
Lo mhlahlandlela ophelele uhlola ubunkimbinkimbi be welding yesikhulumi, ehlanganisa amasu abalulekile, izivumelwano zokuphepha, nokucatshangelwa kwezinhlelo zokusebenza ezihlukahlukene. Sihlola izinhlobo ezahlukene welding yesikhulumi, izinselele ezivamile, kanye nemikhuba ehamba phambili yokuqinisekisa ukushisela kwekhwalithi ephezulu, okuqinile. Funda ukuthi ungakhetha kanjani izinqubo zokushisela ezifanele kanye nezinto zokwakha ukuze uthole imiphumela emihle, futhi uthole izinsiza ezibalulekile zokuthuthukisa amakhono akho nolwazi kulo mkhakha okhethekile. Lo mhlahlandlela uzokuhlomisa ngolwazi oludingekayo ukuze ubhekane ngempumelelo welding yesikhulumi amaphrojekthi.
I-GMAW, evame ukubizwa ngokuthi yi-MIG welding, iyinqubo esetshenziswa kabanzi ku welding yesikhulumi ngenxa yejubane layo, ukusebenza kahle, nokuguquguquka. Ifaneleka ngokukhethekile ukuhlanganisa izinto eziwugqinsi futhi ikhiqize amashisela aqinile, aqinile. Inqubo ihlanganisa ukuphakela i-electrode yezintambo ezisebenzisekayo echibini lokushisela, elivikelwe igesi engasebenzi njenge-Argon noma ingxube ye-Argon ne-CO2. Ukukhetha igesi evikelayo efanele kanye nesivinini sokuphakela kwezintambo kubalulekile ukuze kuzuzwe ukushiselwa kwekhwalithi ephezulu. Ukuvikela igesi ngendlela efanele kubalulekile ekuvimbeleni ukubola nokuqinisekisa ukushisela komsindo.
I-GTAW, noma i-TIG yokushisela, inikeza ukulawula okuphezulu nokunemba, okuyenza ilungele izinhlelo zokusebenza ezifuna ukushiselwa kwekhwalithi ephezulu nokungapheleli okuncane. Kuvame ukuncanyelwa izinto ezisetshenziswayo ezincanyana nezimo ezidinga ukushisela okuyinkimbinkimbi. Ku welding yesikhulumi, I-GTAW ingase isetshenziselwe ukushisela okubalulekile lapho ukuhlola okubonakalayo kubaluleke kakhulu. Le ndlela isebenzisa i-electrode ye-tungsten engasebenziseki ukwakha i-arc, nenye into ehlukile yokugcwalisa engeziwe njengoba kudingeka. Ukulawula ngokucophelela okokufaka ukushisa kubalulekile ukuze kuvinjwe ukuhlanekezelwa kwe-weld noma ukushiswa.
I-SMAW, eyaziwa kakhulu ngokuthi i-stick welding, iyindlela eqinile nephathekayo evame ukusetshenziswa kuyo welding yesikhulumi, ikakhulukazi ezindaweni ezikude noma ezingafinyeleleki kancane. Isebenzisa i-electrode esetshenziswayo ehlanganiswe ne-flux ehlinzeka ngegesi evikelayo kanye ne-slag. Inqubo ilula ukuyifunda, kodwa idinga ikhono ukuze kuzuzwe ikhwalithi yokushisela engaguquki. Ukukhetha okufanele kanye namasu ama-electrode kubalulekile ekuzuzeni ukungena okujulile kanye ne-spatter encane.
Ukuhlanekezela kwe-weld kungaba inselele enkulu ku welding yesikhulumi, ikakhulukazi ngezakhiwo ezinkulu. Ukuhlela ngokucophelela, ukushisa kwangaphambili, nokwelashwa kokushisa kwangemva kokushisela kunganciphisa le nkinga. Ukusebenzisa amasu okubamba nokulungisa afanelekile nakho kunganciphisa ukuhlanekezela. Ukukhethwa kwesu lokushisela kanye nemingcele kuba nomthelela omkhulu ekuhlanekeni.
Izinsimbi ezisezingeni eliphezulu zibalulekile ekuphepheni nasekuphileni isikhathi eside inkundla izakhiwo. Ukuhlola okuvamile kusetshenziswa amasu anjengokuhlola okubukwayo, ukuhlolwa kwe-radiographic (RT), nokuhlolwa kwe-ultrasonic (UT) kubalulekile. Lokhu kuhlola kusiza ukuhlonza amaphutha okungenzeka kusenesikhathi futhi kuqinisekise ubuqotho besakhiwo.
