CS260004B1 - Electrode for electro-erosion machining and method of its production - Google Patents
Electrode for electro-erosion machining and method of its production Download PDFInfo
- 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
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- electro
- electrode
- production
- erosion machining
- och och
- Prior art date
Links
- 238000003754 machining Methods 0.000 title claims 2
- 238000000034 method Methods 0.000 title claims 2
- 238000004519 manufacturing process Methods 0.000 title 1
- 229910052796 boron Inorganic materials 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims 2
- 229910052802 copper Inorganic materials 0.000 claims 2
- 239000010949 copper Substances 0.000 claims 2
- 239000000463 material Substances 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims 1
- 239000006185 dispersion Substances 0.000 claims 1
- 239000000395 magnesium oxide Substances 0.000 claims 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims 1
- 229910052753 mercury Inorganic materials 0.000 claims 1
- 239000011148 porous material Substances 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 239000013256 coordination polymer Substances 0.000 description 40
- WUBBRNOQWQTFEX-UHFFFAOYSA-N 4-aminosalicylic acid Chemical compound NC1=CC=C(C(O)=O)C(O)=C1 WUBBRNOQWQTFEX-UHFFFAOYSA-N 0.000 description 1
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
Landscapes
- 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 1/12
Abtopw: M.JI.JIeBHT, Η,Β.ΒοΒηοβ, H.M.ApHontnu h P.B.MHHaKOBa
SáHBHTejib: SKcnepHMeHTaJibHbiň HaywHO-HCCjieflOBaTeJihCKHň hhcthtyt MeT£Uinope»y-*ttUÍX CTaHKOB
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), -
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 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).
. . 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.
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&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 Η3Γ0Τ0ΒΠΕΗΗΗ
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. 260004
Claims (2)
- -5- PŘEDMŽT VYNÁLEZU1. 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.
- 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. 260004
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU3550871 | 1982-12-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS260004B1 true CS260004B1 (en) | 1988-11-15 |
Family
ID=21049124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS792383A CS260004B1 (en) | 1982-12-24 | 1983-10-27 | Electrode for electro-erosion machining and method of its production |
Country Status (5)
| Country | Link |
|---|---|
| CH (1) | CH662765A5 (cs) |
| CS (1) | CS260004B1 (cs) |
| DD (1) | DD244467A3 (cs) |
| DE (1) | DE3346912A1 (cs) |
| FR (1) | FR2538284B1 (cs) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE956161C (de) * | 1952-11-23 | 1957-01-17 | Deutsche Edelstahlwerke Ag | Verfahren zur Herstellung von metallischen Profil-Elektroden bzw. Elektroden mit relieffoermiger Stirnflaeche |
| DE1169057B (de) * | 1960-02-09 | 1964-04-30 | Centre Nat Rech Scient | Elektroerosions-Elektrode aus einem Gemisch eines feinverteilten leitenden Stoffes und eines nichtmetallischen Zusatzstoffes |
| 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 (de) * | 1975-12-08 | 1978-10-10 | Exnii Metallorezh Stankov | Poroeser werkstoff fuer die werkzeugelektroden von elektroerosionsgeraeten und verfahren zu dessen herstellung |
-
1983
- 1983-10-24 DD DD25592283A patent/DD244467A3/de not_active IP Right Cessation
- 1983-10-27 CS CS792383A patent/CS260004B1/cs unknown
- 1983-12-15 CH CH671383A patent/CH662765A5/de not_active IP Right Cessation
- 1983-12-23 FR FR8320708A patent/FR2538284B1/fr not_active Expired
- 1983-12-24 DE DE19833346912 patent/DE3346912A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3346912C2 (cs) | 1989-06-29 |
| FR2538284B1 (fr) | 1987-02-27 |
| DE3346912A1 (de) | 1984-07-05 |
| DD244467A3 (de) | 1987-04-08 |
| FR2538284A1 (fr) | 1984-06-29 |
| CH662765A5 (de) | 1987-10-30 |
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