Kunjani Ukukhetha Indlela E suitable ye-Wire EDM yokugcina Isimo se-Alloy

Kungani Iindlela eziphansi ze-Wire EDM Zilungile kakhulu ekugcineni kahle kwe-Alloy

Amashini okugcwalisa umendo wesiliva ngokushesha kancane ayaziwa ngenhloso yabo eqondile ekugcwaliseni izithembu ezibomvu. Indlela yokucindezela kwespark ayisebenzi ngokuqinile kumendo, okubaluleke kakhulu kumendo njenge-titanium ne-Inconel eyobala ukuguquka ngemaqine ethile. Lezi zinhlela zihamba ngapha kokusebenza kwezivumelwano, ngakho ke kuzofakelwa isimo esiqinile sokugcinwa kusosayizi sezingxenye eziphelele nangaphandle kuka ±0.005 mm nazo zingxenye eziphelele. Iqhaza lefansi lisuka ku-Ra 0.2 microns, into engakwenzeki yiindlela ezipheleleyo ezininzi. Ngoba umendo uhambe ngokushesha kancane kuphela kumendo, abasebenzisi bafuna umbiko wakhe ngempawu yekhwankhwa. Lokhu kuthuthukisa ukungena kwezigaba eziphelele ezintweni ezikhazimulayo kwaye kugcine indawo yemvelaphi yomendo ngokugcwaliswa kwizinto.

Ukusebenzisa izindlela zokugcina ngemigaqo engaphezu kweyodwa zakhishisa kakhulu ubumnandi bokucinezela, kube yenzelani ukulungiswa okuncane kakhulu okuphansi kwamikhawulo emva kokugcina. Lokhu kubaluleke kakhulu embangweni njenge- aerospace nekuqasha kwezinhlelo ezisebenza ngazo ezenzekileyo lapho ubumfihlayo bekusika kungaba yisidingo esibalulekile ekuphindiseni kakhulu komthwalo ngaphambi kokuthi kuphazanye. Indlela enezilingo iyafuna kangcono kunokuhamba ngokushesha ngokuphelele ngoba isusa izivivino zewire futhi isiza ekususa izinkunkuma ngendlela efanelekile ngokuvuselelwa kwezinhlelo ze-dielectric. Okusho kanti kuleli xesha sikuphathana nokugcina okuphinde phinde kufanayo futhi sithole amabona afanele noma kungaba nembala enguqukayo. Hlola ikhaliminiya isibonakaliso esingaba yisidingo sokugcina. Ukuzilinda kakhulu kanciphisa amathuba okuthi wire igcinwe futhi kuyakha kakhulu ukuphatha sludge. Amakhampani athandaza ukuthi akwazi ukulungiswa konke okudingekayo endaweni yokuthi aqede kuphela umkhawulo uzobona low speed wire EDM ibuye into eyadingekayo ekuphindiseni kakhulu, ubumfihlayo befini, nokuphinde phinde kakhulu.

Izinqawu Ezibalulekileyo Zomshini We-EDM Esingathintwa Ngazo Inseleli YokuSebenzisa Isimo SeAlloy

Umthwalo Ophathekayo Wokulungiselela Okuphathelene NgePulse KumaAlloy Athintekayo Kukushisa

Izinqolo zokwelashwa eziphila kakhulu ukukhokha izinkinga zokuguquka kwesithuthi xa kusebenziswa nezibalo ezinzima njenge-Inconel 718 ngoba zizokugcina imodi yespark ihlanzekile phakathi kwendlela. Xa kukhona ushintsho okuncane kakhulu kwe-pulse duration ngaphezu kuka-2%, lokhu kungahola ekwakhiweni kwezinkinga ezincane kumalayizi abalulekile kushishino lwesithuthi. Izebango le-generation entsha iqondisa ivoltaji yonke imicrosecond ethile, lokho okubangela isiphazamiso esikhulu xa kususwa amalayizi athathe impahla. Lo gciniko lungasiza ekufuneni iindlela ezide emanzini ezingaphansi kwe-micron futhi lwenze igunya eliphalayo libe libomvu kunazo evela kuzintonga zamandla. Kukhona amavivinyo angasemkhubeni amathuba okuthuthuka ngama-40%, lokho okubalulekile kubo bonke abasebenzisa lezi zinto.

