Ngesikhathi sokushisela okungaphezulu kwe-strip yensimbi engagqwali engu-304, kungahle kube nezinkinga ezimbalwa. Ezinye izinkinga ezivamile zihlanganisa:
1.I-Porosity:
I-Porosity isho ukuba khona kwama-voids amancane noma amaphakethe egesi ezintweni ezishiselwe. Kungabangelwa izici ezimbalwa ezifana nokungavikeleki kwegesi okunganele, izinga lokugeleza kwegesi elingafanele, insimbi eyisisekelo engcolile, noma amasu okushisela angafanele. I-Porosity ingenza buthaka i-weld futhi inciphise ukumelana kwayo nokugqwala.
2.Ukuqhekeka:
Imifantu ingenzeka endaweni yokushisela noma endaweni ethinteke ukushisa (HAZ). Ukuqhekeka kungase kubangelwe izici ezihlukahlukene ezifana nokufaka ukushisa okuphezulu, ukupholisa ngokushesha, ukushisa kwangaphambili okungafanele noma ukulawulwa kwezinga lokushisa kwe-interpass, ukucindezeleka kwensalela ngokweqile, noma ukuba khona kokungcola kusisekelo sensimbi. Imifantu ingaphazamisa ubuqotho besakhiwo se-weld.
3.Ukuhlanganiswa okungaphelele noma ukungena okungaphelele:
Ukuhlanganiswa okungaphelele kwenzeka lapho i-filler metal ingahlangani ngokuphelele nensimbi eyisisekelo noma ubuhlalu be-weld obuseduze. Ukungena okungaphelele kubhekisela esimweni lapho i-weld ingangeni kuwo wonke ugqinsi lwelunga. Lezi zinkinga zingabangelwa ukufaka ukushisa okunganele, indlela yokushisela engalungile, noma ukulungiswa okungalungile kwamalunga.
4.Undercutting:
I-undercutting ukwakheka kwe-groove noma ukudangala eduze kozwane lwe-weld noma eduze kwayo. Kungabangelwa isivinini esiphezulu samanje noma sokuhamba, i-electrode angle engafanele, noma indlela yokushisela engalungile. I-undercutting ingenza buthaka i-weld futhi iholele ekugxilweni kwengcindezi.
5.I-spatter eyeqile:
I-Spatter ibhekisela ekukhishweni kwamaconsi ensimbi encibilikisiwe ngesikhathi sokushisela. I-spatter eningi ingenzeka ngenxa yezici ezifana ne-welding high current, izinga lokugeleza kwegesi elivikelayo elingalungile, noma i-engeli engafanele ye-electrode. I-Spatter ingaholela ekubukekeni kwe-weld okungalungile futhi ingase idinge ukuhlanzwa okwengeziwe kwangemuva kokushisela.
6.Ukuhlanekezela:
Ukuhlanekezela kubhekisela ekuwohlokeni noma ekujikeni kwensimbi eyisisekelo noma ilunga elishiselwe ngesikhathi sokushisela. Kungase kwenzeke ngenxa yokushisisa nokupholisa okungeyona into efanayo, ukulungisa okunganele noma ukubambana, noma ukukhululwa kwengcindezi eyinsalela. Ukuhlanekezela kungathinta ukunemba kwe-dimensional kanye nokulingana kwezingxenye ezishiselwe.
Ukuze unciphise lezi zinkinga ngesikhathi sokushisela kwe-304 stainless steel strip, kubalulekile ukulandela izinqubo ezifanele zokushisela, ukuqinisekisa ukulungiswa okuhlanganyelwe okufanele, ukugcina okokufaka okushisa okufanele nokuvikela ukumbozwa kwegesi, nokusebenzisa amasu okushisela afanelekile. Ukwengeza, izindlela zokwelapha zokushisa ngaphambi kokushisela kanye nangemuva kwe-weld, kanye nezindlela zokuhlola ezingabhubhisi, zingasetshenziswa ukuze kuhlonzwe futhi kuncishiswe amaphutha angenzeka.
Isikhathi sokuthumela: May-31-2023