Selelekela
Ka indasteri ea ho lokisa le ho etsa tšepe,MFDC (Medium Frequency Direct Current) li-welders tsa libakake lisebelisoa tsa bohlokoa meleng ea tlhahiso ka lebaka la ts'ebetso ea tsona e phahameng le botsitso. Ho utloisisa likarolo tsa bohlokoa tsaMFDC spot weldersha e tebise feela temohisiso ea rona mabapi le melao-motheo ea bona ea ts'ebetso empa hape e ts'ehetsa tlhokomelo, ntlafatso le ntlafatso. Sengoliloeng sena se hlahloba likarolo tsa bohlokoa tsaMFDC spot welders.
1. MFDC Power System
Motlakase oa MFDC ke oona oa mantlha, o fetolang motlakase oa grid hore o be mahareng-motlakase oa maqhubu a loketseng ho cheselletsa. E na le li-rectifiers, inverters, le li-filters, ho finyella phetoho e tsitsitseng ea matla le tlhahiso ka moralo o nepahetseng oa potoloho le maano a ho laola. Sistimi ena e ntlafatsa ts'ebetso ea welding ha e ntse e fokotsa tšebeliso ea matla le tšitiso ea motlakase, e fana ka mohloli o tšepahalang oa matla.
2. Mokhoa oa ho laola
Sistimi ea taolo e sebetsa joalo ka "boko" ba welder, ho lekola le ho laola ts'ebetso eohle ea welding. E kenyelletsa li-microprocessors, li-interfaces tsa ho kenya / lihlahisoa, lipontšo le liphanele tsa taolo. Ka maemo a seng a behiloe (mohlala, a hajoale, nako, khatello), e netefatsa taolo e nepahetseng le liphetoho tsa nako{4} tsa 'nete ho ipapisitsoe le maikutlo, ho boloka boleng bo tsitsitseng ba weld.
3. Welding Transformer
Transformer ke sesebelisoa sa bohlokoa sa ho fetolela, se fetolang motlakase oa MFDC hore e be motlakase o tlase-, o phahameng-oa hona joale bakeng sa ho cheselletsa. E na le meralo e khethehileng ea matsoelintsoeke le meralo ea potoloho ea matla a khoheli, e nolofalletsa phetolo ea matla e sebetsang hantle le e tsitsitseng, e ikamahanyang le lisebelisoa tse fapaneng le botenya ka ho lokisa sebopeho sa hona joale le sa wave.
4. Electrode le Fixture System
Sistimi ena e ikopanya ka kotloloho le workpiece, e ama boleng ba weld haholo. Li-electrode li entsoe ka-lisebelisoa tse phahameng, tse roaloang{2}}lisebelisoa tse sa mameleng ho netefatsa phetiso e tsitsitseng le nako e telele. Li-fixtures li sireletsa li-workpieces sebakeng, ho boloka botsitso ba boemo nakong ea welding. Moralo o nepahetseng oa li-electrode le lisebelisoa li ntlafatsa boleng bo kopaneng le tlhahiso.
5. Cooling System
Ts'ebetso e nkang nako e telele{0}e phahameng e hlahisa mocheso o mongata, o ka senyang ts'ebetso le nako ea bophelo haeba e sa felisoe. Sistimi ea ho pholisa, e sebelisa metsi kapa moea o pholileng, e potoloha moea o pholileng kapa moea ho tlosa mocheso, ho boloka thepa ka har'a mocheso o nepahetseng.
Qetello
Likarolo tsa bohlokoa tsaMFDC spot welders{{0}seseteme ya motlakase, seseteme ya ho laola, sesebelisoa sa ho tjheseletsa, electrode le seseteme ya fixture, le seseteme ya ho phodisa{1}}sebetsa ka kutloano ho etsa hore welding e sebetse hantle le e tsitsitseng. Ho utloisisa likarolo le litšobotsi tsa likarolo tsena ho bohlokoa bakeng sa ho ntlafatsa ts'ebetso le ho netefatsa boleng. Joalo ka litsebi, re lokela ho phahamisa tsebo ena ho fa bareki tšehetso e felletseng le e felletseng.
