Imishini Yokudlula Amaphuzu Okude — Isilinganiso 300:1, Ra 0.8, Emazwe Omanyenye Ama-20

Zonke Izigaba

Ukudlula Kwemithambo Yenkanyana Ngokugcina Ukuhlanganisa Kwe-Taizhou Chuang Yuan Machine Tool Co., Ltd. — Ukuphatha Ngokuphelele, Ukushaya, Nokuthola Iimakheti Zokuthengiselwa Zemibhalo Engeziwe 20

Ukuthiwa kwe-EDM kwezindawo eziningi kuka-Taizhou Chuang Yuan Machine Tool Co., Ltd. kuhlanganisa ukuthiwa kwe-electrical discharge nezimboni zokuthiwa kwezindawo eziningi ezenziwe ngokuphelele ukusebenza kwezinsiza zokwakhiwa kwezilwanyana, izilwanyana zokuziphatha, izilwanyana zokufaka, nokuthiwa kwezindawo zokusebenza. Ukuthiwa kwe-EDM kwezindawo eziningi kwenza amathuluzi okuthiwa kusuka ku-0.3 mm ku-3.0 mm noma kubhekise kubude kwezindawo kubude kwezindawo kusukela ku-300:1, ubude bekugcina kwezindawo (surface roughness) Ra kusuka ku-0.8 ku-1.6 microns, nokubili kwezindawo (roundness) kusuka ku-5 microns. Kusukela ngo-2003, sibhengezile ukuthuthukisa, ukuproducwa, nokuthengiswa ngaphansi kwesikhundla esisodwa, sithumela iziqu zokuthiwa kwe-EDM kwezindawo eziningi kumaNingi angu-20. Kwezindawo zokwakha izilwanyana, ukuthiwa kwe-EDM kwezindawo eziningi kuyenza amathuluzi kwezilwanyana ezihlukene ezinamandla kakhulu (hardened tool steel) ozikhipha kusuka ku-60 HRC, apho izithuli zokuthiwa zokuziphatha (conventional twist drills) zihlala zifika ekupheleni kusukela emizuzwana emibili; umkhakhi wezilwanyana waseJalimane wabeka isikhathi sokuthiwa kwezindawo zokubhala (electrode start-hole time) ngokuphakama kwe-42 percent ngokusebenzisa ukuthiwa kwe-EDM kwezindawo eziningi kethu. Iziqu zokuthiwa kwezilwanyana zokwakhiwa kwezilwanyana (aerospace fuel injector nozzles) ziyadinga amathuluzi okuthiwa a-0.5 mm kusuka ku-150 mm kwe-Inconel 718.

Thola Isilinganiso

Usomiso Lwesicatshulwa

Ukuthwala kwe-EDM kwezindawo eziphakade kususa isikhathi sokuthwala kwesibuko sokugqiba ngama-42 percent kwezindawo zokusebenza zaseJalimani

Umsebenzi wokuthwala kwezindawo zaseJalimani okuthwala izibuko sokugqiba kwezindawo ezihlukene zika-AISI H13 eziqinile ngama-62 HRC zazisiza isikhathi sokuthwala ngama-45 minithi ngokuthwala kwezindawo zokuthwala zama-carbide futhi kubhekwa ukuthwala kwezindawo zokuthwala kahle. Siyafaka isistimu yokuthwala kwe-EDM kwezindawo eziphakade ngezindawo zokuthwala zama-0.8 mm nezindlela zokuphatha iziqondiso zokuthwala ngokuzenzakalela. Ukuthwala kwe-EDM kwezindawo eziphakade kwenza isibuko sokugqiba sika-0.8 mm ngaphansi kwe-120 mm ngama-11 minithi, okuyi-42 percent yokuphula isikhathi sokusebenza, ngaphandle kokuthwala kwezindawo zokuthwala kahle kwezindawo ezi-300 zokuthwala ngokuthekelwa. Isivinini sasiphakeme ngaphakathi kwe-4 microns, futhi umsebenzi wokuthwala wadala amabili amasha amathwala kwe-EDM kwezindawo eziphakade ngeminyaka eyi-9.