Inkqubo ye-Filtration ye-Dielectric Engapheleleyo yokuphatha Ngokushesha i-Sludge kumalayizi athathe

Iyaloyi njenge-aluminum bronze zandula le sludge ephakeme eya ngaphakathi kumendo wokugcina uma akukho nhlobo lokufiltrala okuhle. Uma izindawo zokuthengisa zifaka izinhlelo ezinezinkinga eziphezulu ezincike kule centrifugal separators, sizobona ku-99% yokususwa kwezinto ezide njalo ku-25 microns. Ukuzondla kwe-dielectric ngokuphathelene phakathi kwe-15 ne-20 psi kwenza yonke into yahlukile xa kusebenziswa lezi zinto ezibhaxeneyo. Lokhu kusiza ekulungiseni inkinga yomlando othintayo owavivinywa ngazo ziningi iziphazamiso zokugcina. Izindawo zokuthengisa zibhabha ukuthola ububi obujwayelekile bukuba ngu-30% emva kokwenza lokhu kuguquguquka. Ngaphezu koko, i-wire electrodes ihlala ngedura ngoba akukho zinkinga zokugaya kwizindlela ezimbi ekuqhubeni. Abanye bonke abasebenzisa amashini bayakuvuma ukuthi le nzinhlelo iyafuneka ngcono ukuhlela leyo maloyi ahlehlile ngemini ngemini.

Ukukhethwa Kwe-Wire Electrode Okugcinwe Ngcono: Ubude Bepherimeter, Ukufakwa Kwesithuthi, Nezinselelo Ze-Tensile Ukuze Kuhlukanwe Ngezimali Ezikhovaze

Xa kusebenziswa nezinkunkuma ezizimeleyo ezingaphezu kuka-60 HRC, izindawo ezininzi zokwenza izixhobo zifumana ukuthi izinkunkuma ze-zinc eziphakanyisiweyo ezingama-0.25 mm ubude bezidelela umugqa othile wekukhanya nokukhazimula okuphakade, okwenzeka kwi-900 ukuya ku-1000 N ngasinye isipungu semilimita. Inkomba iyaphawula futhi - izivivinyo zibonisa ukuthi lezi zinkunkuma zilahlela ubude bokulahlwa nge-35% kuphela kunazo eziphakathi xa kusebenziswa izixhobo ze-tungsten carbide. Ukunciphisa kulezi zinkunkuma kuma-0.1 mm kuvumela ukusebenza okujwayelekile, nakuba abasebenzisi kudinga ukunciphisa ngemigwa ka-20% ekususweni ukuze akulahle inkunkuma ngexesha lokusebenza. Ukufunda kakhulu kwezinkunkuma kubaluleke kakhulu ukuqinisekisa ukuthi ububanzi bekherfu buhlala bukothe ngokuphindaphindi, kanye nobude obufanele obungaphezu kwalapha okanye phansi kuka-0.005 mm ngexesha lezinyathelo ezijwayelekile.

Ukulungana Kwe-Speedi, Ukwahluleka, Ne-Integrite Yehhele Xa Kuhlwa Ngamakhemikhali Amahle

Ukuthola okubanzi kakhulu kumashini ebhodi ya-wire EDM kusho ukuthola indawo eqinile phakathi kwezinsukwane ezintathu eziphazamisa ngokunjalo: isivinini sokuphazanyiswa, ubukhona bomfanekiso, nokugcina ubume bwebhadlela. Kuzimboni ezisetshenziswa kumakampi wezivumelwano njenge-titanium ne-Inconel, lokhu kumele kube yinkinga ekhasiwe. Ukunyuka kakhulu kwesibhedlela noma ukusebenzisa ingozi enkulu kungalapha amabhonko amancane kungalapha amandla abuye ahlala emateriali engakathandeki. Abasebenzi basephahla kufuneka bacwangise izilungiselelo zabo ngokulandela lo mthwalo wobhadlela abasebenzisana nalo. Sebenzisa umzekelo wemithwalo yesiperlayi yenikelu, lokhu kudinga ukudluliswa ngokushesha okuncane kunazo zonke izitebheli zomsebenzi uma sifuna ukuzivikela izinkinga njengekukhula kokusebenza okwenza ukusebenzisa kwamanje akhululekile.