Welding yesikhulumi ngokuvamile kwenzeka ezindaweni ezingaba yingozi. Ukunamathela ezimisweni zokuphepha eziqinile, okuhlanganisa ukusebenzisa izinto zokuzivikela ezifanele (i-PPE), njengezigqoko zokushisela, amagilavu, nezingubo zokuzivikela, kuyisibopho. Ukungena komoya ngendlela efanele nakho kubalulekile ukuze kwehliswe izingozi zokuhogela intuthu. Ukusebenza ezindaweni eziphakeme kudinga ukucatshangelwa okwengeziwe kokuphepha, njengokusebenzisa amahhanisi nezinto zokuvikela ukuwa. Yonke imisebenzi yokushisela kufanele ihambisane nemithetho nezindinganiso zokuphepha ezifanele.
Ukukhethwa kwezinto ezisetshenziswayo kuba nomthelela omkhulu ezimpahleni ze-weld kanye nokusebenza kwepulatifomu sekukonke. Izinto ezijwayelekile ezisetshenziswa ku welding yesikhulumi zihlanganisa amamaki ensimbi ahlukahlukene, ngokuvamile akhethwa ngenxa yesilinganiso sawo samandla nesisindo esiphezulu. Inqubo yokukhetha ngokuvamile idinga ukucatshangelwa ukumelana nokugqwala, ukushisela, kanye nezimo ezithile zemvelo. Ukucaciswa okuningiliziwe kuvame ukuvezwa kumapulani wephrojekthi futhi kufanele kulandelwe ngokuqinile.
Ukukhetha imishini efanele kuba nomthelela omkhulu ekusebenzeni kahle kanye nekhwalithi ye welding yesikhulumi inqubo. Izinto okufanele zicatshangelwe zihlanganisa inqubo yokushisela ekhethiwe, ukujiya kwezinto ezibonakalayo, kanye nezidingo zephrojekthi iyonke. Okokusebenza okuthembekile okuvela kubakhiqizi abahloniphekile, kuhambisana nokugcinwa okuvamile, kubalulekile ekusebenzeni okungaguquki kanye nokunciphisa isikhathi sokuphumula. Ukutshala imali kumishini yekhwalithi ephezulu kunciphisa ubungozi bokulimala futhi kuthuthukisa ukusebenza kahle okuphelele.
Kulabo abafuna ukujulisa ukuqonda kwabo welding yesikhulumi, izinsiza eziningana ezibalulekile ziyatholakala. Bheka izincwadi zokushisela ezithembekile, izifundo eziku-inthanethi, nokushicilelwe komkhakha ukuze uthole ulwazi oluningiliziwe kanye nezinqubo ezihamba phambili. Izinhlangano eziningi zochwepheshe zinikeza izitifiketi nezinhlelo zokuqeqesha ukuthuthukisa amakhono akho wokushisela.
| Inqubo yokushisela | Izinzuzo | Ukubi |
|---|---|---|
| I-GMAW (MIG) | Ijubane eliphezulu, eliguquguqukayo, lilungele izinto eziwugqinsi | Idinga igesi evikelayo, amandla e-spatter |
| I-GTAW (TIG) | Ukunemba okuphezulu, ikhwalithi ye-weld enhle kakhulu, ilungele izinto ezincane | Inqubo enensayo, idinga i-welder enekhono |
| I-SMAW (Induku) | Iyaphatheka, kulula ukuyifunda (eyisisekelo), iqinile | Ukuhamba kancane, okujwayele ukukhubazeka, kudinga ikhono lekhwalithi ephezulu |
Ngemikhiqizo yensimbi yekhwalithi ephezulu kanye nesevisi ekhethekile, cabanga ukuthintana Inkampani Botou Haijun Metal Products Co., Ltd. Bangabahlinzeki abahloniphekile bezinto ezisetshenziswa njalo welding yesikhulumi amaphrojekthi.
Umshwana wokuzihlangula: Lolu lwazi lwenzelwe izinjongo zemfundo kuphela futhi akufanele lubhekwe njengeseluleko sochwepheshe sokushisela. Hlala ubheka izindinganiso nemithetho efanelekile yokuphepha ngaphambi kokwenza noma iyiphi iphrojekthi yokushisela.