Ukulinganisa Kokuqhuba KweDrilling Phakathi KweGama Lomshini WeDrilling ye-EDM Nenye Indlela Yomshini WeDrilling

Izinhlelo Zokusebenza: UkuDrillwa KwesiGama KumaChine vs UkuDrillwa Okuhlelwe

Isisekelo SeThermal Ablation Kumshini WeDrilling ye-EDM

Ukudrila kwe-EDM kusebenza ngokuthi kuthintana ngezenzo zezinhloso ukuthi ziqaphele izinto. Kabanzi, izixhumanisi zebhasi noma zekopha zithumela izinkukhanyi ezincane ezingenjalo ezihlakaniphile ekuthintaneni nezinto eziphathelene ngazo ngaphandle kokuthinta konke. Xa lezi zinkukhanyi zifaka kusuka kumugqa, zivakala izindawo ezincane zeziplasma ezikhulu kakhulu ezingena phansi kusuka kusahluko ngasinye. Inkathi yonke yokwenza kumele ibe nenhlaka esebenzwa ngokuthi iyisizakalo, okuvame ukuba yizimali noma iyu. Leli fluid lenza izinto ezintathu eziphambene: libhiza konke okushiyekile emva kokwenza umsebenzi, libandla phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade phakade ph......

Inkathi Yokukhupha Kwezimali Ngokudrila Kukhuni

Iindlela zokudlulula eziqinile zisebenza ngokuzukisa iitheki zokuphatha apho ziphatha izinto njengoko iindlebe zazinye zizifinyelela. Xa ezinye iitheki zifinyelela into, zenza ubuchwepheshe obungcinane, okanye kungeze kube 600 degrees Celsius xa kusebenziwe nge-stainless steel. Ngendlela enjalo yobuchwepheshe, kufuneka abasebenzisi babe ngcono neentshinga zokuphatha ngexesha elithile. Le ntshinga zikunceda ukulawula ubomi, ukunceda kwakumbi kwezixhobo, nokususa iichips zamanzi kwindawo yokusebenza. Kodwa kukho umda woko okoqukethwe kwayo okuqukethwe kuyo ukuhlala. Iziphumo ezingachaphazeki okanye apho amandla ase 45 HRC azinzela inkohlakalo. Iziphumo zazinxibelela ngokukhawuleza, zihlakele konke, okanye zinezilingo ezingakhathalwa kwiindlebe zokuphatha xa zisetyenziselwa kumazinyo amakhulu.

Uyiphindaphinda phakathi kwebuchwepheshe, ukuxhanyelwa kwezixhobo-nezinto, kunye nemisebenzi yomoya

I-EDM isondeza imandla kumazulu okukhupha emakhathini, noma kube 95% yezithunzi ekhuphwa ngaphandle ngendlela yokususa umlilo. Ngokuphambene, ukudiliza okuvamile kusondeza imandla kuze kube khona izindawo eziningi zokuphulwa, kakhuluma 30–40% njengesithunzi esiphelile. Nakuba i-EDM ihlinzela ukungqamuka kwesixuku nokweba okuthakatha, isikhathi sakhe sokudiliza ngasinye singaphezu kokuqhubeka komkhenkhe wodiliza.

Isivinini Somkhenkhe Wodiliza Futhi Ukusebenza Kakhulu Kuzimakoti Ezibuthaka Nezihlangothi

Ukuthinta Kwesilinganiso Sesimakoti Ekusebenzeni Komkhenkhe Wodiliza EDM

Ubuchwepheshe bezingqondo akusabalali kakhulu indlela u-EDM drilling ihlanzela ngokulinganisa kumendolo ethile apho izixhobo zilahlekisa kaka kwaye ziyalungisa xa zisebenzisa ntoni okuphakade kuma-45 HRC. U-EDM uphinde ubusa isiqhamo ngamaphepha afutha esingaphinde siphinde siphinde siyophula, ngoko ke usiya ngomzila ocula futhi uyahlala ulungile lapho kukhona i-tool steels ezinezubani (ezonke eziphakade kuma-60 HRC), i-ceramics, nezingqondo ezinzima ezingavumelekanga yizinyalo. Okuqukethwe kangaka lapha kukhono lokuhlanya kwesibindi. Izingqondo ezingahlanyi kahle umthwalo, njenge-Inconel 718, zihlanya umthwalo phambi kwenxa apho kuthintwa, okwenzeka ngendlela engcono ukuthembeka kwisigaba sezingqondo kulokho kufanelekile.