Umazinyo Oluhlelo Olunyanisayo Ukuze Mthole Amathuba Amanje-Phansi Kwi-Alloys Ze-Titanium

Kuma alloy titanium njenge-Ti-6Al-4V, kudingeka ukusagula okuningi ukuze muthule umgqo ojwayelekile phansi kukaRa 0.1 µm. Indlela ephathelene kube ngu-:

• Isambatha kuqala : Isaphulelo esibangelayo ngu-0.3 mm/min nge-wire ya-0.25 mm ukususa izinto ezikhulu
• Isambatha sesibili : Ukugcina kancane ngu-0.1 mm/min nge-wire ya-0.2 mm, ukuphelisa ukwanda kwesilinganiso ngama-40%
• Isambatha sokugcina : Isaphulelo sokugcina phansi kwa-0.05 mm/min usebenzisa i-brass wire ehlanzekileyo ukuzivikela izinhlayiya zembali

Le ndlela eqondene iyakhaqaba ukuguquguquka kwezinkwa ngenkathi ikhumbula ubukhona bokulingana kuka±2 µm phakathi kwezinto ezinde 100 mm.

Ukubala isiphazamo-phakathi kweenkosi nezigaba sokuqhubeka kuma-Inconel 718 nezindiza zeTool Steels

Isivinini sekuqhubeka sibangela ubumnandi bokumiswa kumahlwempu wezinkwa:

• I-Inconel 718 : Ukukhupha ngama-12 m/min kuthola i-Ra 2.5 µm; ukunciphisa isivinini ku-7 m/min kuthuthukisa ubunjani ku-Ra 0.8 µm—ukhlupha okunciphake kakhulu ngama-40% kusivinini ukuze kube nesimprove esingu-68% emanzini akwenzekayo
• Izithuthi zomshini (D2) : Lindela i-Ra 1.2 µm ngama-15 m/min, ngelapho izivinini ezincane kune-20 m/min zayikhiqa imipisi engachaziwe ngokungahlanganiswa kwesampula

Imibuzo Evame Ukubuzwa

Yiziphi izenzo zokusebenzisa izinhlayiya zomshini we-wire EDM ezinezivinini ephantsi ukukhupha iziloyi?

Izinhlayiya zomshini ze-wire EDM ephantsi zabelana nembala yobuhle obuphephile, ekuvumela ukulawula kakhulu kwezidingo nebumba elihle kangangoko. Le ndlela iyisenzela ukunciphisa kakhulu umshumo wemishini nokunyuka kwesibindi, kuyidinga kakhulu amanzi amaningi nemigqa engalunganga.

Ukukhupha ngemvume ethile kungathuthukisa kanjani umbala wobuhle ekugcineni kwemoto ye-EDM?

Ukukhupha ngemvume ethile kuvumela ukulungiswa okuncane futhi kuthuthukise ibumba. Ngokusebenzisa imvume ethile, abasebenzi bangalungisa ukukhupha, bekungeziwe ibumba elingcono futhi bacindeze umkhondo wewire, okubaluleke kakhulu embangweni wamandla nezinhlelo zemedical.

Kungani ukulethwa kwezindleko ezithembekile kubalasekelo kumashini e-wire EDM?

Izindleko eziphathelene zivikela ukuthunjuluka kwezimali ngemva yokusebenza. Kumahluko athintekileyo ngenxa yezimali njenge-Inconel 718, izimali eziqinilelo zizibalulekile ukuze kuvikeleke ukugayaya kwamandla futhi kuhlolwe ubuchwepheshe kuqalekwa lwesilinganiso.

Ukuthini okukhawuleza isimo sokulahla kwe-dielectric kusisekelo?

Isimo esiphatha kakhulu sokulahla kwe-dielectric sikhupha kakhulu amaphutha ekusebenzeni ngokuphatha ngempumelelo i-sludge nokususa amagugu. Kusiza ekuvikelweni ukuthinta kwire futhi kunciphisa ubude bezinsuku zomsebenzi wamawire, okunikeza imiphumo emihle kumsebenzi wokusebenza.

Yiziphi izinto okufanele kuzwaqala xa ukhetha amawire e-electrode?

Ukuhetha amawire awo akhethwe ayidala ukuzwaqala kudayimetha, ukulayisha, nezimali. Kumahluko amakhulu, ukukhetha kwegama elingcono kumawire kugcina ubude obuqinile bokugayaya, kunciphisa ubude bekacipha, futhi kumemeza umsebenzi ohlelekile ngaphandle kokugayaya kwire ngemva yokusebenza.