTOHHHKH HH $ OpMai (HH, πρΗΗΗΤΗβ BO BHHMaHHe ΠΡΗ SKCIjepTHSe ί 1, AsTopcKoe CBHfleTejibCTBO CCGP N * 921747, xji. B 23 P 1/12, 1980 (προτό-THn). 1/12, 1974 (-Ε Ε IE IE Ρ IE IE IE Τ IE IE IE IE IE IE IE IE IE IE IE IE IE IE IE IE IE IE IE n n n n n n n n n n n n n n n n

UsočpeTeHHe HcnonbsyeTca πρκ HsroŤOBJíeHHH sneKTpoftoe-ΗΗοτργΜβΗτοβ λπηKOnHpOBaJlbHO“npODIHBOHHblX CTaHKOB. CyiUHOCTb 3ΤΟΓΟ Η9ΓΟΤΟΒΗβΗΗΗ saKJlIOHaeTCR 260004 -4- b tom, «ίτο BneKTpofl-HHCTpyMeHT ΗΜββτ OTKpwTyw nopHCTocTb ot 10 no 15% πρκpasMepax πορ ot 2 flo 10 mkm. IIojiy»iaioT iŠtoť aneKTpon-HHCTpyMeHT «a cMecHποροωκοΒ Ha ochobb ΜββΗ ΜβτοηοΜ npeccoBaHHH npH TeMnepaType 650-975°C c npn-jioxeHHeM #aBneHHH 5Q-110 ktc/cm2 b BaxyyMe 10*4-ÍO“·* mm ρτ.ςτ. ΠρΗ3ΗβΗ0 Η3θ6ρετεΗΗβΜ no pesynbTaTaM 3KcnepTH3bi, oeymecTBJíeHHoň rocynapcT-βθηηημ KOMHTeTOM CCCP no nenaM H3o6peTeHHft η οτκρύΤϋΰ. 260004He's a HcnonbsyeTca πρκ HsroŤOBJíHHH sneKTpoftoe-ΗΗοτργΜβΗτοβ λπηKOnHpOBaJlbHO “npODIHBOHHblX CTaHKOB. CyiUHOCTb 3ΤΟΓΟ ΓΟΤΟΒΗ9ΓΟΤΟΒΗβΗΗΗ saKJlIOHaeTCR 260004 -4- tom ΓΟΤΟΒΗ B ne ne ne ne ne ne ne ne ne ne op op op op op op op op op op op op flo flo flo flo flo flo. Ť ť ť ť p p p p p on on p p p Η Η Η Η Η Η Η Η och och och och och och och och och och och och och och och M M ax ax mm mm mm mm mm mm mm mm mm mm CP θ Η θ θ θ θ θ yn yn yn yn yn yn K CP CP CP CP CP CP CP CP CP CP CP CP CP CP CP CP CP CP CP CP CP CP CP CP CP CP CP CP CP CP CP CP CP CP CP CP CP CP CP. 260004

Claims (2)

-5- PŘEDMŽT VYNÁLEZUSUBJECT OF THE INVENTION 1. Elektroda pro elektroerozní obrábění, vyrobena z mate- riálu na základě mědi, s disperzními přísadami kysličníků ohromu a boru, vyžnačujíoí se tím, že její materiál je pó- rovitý, přičemž povrchová pórovitost je 10 až·15 % a rozměry povrchových pórů jsou 2 až 10 um.1. Electrode for electro-erosion machining, made of copper-based material, with dispersions of oxides of magnesia and boron, characterized in that its material is porous, with a surface porosity of 10 to 15% and dimensions of the surface pores are 2 to 10 µm. 2. Způsob výroby elektrod podle bodu 1, metodou tepelnéholisování ze směsi prášků mědi, vyznačující se tím, že směsse lisuje ve vakuu 10“^ až ÍO*"^ mm rtuíového sloupce podtlakem 50 až 110 kg s/om^ při teplotě 650 až 975 °C. 2600042. A process for producing the electrodes according to claim 1, by heat-shrinking from a mixture of copper powders, characterized in that the mixture is compressed in a vacuum of 10 [mu] m to 10 [mu] m of mercury column at a pressure of 50-110 kg with a temperature of 650-975. ° C 260004
CS792383A 1982-12-24 1983-10-27 Electrode for electro-erosion machining and method of its production CS260004B1 (en)

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CS (1) CS260004B1 (en)
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE956161C (en) * 1952-11-23 1957-01-17 Deutsche Edelstahlwerke Ag Process for the production of metallic profile electrodes or electrodes with a relief-shaped end face
DE1169057B (en) * 1960-02-09 1964-04-30 Centre Nat Rech Scient Electro-erosion electrode made from a mixture of a finely divided conductive substance and a non-metallic additive
GB941947A (en) * 1960-11-17 1963-11-20 Mallory Metallurg Prod Ltd An improved metal composition and a method of manufacture thereof
US3290124A (en) * 1964-10-29 1966-12-06 Rametco Inc Porous electrical discharge machine electrodes
AT345943B (en) * 1975-12-08 1978-10-10 Exnii Metallorezh Stankov POROESE MATERIAL FOR THE TOOL ELECTRODES OF ELECTRIC Erosion MACHINES AND THE PROCESS FOR THE PRODUCTION THEREOF

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FR2538284B1 (en) 1987-02-27
DE3346912A1 (en) 1984-07-05
DD244467A3 (en) 1987-04-08
FR2538284A1 (en) 1984-06-29
CH662765A5 (en) 1987-10-30

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