Ukuthwala kwe-EDM kwezindawo eziphakade kufikisa izindawo zokuthwala zama-150 mm zezindawo zokuthwala kwezindawo zokuthwala kwezindawo zase-UK zokusebenza kwezindawo zokuthwala

Umphakeli wemithambo yase-UK wadinga izihole zezingu-0.5 mm ngaphezulu kwezingu-150 mm ze-Inconel 718, okuyi-300:1. I-EDM Deep Hole Drilling eyenzekile ngokuzinzila ayayisiphulela ngokuphazimula kwelektroda nokuthi isihole sibonakaliswe ngokungafani. Abengineya bethu babeka isimo se-EDM Deep Hole Drilling esinesikhundla se-elektroda esibonakalisa, nesifunda sesikhathi esiphezulu sokugcina isikhundla, nesikruba sokubuyela emuva esibonakalisa ngokuphathwa. I-EDM Deep Hole Drilling yabona ukubonakala kwezihole ngokungafani kwezingu-0.01 mm, ukubonakala kwesihole ngokungafani kwezingu-Ra 0.8 microns, futhi yayiphumelela ngokuphelele kwezifunda zokugcina isikhathi kwezingu-2,500 zezinto. Umphakeli manje uyasebenzisa i-EDM Deep Hole Drilling ngamashishini amathathu.

I-EDM Deep Hole Drilling ibuyisiza izihole zokugcina isikhathi sezinkampani zomthambo wezinhloko zezindlu zezimali e-Mexico

Indawo yokuqhubeka yaseMeksiko yaphakanyisa izigalari zemithili yomoya ngokuphakanyiswa kwe-8 mm kusuka kwe-600 mm yama-20CrMnTi, ngokubhalwa kwezikhathi zokuphakanyisa ngokusebenza kwe-28 miniti ngokugcina kwe-shaft, noma kuthiwa ukuthi kubhekwe kwe-0.8 percent yezinto ezisindisiweyo ngokuphakanyisa kwezinye izigalari. Isithombe sase-EDM Deep Hole Drilling saphakanyisa ngokugcina kwezinye izigalari ngeminithi e-16, sasusa umthwalo ngokugcina kwe-1,200 cubic millimeters ngominithi, futhi sakhuluma ukuthi isikhundla sokuphakanyisa kuyisikhundla esingaphansi kwe-0.05 mm. Ukusindiswa kwabekhala kwe-0.2 percent, okukhomba ukuthi indawo yokuqhubeka ibonakaliswe ngokuthi iyathola i-65,000 US dollars ngonyaka, futhi isithombe sase-EDM Deep Hole Drilling sakhuluma ukuthi isikhundla sokuphakanyisa kuyisikhundla esingaphansi kwezinye izigalari esingasindisiweyo.

