An fi amfani da Edm don yin gyare-gyare da sassa tare da hadaddun siffofi na ramuka da cavities; Sarrafa kayan aiki daban-daban, kamar gami da ƙarfe mai tauri; Yin aiki mai zurfi da ramuka masu kyau, ramuka na musamman, ramuka mai zurfi, kunkuntar haɗin gwiwa da yanke yankan bakin ciki, da dai sauransu; Machining daban-daban forming kayan aikin, samfuri da zaren zobe gauges, da dai sauransu.
Ka'idar aiki
A lokacin EDM, da kayan aiki da lantarki da kuma workpiece suna bi da bi da alaka da biyu sanduna na bugun jini samar da wutar lantarki da kuma nutsewa a cikin aiki ruwa, ko da aiki ruwa da aka caje a cikin fitarwa rata.The kayan aiki lantarki da ake sarrafawa don ciyar da workpiece ta hanyar rata atomatik kula da tsarin. Lokacin da tazarar da ke tsakanin na'urorin biyu ta kai wani tazara, ƙarfin ƙarfin da ake amfani da shi a kan na'urorin lantarki guda biyu zai rushe ruwa mai aiki kuma ya haifar da fitar da walƙiya.
A cikin ƙananan tashar fitarwa, babban adadin kuzarin zafi yana mai da hankali nan take, zafin jiki na iya zama sama da 10000 ℃ kuma matsa lamba kuma yana da canji mai kaifi, don haka kayan ƙarfe na gida na gano kayan aiki a saman wannan batu nan da nan. narke da vaporize, da fashe a cikin ruwa mai aiki, da sauri condense, samar da m karfe barbashi, kuma za a dauke ta da aiki ruwa. A wannan lokaci a kan surface na workpiece zai bar wani kankanin rami. Alamun, fitarwar ta tsaya a takaice, ruwan aiki tsakanin na'urorin lantarki guda biyu don dawo da yanayin rufewa.
Ƙarfin bugun bugun jini na gaba ya karye a wani wuri inda na'urorin lantarki suna kusa da juna, suna haifar da fitar da tartsatsi kuma suna maimaita aikin. Don haka, duk da cewa adadin da aka lalata a kowane nau'in bugun jini yana da ƙanƙanta, ƙarin ƙarfe na iya lalacewa saboda haka. zuwa dubban bugun bugun jini a sakan daya, tare da takamaiman aiki.
A ƙarƙashin yanayin kiyaye tazarar fitarwa ta yau da kullun tsakanin na'urar lantarki da kayan aiki, ƙarfe na kayan aikin yana lalata yayin da ake ci gaba da ciyar da na'urar a cikin kayan aikin, kuma a ƙarshe ana sarrafa sifar da ta dace da sifar kayan aikin lantarki. Sabili da haka, idan dai siffar na'urar lantarki da kuma yanayin motsi na dangi tsakanin kayan aiki da kayan aiki, za a iya yin amfani da nau'i-nau'i masu rikitarwa. Lalata-resistant kayan da kyau conductivity, high narkewa batu da sauki aiki, irin su jan karfe, graphite, jan karfe-tungsten gami da molybdenum. A cikin aiwatar da machining, da kayan aiki lantarki kuma yana da hasara, amma kasa da adadin lalata na workpiece karfe, ko ma kusa da babu asara.
A matsayin matsakaiciyar fitarwa, ruwa mai aiki kuma yana taka rawa a cikin sanyaya da cire guntu yayin sarrafawa. Ruwayoyin aiki na yau da kullun suna da matsakaici tare da ƙarancin danko, babban madaidaicin walƙiya da aikin barga, irin su kananzir, ruwa mai narkewa da emulsion.Electric spark machine is. wani nau'i na zubar da kai, sifofinsa sune kamar haka: electrodes guda biyu na fitar da tartsatsin suna da karfin wuta mai yawa kafin fitarwa, idan na'urorin biyu suka gabato, matsakaicin ya lalace, sannan walƙiya fitarwa. Yana faruwa.Tare da tsarin rushewa, juriya tsakanin nau'ikan lantarki guda biyu yana raguwa sosai, kuma ƙarfin wutar lantarki tsakanin na'urorin kuma yana raguwa sosai.Tashar wutar lantarki dole ne a kashe a cikin lokaci bayan an kiyaye shi na ɗan gajeren lokaci (yawanci 10-7-). 10-3s) don kula da halayen "sanyi mai sanyi" na fitar da walƙiya (watau, ƙarfin zafi na tashar tashar makamashi ba ta kai zurfin wutar lantarki a cikin lokaci), don haka ana amfani da makamashin tashar. Tasirin makamashin tashar zai iya sa wutar lantarki ta lalace a cikin gida.Hanyar da yanayin lalata da ke haifarwa yayin amfani da fitar da walƙiya yana aiwatar da mashin ɗin ƙira zuwa kayan aikin ana kiransa wutar lantarki ta wutan lantarki. ruwa matsakaici tsakanin ƙananan ƙarfin lantarki. Bisa ga nau'i na kayan aiki na lantarki da kuma halaye na motsi na dangi tsakanin kayan aiki da kayan aiki, edM za a iya raba zuwa biyar. Type.Wire-yanke edM yankan conductive kayan ta amfani da axially motsi waya a matsayin kayan aiki lantarki da workpiece motsi tare da ake so siffar da girman; Edm nika ta amfani da waya ko forming conductive nika dabaran a matsayin kayan aiki lantarki ga keyhole ko kafa nika; Amfani da machining thread zobe. gage, thread toshe gage [1], kaya da dai sauransu.Ƙananan rami sarrafa, surface alloying, surface ƙarfafa da sauran nau'i na aiki.Edm iya sarrafa kayan da hadaddun siffofi. waɗanda suke da wuya a yanke ta hanyar mashin ɗin yau da kullun.Babu ƙarfin yankewa yayin machining;Ba ya samar da burr da yankan tsagi da sauran lahani;A kayan lantarki kayan aiki ba dole ba ne ya fi ƙarfin kayan aiki; Yin amfani da sarrafa wutar lantarki kai tsaye, mai sauƙin amfani cimma aiki da kai;Bayan aiki, saman yana samar da nau'in metamorphosis, wanda a wasu aikace-aikacen dole ne a ƙara cire shi; Yana da wahala a magance gurɓacewar hayaki da ke haifar da tsarkakewa da sarrafa ruwan aiki.
Lokacin aikawa: Yuli-23-2020