Ho tjheseletsa sebakeng sa Mid-frequency direct current ke mokhoa o sebetsang hantle haholo le o feto-fetohang o fanang ka melemo e mengata lits'ebetsong tse fapaneng tsa indasteri.Sehloohong sena, re tla hlahloba litšobotsi tse ikhethang le melemo ea mokhoa ona oa ho tjheseletsa.
Mid-frequency direct current (MFDC) spot welding e fumane botumo bo atileng indastering ea tlhahiso bakeng sa ts'ebetso ea eona e holimo ea li-welding le melemo e mengata.Mokhoa ona o khetholloa ka tšebeliso ea eona ea motlakase o tobileng (DC) maemong a mahareng a mahareng, hangata pakeng tsa 1000 Hz le 100,000 Hz.Mokhoa ona o nepahetseng le o laoloang oa welding o fana ka likarolo tse 'maloa tse tsotehang.
1. Nepahetse le Taolo
E 'ngoe ea matla a mantlha a ho cheselletsa libaka tsa MFDC ke ho nepahala le taolo e ikhethang.Ka ho sebelisa DC maemong a mahareng a mahareng, li-welders li ka fihlela liphetho tse nepahetseng haholo le tse tsitsitseng.Ho nepahala hona ho molemo haholo ha o sebetsa ka lisebelisoa tse tšesaane kapa likarolo tse rarahaneng, kaha o fokotsa kotsi ea tšenyo mme o tiisa hore ho na le weld ea boleng bo holimo.
2. Sebaka se Fokotseng se Ameloang ke Mocheso (HAZ)
MFDC spot welding e hlahisa mocheso o fokolang nakong ea ts'ebetso ea welding ha e bapisoa le mekhoa ea khale ea ho tjheseletsa.Sena se fella ka sebaka se senyenyane se amehang ke mocheso (HAZ), e leng sa bohlokoa bakeng sa ho boloka botšepehi ba thepa ea motheo.HAZ e fokotsehileng e fokotsa ho khopama le kotsi ea liphetoho tsa metallurgic, e leng se etsang hore e be khetho e nepahetseng bakeng sa lisebelisoa moo matla le thepa e lokelang ho bolokoa.
3. Matla a Matla
Li-welding tse bohareng ba maqhubu li sebetsa hantle haholo.Tšebeliso ea lisebelisoa tsa motlakase tsa AC tse phahameng ka ho fetisisa ho li-welding tsa MFDC li lumella taolo e nepahetseng holim'a tlhahiso ea matla.Sena ha se fokotse tšebeliso ea matla feela empa hape se kenya letsoho ho bolokeng litšenyehelo ka nako e telele.
4. Lipotoloho tse potlakileng tsa Welding
MFDC spot welding e tsebahala ka meketjana ea eona e potlakileng ea ho cheselletsa.Sebopeho sa maqhubu a phahameng a hona joale se nolofalletsa ho qhibiliha ka potlako le ho tiisa letamo la weld, e leng se bakang linako tse potlakileng tsa tlhahiso.Ena ke monyetla o moholo libakeng tsa tlhahiso e phahameng.
5. Ho ikamahanya le maemo
Sistimi ea welding ea MFDC e khona ho ikamahanya le maemo 'me e ka etsoa hore e lumellane le lits'ebetso tse fapaneng tsa welding.Ba khona ho tjheseletsa mefuta e fapaneng ya thepa, ho kenyeletswa metswako e fapaneng ya dimetale, mme ba ka amohela botenya ba thepa bo fapaneng.Ho feto-fetoha hona ho etsa hore tjheseletso ea MFDC e lokele liindasteri tse fapaneng, ho tloha ho tsa ho etsa likoloi ho isa ho tsa lisebelisoa tsa elektroniki.
6. Boleng le ho tsitsisa
Ho tsitsa ho bohlokoa tlhahisong, 'me welding ea MFDC e ea ipabola ntlheng ena.Taolo e nepahetseng holim'a li-welding parameters e netefatsa li-welds tse tšoanang nakong eohle ea tlhahiso, ho fokotsa tlhokahalo ea ho tsosolosa le ho ntlafatsa boleng ba kakaretso ea sehlahisoa se felileng.
Li-welding tsa hona joale tsa Mid-frequency direct current li hlahella e le khetho e ntle bakeng sa mefuta e fapaneng ea li-welding ka lebaka la ho nepahala, taolo, matla a matla le ho ikamahanya le maemo.Bokhoni ba eona ba ho hlahisa li-welds tsa boleng bo holimo tse nang le libaka tse fokolang tse anngoeng ke mocheso li etsa hore e be khetho e ratoang bakeng sa liindasteri tse hlokang ts'ebetso le botsitso.Ha thekenoloji e ntse e tsoela pele, ho cheselletsa libaka tsa MFDC e kanna ea lula e le motheo oa tlhahiso ea sejoale-joale, e tlatselletsang ts'ebetsong e ntle le ho baballa litšenyehelo.
Nako ea poso: Oct-11-2023