Ukulinganisa Isivinini e-Titanium, e-Superalloys, kanye e-Carbides

U-EDM drilling uphumelela kakhulu kumendolo ethile ezingqondweni ezihlaza. Ngokwesicwangciso sika-SME 2023, u-EDM unikeza isivinini esiphefumula 2–4” e-Titanium Grade 5 kunemithodi yomehluko:

Lo msebenzi uyavuma kumandla ka-EDM okungazange kuthintwe yisixwayiso sezixhobo, ukuxhasa, nokukhanya komsebenzi—izinto ezithintekayo ngokwesiqinisekiso ISO 5755-2022 ngenqanaba yomgaqo wengcambu. Ngaphandle kokugqwalisa kwemikhumbi, isebenza sendawo siphazamiswa ngama-40%, okwenzeka kakhulu kumelekeleko yokusebenza.

Ukucopheleka, Ukuphefumula Kusebe, Nokwakhiwa Kwengcambu Ngezilinganiso Ezide

Ukufinyelela Kwizilinganiso ezingaphezu Kwesibili-10 µm Nangamacambu Angafuni Amabhuluka Ngokusebenzisa i-EDM

Ukugcina kwe-electrical discharge kufinyelela ekuphindzeni kwemikroni, kakhulu kuyakha izimo eziphansi kuma-10 emikronini ngendlela yokuthwala kwalapho umthebiso wokunyukela kuyashintshwa. Ngoba umthevudo unyukiwa ngolwazi olwawo kodwa akushintshwi ngendlela yokuqhuba, imiba njengezikhumba, izihlangu zimfushane, noma izindlebe ezithuthile ayizange zibonakale. Ngaleso sikhathi abasebenzi basebenzisa i-EDM kubalulekile kumakampuni okulima nokuziphatha. Cabanga ngamaphutha okunyusa isiphiwo noma amabhola emathuluzi esiphilweni lapho ukungahle kwezinkinga ezincinci kungaba yisiphumo senkinga noma ububi bezimpilo. Akunazo wonke lo mlando wokuhweba, i-EDM iyasebenza kakhulu kumethevudo embalwa kakhulu. Iyasebenza nezindlu ezingaphezu kuka-60 HRC nezindlu ezingafanelekile ngaphandle kokuthi zivezele noma zihlukane. Abasayinji bakhombisa ukuthi kunezinkinga eziphansi kunge-40% uma i-EDM isebenziswa kunalokho kusetyenziswa ngendlela yokudonsa, lokhu kungekhona kuphela kodwa kuncike kakhulu ngexesha elide.

Ubunjingiqo bokwanda (Ra): EDM (0.2–0.8 µm) ngemuva kukaConventional (1.6–6.3 µm) ku-17-4PH Stainless Steel

Xa kusebenziswa nge-17-4PH stainless steel, i-EDM ingasebenza ngokuphelana kwezinto ezivuthiwe phakathi kwe-0.2 kuya ku-0.8 micrometers Ra. Lokhu kungaphezu kwezikhombisa ezishiyagalombili kunalokho esithola ngcono kakhulu kuma drilling methods okwenzeka phakathi kwe-1.6 kuya ku-6.3 micrometers. Umsebenzi wokudotsheka kwespark wenza izihlalo eziphathelene ngaphandle kwezimpawu zomshini, izincwadi ezingahlali, noma imiba yokuguquka kwegazi. Izinto ezigcinelwa ngokusheshayo njengezinyongo ze-hydraulic valves nezinkundla zebearing zifawula kakhulu kule ndlela yokuphelana ngoba kunciphisa ukugaya futhi kusho ukuthi lezi zinto zilindele ngaphandle kokudingeka kubuyiselwa. Xa sibuka kumasekelo ethu ekuphileni ngokujikeleza kwezimali, abazalisi abaningi bafuna baze bangasingeki amandla okuphazamisekela emva kwe-EDM processing. Lokhu kuphela kuncipha phakathi kwe-25 kuya ku-35 iphesenti yonke indlela yabo yokuxwaya ngokuthi kuchazwe yizinhlangano eziningi.

