
Lo mhlahlandlela unikeza ulwazi olujulile mayelana Ukushisela inqola yobhejane eChina, amasu okumboza, okokusebenza, izinyathelo zokuphepha, nezinselele ezivamile. Sizohlola imininingwane yezinqola ezishisela obhejane ezivela e-China, sigxile kwikhwalithi, ukuqina, kanye nokusebenza kahle kwezindleko.
Izinqola zobhejane, ezaziwa ngokwakhiwa kwazo okuqinile, ngokuvamile zidinga amasu okushisela akhethekile ngenxa yezinto ezisetshenziswayo kanye nobuqotho besakhiwo obudingekayo. Lezi nqola zivame ukusebenzisa insimbi enamandla amakhulu, efuna ubuchwepheshe bokuthola amashisela aqinile, athembekile. Ukukhetha inqubo yokushisela efanele kubalulekile ukuze kuphile isikhathi eside nokuphepha komkhiqizo osuphelile. Ukushisela inqola yobhejane eChina kuvame ukubandakanya i-MIG (Metal Inert Gas) noma i-TIG (Tungsten Inert Gas) yokushisela, kuye ngohlelo oluthile nokujiya kwezinto.
I-MIG welding inikeza isivinini nokusebenza kahle, okuyenza ifanelekele ukukhiqizwa okukhulu. I-TIG yokushisela, eyaziwa ngokunemba kwayo kanye nokushisela okuhlanzekile, ikhethwa kumalungu abalulekile adinga ukuqedwa kwekhwalithi ephezulu. Ukukhetha phakathi kwe-MIG ne-TIG kuvame ukuncika ekucacisweni komkhiqizi kanye nezinga elifiswayo lekhwalithi yokushisela. Ukuqonda lezi zinqubo kubalulekile lapho kuhlolwa izinga a Inqola yobhejane yaseChina.
Impumelelo ye Ukushisela inqola yobhejane eChina kuncike ekukhetheni umshini wokushisela ofanele. Izinto okufanele zicatshangelwe zihlanganisa amandla okukhipha (i-amperage), uhlobo lwenqubo yokushisela (i-MIG noma i-TIG), kanye nomjikelezo womsebenzi womshini. Imishini yokushisela esezingeni eliphezulu, enokwethenjelwa ibalulekile ukuze kukhiqizwe amashisela aqinile, aqinile angamelana nobunzima bokusetshenziswa komsebenzi osindayo. Cabangela imishini evela kubakhiqizi abahloniphekile abaziwa ngekhwalithi nokusebenza kwayo.
Ngale komshini wokushisela, izesekeli ezibalulekile zifaka izintambo zokushisela ezifanele (ze-MIG), ama-electrode e-tungsten (ye-TIG), igesi evikelayo (i-Argon noma ingxube), okokusebenza zokuphepha (amagilavu, umakalabha, iphinifa), namabhulashi ocingo okuhlanza izindawo zokushisela. Izinga lalezi zinsiza lithinta ngqo ikhwalithi ye-weld kanye nokuphepha komshiseli.
Ukuphepha kubaluleke kakhulu kunoma yikuphi ukusebenza kwe-welding. Njalo gqoka izinto zokuzivikela ezifanele (i-PPE), okuhlanganisa nesigqoko sokushisela esinesihlungi esilungile somthunzi, amagilavu, nezingubo zokuzivikela. Qinisekisa ukuthi kungena umoya owanele ukuze uvimbele ukuchayeka entubeni eyingozi. Ukubeka phansi ngendlela efanele kubalulekile ukuvimbela ukushaqeka kukagesi. Ungalokothi usebenze uwedwa, futhi uhlale ulandela izinqubo zokuphepha ezimisiwe.
Ukushisela kukhiqiza ukushisa okukhulu, imisebe ye-ultraviolet, kanye nentuthu engaba yingozi. Ukuqonda lezi zingozi nokusebenzisa izinyathelo zokuphepha ezidingekayo kubalulekile ukuze kuvinjelwe izingozi nokulimala. Ukuqeqeshwa okuphelele nokuhambisana nemithetho yezokuphepha kuyizici okungaxoxiswana ngazo Ukushisela inqola yobhejane eChina noma yimuphi umsebenzi wokushisela.
Ngemuva kokushisela, ukuhlolwa okuphelele kuyadingeka ukuze kutholakale amaphutha angenzeka, njenge-porosity, imifantu, noma ukungena okungaphelele. Ukuhlola okubonakalayo, okuhlanganiswe nezindlela zokuhlola ezingalimazi (uma kunesidingo), kuqinisekisa ubuqotho besakhiwo sekalishi likabhejane. Ukuhlolwa okuvamile kokugcinwa kwama-welds nakho kubalulekile ekuphepheni okuqhubekayo nokuthembeka kokusebenza.
Ukuthola izinqola zobhejane zekhwalithi ephezulu kanye nemishini yokushisela ehlobene evela eChina kudinga ukukhethwa ngokucophelela kwabahlinzeki abathembekile. Ucwaningo olunzulu, ukukhuthala okufanele, kanye nokuqinisekiswa kwezitifiketi kubalulekile. Cabangela ukusebenza nezinkampani ezisunguliwe ezinerekhodi elifakazelwe lekhwalithi nenkonzo yamakhasimende. Ngemikhiqizo yensimbi enokwethenjelwa, cabanga ukuhlola abahlinzeki abanjalo Inkampani Botou Haijun Metal Products Co., Ltd. Ubuchwepheshe babo nokuzibophezela kwabo kwikhwalithi kungaba wusizo kuwe Ukushisela inqola yobhejane eChina amaphrojekthi.
Izindleko ze Ukushisela inqola yobhejane eChina kuthonywa izici eziningana, okuhlanganisa uhlobo nenani lamakalishi, inqubo yokushisela esetshenziswayo, izindleko zempahla, izindleko zabasebenzi, kanye nesakhiwo samanani somphakeli. Isabelomali esicophelelayo kanye nokuhlaziywa kwezindleko kubalulekile ukuze kuqinisekiswe ukuthi iphrojekthi ihlala isebenza kahle ngokwezimali.
| Isici | I-MIG Welding | I-TIG Welding |
|---|---|---|
| Isivinini | Ngokushesha | Kancane |
| Ikhwalithi ye-Weld | Kuhle | Kuhle kakhulu |
| Izindleko | Ngokuvamile Lower | Ngokujwayelekile Iphakeme |
Qaphela: Lolu lwazi olokuqondisa okuvamile kuphela. Izimfuneko ezithile zingase zihluke.