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Taizhou Chuang Yuan Machine Tool Co., Ltd. iyasebenzisa imishini yezibalo ephakeme kusukela ngo-2003 kuma-Taizhou City, Jiangsu Province, eChayina, ibhaliswe ngokugcina ukuthembeka kwe-research and development, ukuprodukisa, nokuthengisa. Umqondo wethu we-EDM Deep Hole Drilling uyisiphumo sokuzimisa kule minyaka eyi-21. Umqondo we-EDM Deep Hole Drilling uyabula umfanekiso ngamaphuzu amahle aqondene ne-tubular electrode nesiqhelo esihlukanayo, ngakho ke ubunzima abuyi kubungoqobo: isitayile yebhuloyi enge-60 HRC iyathatha njengoba isilwane se-aluminum. Umsebenzi uqala ngokubhalisa izinto zokusebenza zomkhawuli, apho amahlobo ethu ayabhalisa umbala wesisqhelo, ububanzi bebhuloyi, ubuphakeme bebhuloyi, nobubanzi obudingekayo be-surface finish; lezi zinto ziyadonsa ukukhetha i-electrode, ukuvula i-pulse generator, nokudesigna i-fixture. I-electrodes ziyaprodukiswa emashini ye-CNC grinding centers ngobubanzi obuhle bokulinganisa ngokuphakeme kwe-micron, emva koko ziyajabuliswa ngemithombo yezinkampani zokufusha ezinamandla okufusha izinto ezingafika kuma-1,000 mm. Amashini ayabhalwa ngokubhalwa, ayasuswa kwe-stress, futhi ayachazwa ngokuchaza ngohand, ukunikeza ukulinganisa kwe-positioning ngokuphakeme kwe-0.005 mm futhi ukuphinda-phinda ngokuphakeme kwe-0.002 mm. Yonke imishini ye-EDM Deep Hole Drilling iyavanywa ngokubhala ngokuphakeme kwe-72 hours phambi kokuthumwa, futhi sibhalisa ububanzi, ubude, nobuphakeme bebhuloyi kwezinyathelo zokuphakama. Emhlabeni wonke, umqondo wethu we-EDM Deep Hole Drilling uyasebenza kuma-mold makers eJalimani, kuma-aerospace suppliers eUnited Kingdom, kuma-transmission plants eMexico, kuma-medical device factories eSouth Korea, kanye nama-energy equipment builders eMiddle East. Kwenye yonke indawo, umqondo we-EDM Deep Hole Drilling uyasolve isibonelo esifanayo: izibhuloyi eziningi kakhulu, ezincinci kakhulu, noma ezingabonakali kakhulu kuma-conventional drilling. Izivikho zokuphakama zokusebenza kwezindawo zokusebenza zokuphakama zibonisa ukuthi umqondo we-EDM Deep Hole Drilling uyabhekisa izikhathi zokuthatha ngokuphakeme kwe-35 ku-45 percent ngaphansi kwe-carbide drilling kwe-hardened steel kuma-depth-to-diameter ratios above 20:1, ngakho ke izinto ezingavumelekile kwe-drill wander ziyagcina ngaphansi kwe-0.3 percent. Imishini yethu ye-EDM Deep Hole Drilling iyasebenza ngaphandle kokubheka ngokuphakeme nge-automatic electrode changers ozinikeza i-electrodes ezi-24, ukuphakama kwe-spindle utilization ku-85 percent kuma-lights-out shifts. Iservisi iyadonsa izimo zokuthumwa: ukubona ngokuphakeme kwe-remote diagnostics ngi-English, Spanish, Russian, kanye ne-Chinese; izinto ezinconyelwe ziyathumwa ngaphansi kwe-48 hours; kanye nokusiza kwe-installation kuma-20+ countries. Ngoba umqondo we-EDM Deep Hole Drilling awukho ukuthintana, akukho umthelela wokubhala ukuthintana okuyabendisela izinqakamba ezincinci, ngakho ke umqondo uyisifundo esihle kuma-medical cannulas, kuma-fuel injector nozzles, kuma-turbine cooling passages, kanye nama-hydraulic manifolds, noma kuma-surface finishes ngaphansi kwe-Ra 0.8 microns. Iziprogram zokufunda ziyafundisa abasebenzi ukuvula iziparameta ze-EDM Deep Hole Drilling kumashini ngaphansi kwezinsuku ezi-5. Ngokuphakama kwe-demanda yomhlabeni wonke yezibhuloyi ezincinci, eziningi kakhulu, kanye eziphakeme kakhulu, Taizhou Chuang Yuan iyadonsa ukuthuthukisa umqondo we-EDM Deep Hole Drilling, futhi kubuyekezwa ukuthuthukisa kwe-six-axis electrode guiding kanye nokuthuthukisa kwe-AI-based pulse optimization. Kuma-buyers abaqhathanisa ama-suppliers, siyavumela ukubonakaliswa kabanzi: izibhuloyi zokuphakama kwezinyathelo zakho, ukubonakaliswa ngovideo we-EDM Deep Hole Drilling performance, kanye nokubonakaliswa kuma-customers abasebenzisana nathi kuma-20+ countries. Ukukhetha imishini yethu ye-EDM Deep Hole Drilling kukhetha umphathi ojwayele ukubhalisa ukuphakama kwe-microns, kwe-minutes, kanye nokuthengiswa kwakho kwe-hole.