Ukucindezelwa Kwemishini, Ukuphatha, Nokusebenza Okuhle Kusihlalo

Ukungahlelwa Kwezixhobo Zomlando ku-Machine Yokuqhasha Kwamandla EDI ngaphandle Kokuhlelwa Kwisixhobo Ngokushesha Kuze Kufike Kuze Kuphazanyiswa

Ngokudrila nge-EDM, akukho ukulahlekelwa kwezixhobo zomkondo ngamandla njengoko ikhodi ayiphindaphindi inkqubo. Esikhundleni sena, ikhodi ilahlekela ngokuthula kanye ngendlela ebalulekileyo ngokuhluka kwezimali xa izibhamu ziphosakala. Lokhu kusho ukuthi i-EDM electrodes zilondoloza ubungakanani babo kangangoba imisebenzi engu-500. Isibonelo esihle kukuthi ikhodi e-EDM engu-1 ingadlala ngaphezu kwezigaba ezingu-500 ematholeni amaningi njenge-Inconel bese kufuneka ichashwe. Izidrili ezivuseleleyo zikarbonayithi zibhalalala ngendlela eyahlukene. Kuzenzakala ukuthi kudingeka kuchashwe emva kwezigaba ezingu-30 uze kube ngu-50 kumathola afanayo ngoba zihlukunyezwa yezinkinga ezifana nokulahlekelwa kwegunya, ukudala kwezigaba, nezicubu zegunya. Ngokuphatheka kwemvumelelo, izinhlelo ze-EDM zidinga kuphela ukugcina izimpilo zomoya wesimilo futhi kusuke kwenzeke ukulungisa okwesikhathi ekhodini. Le ndlela isusa ukulahlekelwa kokusebenza okungadingeki kabusha phakathi kwe-40 kuye kube ngu-60 iphesenti kunzulu kunezindlela eziphucake apho abasebenzi bayishintsha izixhobo ngokuphindaphinda, bahlaziyela izinkuni, bangenje izimpilo, bahlungise izinhlangothi. Uma sibuka isigaba esikhulu, abafana bezithuthi bakhona ukuthi banelahlekelwa kwezimali ezingu-30 iphesenti emva kwezinsuku ngokuxoxwa ngezinkinga ezithile zokwenza izixhobo eziphathelene nomlando.

Imibuzo Evame Ukubuzwa

Ukuchaza okuphambene kuka EDM ukugcwalisa kunzulu ngokugcwalisa kwenzululwane?

Isiphazamiso esiphakeme siya ku EDM ukugcwalisa kungumsebenzi wokugcwalisa izinto ezibomvu (ngaphezu kuka-60 HRC) ngaphandle kokwenza ubuchwepheshe noma ukuguquka kwezinto ezigcwaliswayo, ngasemva kwezindlela ezinzulu.

Kungani ukugcwalisa kuka EDM kudinga umshwelo we-dielectric?

Umshwelo we-dielectric ukugcwalisweni kuka EDM uyisisekelo ekususa izinkcazelo zomgcwalisi, ukulima i-electrodes, nokunika isilinda esidingekayo ekulawuleni umgcwaliso wesivuno.

Ukugcwalisa kuka EDM kuthinta kanjani umgwaqo wesayizi kulandela ukugcwalisa kwenzululwane?

Ukugcwalisa kuka EDM kungasebenzisa umgwaqo omuhle kangaka, ohlala uphawula phakathi kuka-Ra 0.2 ne-0.8 µm, ngasemva kuka-ukugcwalisa kwenzululwane okuhlala kuphawula phakathi kuka-1.6 ne-6.3 µm.

Ikhona yini into eyayodlala ekugcwaliseni kuka EDM?

Cha, ukudrila kwe-EDM kungahoyi ukulahlekelwa kwemisebenzi ngoba igcinele ayiqhuthe ngendlela yomsebenzi isahluko, okusinika izixhobo ezidinga kunezixhobo eziphathwayo ezifumaneka ukulahleka kakhulu.