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 micro 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 aikin ƙarfe na gida a kan farfajiyar aiki na wannan batu nan da nan narke da vaporize, kuma ya fashe cikin ruwa mai aiki, da sauri ta tattara, samar da ingantaccen barbashi na ƙarfe, kuma za a ɗauke shi ta wurin aikin aikin lokaci. 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 yana rushewa a wani wuri inda na'urorin lantarki suna kusa da juna, suna samar da walƙiya kuma suna maimaita aikin. Don haka, duk da cewa adadin ƙarfe da aka lalata a kowane nau'i na bugun jini yana da ƙananan ƙananan, ƙarin ƙarfe na iya lalacewa saboda dubban bugun jini a cikin dakika guda, tare da wani aikin aiki.

A karkashin yanayin kiyaye ratawar fitarwa ta yau da kullun tsakanin na'urar lantarki da kayan aiki, ƙarfe na kayan aikin yana lalata yayin da kayan aikin lantarki ke ci gaba da ciyar da su a cikin kayan aikin, kuma a ƙarshe ana yin sifar da ta dace da sifar kayan aikin lantarki. lalata-resistant kayan tare da mai kyau conductivity, high narkewa batu da sauki aiki, irin su jan karfe, graphite, jan-tungsten gami da molybdenum.A cikin aiwatar da machining, da kayan aiki electrode kuma yana da hasara, amma kasa da adadin lalata na workpiece karfe, ko ma kusa da babu asara.

Kamar yadda wani fitarwa matsakaici, da aiki ruwa kuma taka rawa a cikin sanyaya da guntu kau a lokacin aiki.Common aiki ruwaye ne matsakaici tare da low danko, high flash batu da kuma barga yi, kamar kananzir, deionized ruwa da emulsion.Electric walƙiya inji ne wani irin kai m sallama, da halaye ne kamar haka: biyu electrodes na walƙiya sallama da wani high ƙarfin lantarki saukar da biyu matsakaita sallama, a lokacin da spark zafi saukar da biyu matsakaita sallama, a lokacin da matsakaicin matsakaicin fitarwa ne a kasa fitarwa. Yana faruwa. Tare da tsarin rushewa, juriya tsakanin nau'ikan lantarki guda biyu yana raguwa sosai, kuma ƙarfin wutar lantarki tsakanin masu amfani da wutar lantarki kuma yana raguwa sosai. Dole ne a kashe tashar tartsatsi a cikin lokaci bayan an kiyaye shi na ɗan gajeren lokaci (yawanci 10-7-10-3s) don kula da "sanyi sandar sanda" halaye na walƙiya fitarwa (watau, zafi ba ya amfani da makamashi na tashar makamashi a cikin zurfin tashar tashar tashar wutar lantarki). zuwa mafi ƙarancin iyaka.Tasirin makamashi na tashar zai iya haifar da wutar lantarki a cikin gida.Hanyar da abin da ya faru na lalata da ke haifar da lokacin yin amfani da fitarwa na walƙiya yana ɗaukar nauyin machining zuwa kayan aiki ana kiransa wutar lantarki mai walƙiya. 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 size; 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. Small rami aiki, da karfi da siffar alloy aiki da sauran surface aiki, da dai sauransu. Babu yankan karfi a lokacin machining; Ba ya samar da burr da yankan tsagi da sauran lahani; The kayan aiki lantarki abu bukatar ba wuya fiye da workpiece abu; Kai tsaye amfani da wutar lantarki sarrafa wutar lantarki, sauki cimma aiki da kai; Bayan aiki, da surface samar da wani metamorphosis Layer, wanda a wasu aikace-aikace dole ne a kara cire; Yana da matsala da aiki posomelu da ruwa aiki.