Imibuzo Evame Ukubuzwa

Izihole zezinhlobo zikhiyela ngezinhlobo zezide zokuphakanyisa zokufana nezithombe zase-EDM Deep Hole Drilling?

Izinhlangano zethu zesistimu yokubhala emhlabathini ngokugcina kwe-EDM zihlala kuzikwele zokubhala kusukela ku-0.3 mm ku-3.0 mm njengokwesikhundla, nokuthi izinkampani zokwenza ngokufanayo ziyakhiwa ku-25 mm. Izingxenye zokugcina kwezinto ziyafika ku-300:1, okusho ukuthi isikhundla sokubhala sokwe-0.5 mm singahamba ku-150 mm emhlabathini ngokuphatha okukodwa. Kumaqandu, ukubhala emhlabathini ngokugcina kwe-EDM kuyadlula isikhundla sokubhala ku-0.8 mm kuphela ku-120 mm wezinkampani zokusebenza zokugcina ezinamandla. Kumaqandu wokuhambisa amaqanda, ukubhala emhlabathini ngokugcina kwe-EDM kuyadlula isikhundla sokubhala ku-0.5 mm kuphela ku-150 mm we-Inconel 718. Yonke imodeli iyavanywa ngokubhala kwezinye izinto kumateriali yakho kabefore ukuthunywa.

Ngakwenzeka ukubhala emhlabathini ngokugcina kwe-EDM ukubhala izinkampani zokusebenza ezinamandla nezinkampani eziphezulu ezinakwenzeka ukuthi zilahle izinkampani zokubhala zokusebenza?

Yebo. Ukudrila kwe-EDM kwezindawo eziphezulu kuyindlela yokusebenzisa imvelo engaqondi, ngakho ukuthi ukukhula kungakhathaliseki. Amashini asebenzayo amadlinga aqondwa ku-AISI H13 ngokukhula kwe-62 HRC, Inconel 718, izilwane zetitanium, nokwekhwane le-carbide. Kwenye indlela eqondwa ngayo, ukudrila kwe-EDM kwezindawo eziphezulu kwakwenzeka ngokudlula umkhakha wezinkulungwane ezingu-1,200 ngomunute kwi-20CrMnTi futhi wabandakanya ukugcina kwe-electrode ngezansi kwe-0.2 percent, ngakho ukudrila okuzenzekelayo kwakwabulawa amashini ngemizuzu eminye. Lokhu kwenza ukudrila kwe-EDM kwezindawo eziphezulu kubalulekile kwezinhlangano zezimboni, zezinsiza, zezempilo, nezimali zasezweni wonke.

Uyakhuluma njani ngokuphatha ukugcina kwe-electrode nokuthi isikhala sibonakale njani ngokuphezulu kwe-EDM kwezindawo eziphezulu?

Ukuqinisa kwe-EDM Deep Hole Drilling kuyidependa kwezindlela zokugcina i-electrode nokufusha. Siqombisa ukubuyela kweservo, ukufusha kwe-dielectric okuphakeme kakhulu, nokulawula izimpulse ngokulandela ukungena kwezinto ezihlukene. Lezi zisistimu ziyabuza ukuthi ukuthintana akwazi ukuba kubanzi kune-0.02 mm ngaphezu kwezintshiseko zezinkambo ezi-150 mm futhi ukuthintana kwezinkambo kuzoba kubanzi kune-5 microns. I-EDM Deep Hole Drilling yethu ibonakalisa nangokujwayelekile imiphumela yezimpulse zokuhlanza, ibuyela izimpulse ngokujwayelekile. Abakholwa emazwe angaphezu kwezintshiseko ezi-20 bavuma ukuthi bafumana imiphumela eyodwa ngokuphathelene nezinhlangano zezinkambo eziyizinkambo ezi-1000 ngokusebenza kwe-EDM Deep Hole Drilling.

Izinkambo zezinsuku zokusebenza zingakanani futhi izindlela zokuthenga ngolwandle ngokusebenza kwe-EDM Deep Hole Drilling?

