Medium-frequency direct current (MFDC) spot welding inzira yakakosha yewelding inoshandiswa mumaindasitiri akasiyana siyana, akadai semota, aerospace, uye kugadzira. Kuve nechokwadi chemhando yewelds kwakakosha zvakanyanya kuvimbisa kuvimbika kwechimiro uye hupenyu hurefu hwechigadzirwa chekupedzisira. Muchinyorwa chino, tichakurukura zvakakosha zvemhando yekuongorora muMFDC nzvimbo welding.
1. Weld Seam Examination:
Chimwe chezvinhu zvekutanga zvekuongororwa kwemhando muMFDC spot welding ndeye bvunzo ye weld seam. Izvi zvinosanganisira kuongorora geometry, saizi, uye kutaridzika kwese kweiyo weld. Musono wakagadzirwa nemazvo unofanirwa kuve wakafanana muchimiro, usina hurema hunooneka senge makatsemuka kana porosity, uye ive neinopindirana bead profile. Chero zvisiri izvo mu weld seam zvinogona kutungamira kune kushaya simba kwechimiro uye kuderedzwa kwechigadzirwa kuita.
2. Weld Strength Testing:
Kuti ive nechokwadi chekuti weld's mechanical kuperera, kuyedzwa kwesimba kwakakosha. Nzira dzakasiyana-siyana dzinogona kushandiswa, dzakadai sekuyedza kusimba kana kuyedza bend, kuongorora kugona kweweld kutsungirira kushushikana. Mhedzisiro yebvunzo idzi dzinofanirwa kusangana kana kudarika zviyero zvakatarwa, sekutsanangurwa kweprojekiti kana indasitiri zvinodiwa.
3. Electrical Parameters Analysis:
MFDC spot welding inotsamira pakunyatso kudzora kwemagetsi paramita, kusanganisira azvino, voltage, uye nguva. Kuongorora uye kuongorora ma parameter aya kwakakosha pakutonga kwemhando. Kutsauka kubva pane zvakatarwa zvinogona kukonzera kusaenderana weld quality. Naizvozvo, kuenderera mberi kwekutarisa uye kuongorora kwakakosha kuti uve nechokwadi chekuti muchina welding uri kushanda nemazvo.
4. Electrode Wear uye Maintenance:
Mamiriro emagetsi e welding akakosha kune kunaka kwemavara emagetsi. Kugara uchiongorora ma electrode ekupfeka uye kubvarura kunodikanwa. Maelectrode akasakara anogona kutungamira kusabatana kwakashata, zvichikonzera kusawirirana kwe welds. Kuchengetedza kwakakodzera uye kutsiva maelectrode pazvinenge zvichidikanwa kwakakosha kuchengetedza mhando.
5. Welding Nzvimbo uye Kuchengeteka:
Kuongororwa kwemhando yepamusoro kunofanirwawo kufunga nezvenzvimbo yewelding uye maitiro ekuchengetedza. Nzvimbo yekushanda yakachena uye inofefeterwa zvakanaka yakakosha pakuona kunaka kwemawelds. Pamusoro pezvo, kutevedzera maprotocol ekuchengetedza kwakakosha kuchengetedza vashandisi uye kuve nechokwadi chekuvimbika kweiyo welding process.
6. Zvinyorwa uye Kuchengeta Rekodhi:
Kuchengeta marekodhi akazara eiyo welding process kwakakosha pakutonga kwemhando uye kuteedzera. Aya marekodhi anofanirwa kusanganisira zvakaita senge welding paramita, ruzivo rwevashandisi, mhinduro dzekuongorora, uye chero matanho ekugadzirisa akatorwa.
Mukupedzisa, kuongororwa kwemhando yepakati-frequency yakananga ikozvino nzvimbo welding inzira ine mativi mazhinji. Kuve nechokwadi chemhando yewelds kunosanganisira kuongororwa kweweld seams, kuyedzwa kwesimba, kutarisa magetsi paramita, electrode kugadzirisa, kuchengetedza yakachengeteka welding nharaunda, uye nyoro zvinyorwa. Aya matanho pamwe chete anobatsira mukugadzirwa kwemhando yepamusoro welds inosangana nezviyero zveindasitiri uye zvinotarisirwa nevatengi.
Nguva yekutumira: Oct-11-2023
