Edm e sebelisoa haholo-holo bakeng sa hlobo ea machining le likarolo tse nang le libopeho tse rarahaneng tsa masoba le likoti; Ho sebetsana le lisebelisoa tse fapaneng tsa conductive, joalo ka alloy e thata le tšepe e thata; Ho sebetsana le likoti tse tebileng le tse ntle, likoti tse nang le sebōpeho se khethehileng, li-grooves tse tebileng, manonyeletso a moqotetsane le ho khaola lilae tse tšesaane, joalo-joalo; Ho lokisa lisebelisoa tse fapaneng tsa ho etsa, litempele le li-gauge tsa likhoele, jj.
Molao-motheo oa ts'ebetso
Nakong ea EDM, electrode ea sesebelisoa le workpiece li kopantsoe ka ho latellana ho lipalo tse peli tsa motlakase oa pulse 'me li qoelisoa ka mokelikeli o sebetsang, kapa mokelikeli o sebetsang o lefshoa ka har'a lekhalo la ho tsoa.Elektrode ea sesebelisoa e laoloa ho fepa workpiece ka har'a gap automatic control system. Ha lekhalo pakeng tsa li-electrode tse peli le fihla bohōle bo itseng, motlakase oa motlakase o sebelisoang ho li-electrode tse peli o tla senya mokelikeli o sebetsang ebe o hlahisa spark discharge.
Ka mocha o monyenyane oa ho ntša, matla a mangata a mocheso a kenngoa hang-hang, mocheso o ka ba holimo ho 10000 ℃ 'me khatello e boetse e na le phetoho e matla, e le hore lisebelisoa tsa tšepe tsa sebaka sena li sebetsane le ntlha ena hang-hang. Qhibiliha le mouoane, 'me u phatlohe ka har'a mokelikeli o sebetsang, ka potlako u koahele, u thehe likaroloana tsa tšepe tse tiileng, ebe o tlosoa ke mokelikeli o sebetsang. mokelikeli o sebetsang pakeng tsa li-electrode tse peli ho tsosolosa boemo ba ho kenya letsoho.
Motlakase o latelang oa pulse o robeha sebakeng se seng moo li-electrode li batlang li le haufi le tse ling, li hlahisa ho tsoa ha spark le ho pheta-pheta tshebetso. ho ea ho likete tse tsoang ho pulse ka motsotsoana, ka tlhahiso e itseng.
Tlas'a boemo ba ho boloka lekhalo le sa khaotseng la ho ntša lekhalo pakeng tsa electrode ea sesebelisoa le workpiece, tšepe ea workpiece e corroded ha electrode ea sesebelisoa e ntse e fepeloa ka har'a workpiece, 'me qetellong sebopeho se lumellanang le sebopeho sa electrode ea sesebelisoa se etsoa. Ka hona, hafeela sebopeho sa electrode ea sesebelisoa le mokhoa oa ho sisinyeha o amanang pakeng tsa electrode ea sesebelisoa le workpiece, mefuta e fapaneng ea litlaleho tse rarahaneng li ka etsoa. le ts'ebetso e bonolo, joalo ka koporo, graphite, alloy ea koporo-tungsten le molybdenum. Ts'ebetsong ea machining, electrode ea sesebelisoa e boetse e na le tahlehelo, empa e ka tlase ho palo ea ho bola ha tšepe ea tšepe, kapa esita le haufi le ho se lahlehe.
E le mokhoa oa ho ntša metsi, mokelikeli o sebetsang o boetse o phetha karolo ea ho pholile le ho tlosoa ha chip nakong ea ts'ebetso.Metsi a tloaelehileng a sebetsang a mahareng a nang le viscosity e tlaase, boemo bo phahameng ba flash le ts'ebetso e tsitsitseng, joalo ka parafine, metsi a deionized le emulsion.Mochine oa motlakase oa spark ke mofuta oa ho itlhatsoa ka boithatelo, litšobotsi tsa eona ke tse latelang: li-electrode tse peli tsa spark discharge li na le matla a phahameng pele a tsoa, ha li-electrode tse peli li atamela, sehare se robehile, ebe ho tsoa tlhase ho etsahala. ho hanyetsa pakeng tsa li-electrode tse peli ho fokotseha haholo, 'me motlakase pakeng tsa li-electrode le oona o fokotseha haholo.Mochine oa spark o tlameha ho tima ka nako ka mor'a ho hlokomeloa ka nako e khutšoanyane (hangata 10-7-10-3s) ho boloka " serame "litšobotsi tsa ho tsoa ha spark (ke hore, matla a mocheso oa phetoho ea matla a kanale ha a fihle botebong ba eleketrode ka nako), e le hore matla a kanale a sebelisoe boemong bo fokolang. eleketrode ho corroded sebakeng.Mokhoa oo ts'ebetso ea kutu e hlahisoang ha ho sebelisoa spark discharge e etsa machining a dimensional to the material o bitsoa electric spark machining.Edm is a spark discharge in a liquid medium within the low voltage range.Ho ea ka sebopeho. ea electrode ea sesebelisoa le litšoaneleho tsa motsamao o lekanyelitsoeng pakeng tsa eleketrode ea sesebelisoa le workpiece, edM e ka aroloa ka mefuta e mehlano.Wire-cut edM cutting of conductive materials using axially moving terata e le electrode ea sesebelisoa le workpiece e tsamaeang hammoho le sebopeho le boholo bo lakatsehang;Edm grinding ho sebelisa terata kapa ho etsa lebili la ho sila e le sesebelisoa sa electrode bakeng sa lesoba la senotlolo kapa ho sila; E sebelisoa bakeng sa machining thread ring gage, thread plug gage [1], gear joalo-joalo. lisebelisoa tsa ts'ebetso le libopeho tse rarahaneng tseo ho leng thata ho li khaola ka mekhoa e tloaelehileng ea machining.Ha ho matla a ho itšeha nakong ea ho sebetsa; Ha e hlahise li-burr le li-cutting groove le liphoso tse ling; Thepa ea electrode ea sesebelisoa ha ea lokela ho ba thata ho feta lisebelisoa tsa mosebetsi; Tšebeliso e tobileng ea motlakase. ts'ebetso ea matla, ho bonolo ho e fumana ka boits'oaro; Kamora ts'ebetso, bokaholimo bo hlahisa lesela la metamorphosis, leo lits'ebetsong tse ling li tlamehang ho tlosoa hape; Ho thata ho sebetsana le tšilafalo ea mosi e bakoang ke tlhoekiso le ts'ebetso ea mokelikeli o sebetsang.
Nako ea poso: Jul-23-2020