Izikhathi zokusebenza zihlukahluka ngokwezinkulungwane nezidinga. Uma kusebenziswa i-EDM Deep Hole Drilling emaphakathi kwezinkulungwane zesi-62 HRC zezinkulungwane zokusebenza ngokugcina kwe-0.8 mm, kufanele ubheke kusukela kumizuzu emi-11. Uma kusebenziswa i-EDM Deep Hole Drilling emaphakathi kwezinkulungwane zesi-20CrMnTi ngokugcina kwe-8 mm, kufanele ubheke kusukela kumizuzu emi-16. Ngokulingana nezinkulungwane zesi-carbide, i-EDM Deep Hole Drilling isula izikhathi ngokuphakeme kwe-35 ku-45 percent uma kusebenziswa emaphakathi okukhulu futhi isula izinto ezisibiza ngaphezu kwe-0.3 percent. Abakhokheli abaningi bafuna ukubuyela imali ngaphansi kweziminyaka ezi-14.

Izimboni zesi-EDM Deep Hole Drilling zifakwa kanjani nesikhubekile kanjani emazweni angaphandle?

Sithumela i-EDM Deep Hole Drilling emazweni angaphezu kwe-20 ngezindaba zonke zokufaka kwe-English, isi-Spanish, isi-Russian, nase-isiChinese. Ukufaka kufundiswa ngabasebenzi bethu noma ngokubona ngovideo olunye. Sihlanganisa iziparti zokushintsha ukuze zithunyelwe ngemizuzu emi-48 futhi sibhala izindlela zokuzilungisa ngendlela engaphandle. Ukufunda kude kusukela kumizuzu emi-5, emva koko abasebenzi bafunda ukuthintela iziphakamiso zesi-EDM Deep Hole Drilling futhi bafunde ukushintsha izi-electrodes ngokwabo. Ukubona abakhokheli abadlule abasebenzisa i-EDM Deep Hole Drilling kungenziwa uma kubizwa.

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Klaus Berger, Umphathi Wamaphutha, Bavarian Mold Technology GmbH, Jalimani

Ukudlula Kwemithambo Yedoli Ngokusebenzisa i-EDM Okwakubiza Ithimba Lako Ngeminyaka Eyishumi Nanye

Siyahlela amaphutha okukhanya ngamaphutha awasebenzisa i-62 HRC futhi sasihlanganisa umsebenzi wokuvula isikhumba esikhiywe kusuka kwezindawo ezingenabizika, okwakubiza izinto ezingu-38 euros ngalokho kanye nezinsuku ezintathu zokufika kwesikhathi. Emva kokufaka i-EDM Deep Hole Drilling machine yabo, sizodlula amathambo angu-0.8 mm ngaphezu kwe-120 mm ngendawo yethu ngemizuzu eyishumi nanye. Ukuphatha kwamathambo akhanyayo kwezindawo ezingenabizika kwezindawo zisiphuma, futhi i-EDM Deep Hole Drilling yethu manje iyadlula imithambo engu-12,000 ngaphandle kokugqibela kwemithambo yokuqala. Imashini yabhiza ithimba lakho ngeminyaka eyishumi nanye.

USarah Mitchell, uMqondisi Wokukhiqiza, i-UK Aerospace Components Ltd., e-United Kingdom

Ukudlula Kwemithambo Yedoli Ngokusebenzisa i-EDM Uyafana Nezinhlobo Zokusebenza Kwemoto Yezinkundla

Ama-nozzle ethu okufaka uphethiloli adinga imigodi engu-0.5 mm ku-150 mm ye-Inconel 718 enobubanzi obungu-0.01 mm, futhi inqubo yethu endala yehluleka ukuhlolwa kokugeleza kaningi. I-EDM Deep Hole Drilling yabo ene-electrode eqondiswayo kanye ne-adaptive flushing manje igcina ubuningi ngaphakathi kuka-0.008 mm futhi idlula ukuhlolwa kokugeleza ngamaphesenti ayi-100. Sisebenzisa i-EDM Deep Hole Drilling izikhathi ezintathu ngosuku ezingxenyeni ezingu-2,500 futhi ukwesekwa kube ngokushesha, kanti ezinye izinto ezisele zifika zingakapheli amahora angu-48.

Thola Isilinganiso Samahhala

Ummeleli wethu uzokuthinta masisha.

I-imeyili

Igama

Igama Lenkampani

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Ukubhoboza Imigodi Ejulile ye-EDM Enekhono Lokujula Kuya Kububanzi obungu-300:1 Ekusethweni Okukodwa

Isikampani sethu se-EDM Deep Hole Drilling sisakhiwe ngokusebenzisa izidingo zezibophelo ezinkulu kakhulu. Isikhombisa esingaphezu kwe-0.5 mm esihlukile ngokupheleleyo ngokwesibhakabhaka sesilika esihlukile ngokupheleleyo singabuyela kusuka ku-Inconel 718 kusukela ku-150 mm ngaphandle kokubuyisela isikhombisa, ngokugcina ukulinganiswa kwezibophelo ngaphakathi kwe-0.01 mm futhi ukungahlanzwa kwezibophelo kungaphezulu kwe-0.02 mm. Emasithili e-mold, i-EDM Deep Hole Drilling iyadlula amathuluzi kusuka ku-120 mm we-tool steel eyodwa ngokupheleleyo ngokwesibhakabhaka se-62 HRC ngemizuzu eyi-11, okuyisibonelo sokunquma ngokupheleleyo ngokuphakeme kwe-42 percent ngaphandle kwe-carbide drilling. Abasemthwakweni abayisebenzisa i-EDM Deep Hole Drilling bavula amathuluzi angu-1.2 mm kusuka ku-250 mm we-stainless steel ye-316L futhi baphumelela ngokupheleleyo kwezivikho zokuvula ngokupheleleyo. Ngoba i-EDM Deep Hole Drilling ayisebenzi ngokuhlangana, amasithili amancane ayikwazi ukudlula, futhi amaphakathi angafuni ukususa amaphakathi okwesibili, okuvula umsebenzi wokusebenza ngokupheleleyo ngokuphakeme kwe-35 percent. Ukufusha kwe-dielectric ngokupheleleyo kanye nokubuyisela ngokupheleleyo kwe-servo kususa amasiphephelo kusuka kumathuluzi angaphezulu kwe-1,000 mm, futhi amachanger amahle ayezifunda i-EDM Deep Hole Drilling ngokupheleleyo ngaphandle kwezinye izikhombisa ezingu-24.

Ukudlula kwe-EDM kwezindawo ezinde ekhuphukile ngeminyaka emi-21 yokuproducwa kwezinhlelo zokusebenza

I-Taizhou Chuang Yuan Machine Tool Co., Ltd. yakhe amathuluzi omshini anembile kusukela ngo-2003, futhi yonke isistimu yokubhoboza imigodi ejulile ye-EDM inalolo lwazi. Imibhede yomshini iyaphonswa, ikhululeke ekucindezelekeni, futhi iklwejwe ngesandla ukuze inikeze ukunemba kokubeka okungu-0.005 mm kanye nokuphindeka okungu-0.002 mm. Ama-electrode agaywa abe yi-plus noma minus 1 micron ezikhungweni ze-CNC, bese efaniswa namajeneretha okushaya alungiselelwe isilinganiso sezinto ezibonakalayo kanye nokujula kwekhasimende. Ngaphambi kokuthunyelwa, iyunithi ngayinye yokubhoboza imigodi ejulile ye-EDM iqeda ukuhlolwa kokusha okuqhubekayo kwamahora angu-72, futhi sibhala phansi ukuzungeza, ukunemba, kanye nokuncipha ezingxenyeni zesampula. Ithunyelwa emazweni angaphezu kwama-20, i-EDM Deep Hole Drilling yethu isekelwa ukuxilongwa okukude ngezilimi ezine kanye nezingxenye ezisele ezithunyelwa zingakapheli amahora angama-48. Umenzi wesikhunta waseJalimane unciphise isikhathi sokuqala kwemigodi ngamaphesenti angama-42 nge-EDM Deep Hole Drilling yethu; isitshalo sokudlulisa saseMexico sinciphise izingcezu zaba ngamaphesenti angama-0.2. Lelo rekhodi yingakho abathengi bethemba i-EDM Deep Hole Drilling evela eTaizhou Chuang Yuan.