I-Platform welding idinga okungaphezu nje kokushisa nokugcwalisa insimbi. Kulapho ubuqotho besakhiwo buhlangana khona nezindlela zokulayisha zomhlaba wangempela-lapho i-tack weld engaqondani kahle ingase idlulele ekusetshenzisweni kabusha okubizayo, ukubambezeleka kokuthunyelwa, noma okubi nakakhulu, ukwehluleka kwenkambu ngaphansi kwengcindezi yomjikelezo. E-Botou Haijun Metal Products Co., Ltd., senze ukulandelana kokushisela kweplathifomu engaphezu kuka-12,000 kuwo wonke ama-chassis wezolimo, amafreyimu emishini yokwakha, kanye nezakhiwo ezizenzakalelayo zokusekela ama-conveyor. Esikufundile akuyona ithiyori: kubhalwe emibikweni yethu ye-DFM, izingodo zokushiswa, kanye nezilinganiso zokuhlanekezela kwangemva kokushisela.
Ukulungiselela Ngaphambi Kokushisela Akuxoxiswana—Akukona Ngokuzithandela
Ukwehluleka okuningi kokushisela kweplatifomu kuqala ngaphambi kokuthi i-arc ishaye. Sikubona ngokuphindaphindiwe: amaqembu eqa ukuqinisekiswa kokufaneleka okuhlanganyelwe, acabange ukucaba kwezinto, noma azibe ukuhlukahluka kwesikali sokugaya kuwo wonke amaqoqo ensimbi engagqwali. Esikhungweni sethu sase-Botou, yonke inhlangano yesikhulumi iqala ngamasheke amathathu okungaxoxiswana ngawo:
Ukubekezelela igebe ≤ 0.5 mm ngaphesheya kobude obuhlangene obuphelele— ikalwa ngamageji okuzizwa *ngaphambi* kokubopha, hhayi ngemva kwalokho Izinga lokushisa eliyisisekelo lensimbi ≥ 10°C ezindaweni ezibandayo; ngezansi kwalokho, shisa kuqala kube ngu-50°C ngensimbi ye-carbon, 100°C kokungu-304 i-stainless—kuqinisekiswe ngama-thermometer e-infrared ngamaphuzu amathathu imitha ngayinye. Ukuhlanzeka kobuso kuqinisekiswe ukusula kwe-solvent + ukuhlolwa kwendwangu emhlophe: azikho izinsalela ezibonakalayo, azikho amafutha ezigxivizo zeminwe, azikho izintuli zokugaya ezivaleleke emifantwini Sake salahla imihlangano yabakaki engu-17 ngenxa yokuthi iqoqo elilodwa lensimbi egoqekayo lafika elinogqinsi olungahambisani nesikali sokugaya. Isendlalelo se-oxide saphuka ngokungalingani ngesikhathi se-GMAW, okubangela i-micro-porosity ekudluleni kwezimpande. Manje, wonke amakhoyili angenayo ayahlaziywa okubukekayo ukuze afane ne-surface oxide—futhi silungisa ukugeleza kwegesi evikelayo (kusuka ku-18 L/min ukuya ku-22 L/min) lapho ukuhluka kwesikali kudlula ±0.3 µm.
Ukukhetha Inqubo Kulawula Ukusebenza Kwesakhiwo
Ukukhetha phakathi kwe-FCAW, GMAW, ne-SAW akuphathelene nesivinini—kumayelana nokufanisa okokufaka okushisayo nejometri, ukujiya kwempahla, nokulayisha isevisi. Ngezakhiwo zeplathifomu ezinokuqina kodonga okungu-≥6 mm namajoyinti efillet aqhubekayo, sizenzakalela ukushisela i-arc ene-flux-cored sisebenzisa intambo ye-E71T-1. Kungani? Isistimu yayo ye-slag ibekezelela ukuhluka okuncane kokulingana kangcono kunocingo oluqinile, futhi izinga layo eliphakeme lokubeka linciphisa ububanzi bendawo ethinteke ukushisa (HAZ) ngo-22% uma iqhathaniswa ne-GMAW ngesilinganiso esifanayo.
Kodwa ezisekelweni zegeji elincanyana—njengamadekhi asekela i-aluminium wezinhlelo zokukhweza elanga—sishintshela ku-GMAW eshayekile ngentambo engu-1.2 mm ER5356. Imvamisa ye-Pulse ihlala ku-120 Hz; i-peak current ikhiywe ku-145 A. Lokhu kuvimbela ukusha kumashidi angu-2.5 mm kuyilapho kugcinwa ukujula kokungena ≥1.8 mm. Abanye bangase bathi i-MIG “ilula” ku-aluminium. Kodwa-ke, ngaphandle kokulawula ukushaya kwenhliziyo, silinganise amazinga okuhlanekezela aphakeme angu-37% kanye ne-4× ngaphezulu kwe-porosity ezimeni ezinomswakama-kuqinisekiswe ngokuhlolwa kwe-radiographic kumasampula ama-welds angu-120.
Isu Lokubamba Linquma Ukuzinza Kwe-Dimensional
Ama-clamps awabambi izingxenye-alawula ingcindezi esele. Isigameko sethu esibi kakhulu se-warpage yesikhulumi senzeke ohlakeni lwezolimo lwamamitha angu-3.2: izimpimpi ze-C ezinezikhala ezilinganayo zidale ukuzithiba kwendawo, okuphoqe ukuhlanekezela ukuthi kuphumele ngaphandle maphakathi nesikhathi. Manje sisebenzisa ukugoqa okulandelanayo: okokuqala lungisa imiphetho yedatha, bese sifaka izinsimbi ezintantayo ngezikhathi ezingu-300-mm ngokuhambisana nama-non-datum flange, sikhulula isibambo ngasinye *emva* kokuphola kwe-weld eseduze kuya ku-60°C. Amakhamera ashisayo aqinisekisa lokhu kunciphisa ukuhlanekezela kwe-angular ngo-65% uma kuqhathaniswa nokubamba okumile.
Siphinde sishumeke izikhala zokukhulula ubunzima—ububanzi obungu-0.8 mm, esikwe ngelaser—kanye nezindawo zoguquko ezinengcindezi ephezulu. Lezi zisebenza njengezindlela ezilawulwayo zokunciphisa ingcindezi ngesikhathi sokupholisa. Kwenye inkundla yezinto zokwakha, ukungeza izikhala ezintathu eziyi-12-mm kwehlisa ukuchezuka kokuqondisa kwe-post-weld kusuka ku-2.1 mm/m kuya ku-0.4 mm/m—ngaphandle komshini we-post-weld.
Ukuhlola Kumelwe Kwedlule Ngalé Kokuhlola Okubonakalayo
Ukuhlola okubukwayo kubamba kuphela u-41% wamaphutha abalulekile ekushiseni kweplathifomu, ngokusho kwedatha yethu yangaphakathi ye-NDT kusukela ngo-2022–2023. Sidinga ukuqinisekiswa kwezigaba ezintathu:
Ukuqapha kwesikhathi sangempela: Wonke amaseli we-robotic welding log, yamanje, isivinini sohambo, nezinga lokuphakela kwezintambo ngesegimenti ngayinye engu-50 mm. Ukuchezuka > ±3% kucupha ukumisa isikhashana okuzenzakalelayo Ukuqinisekiswa kwe-post-weld dimensional: Yonke ingxenyekazi ithola ukuskena kwe-CMM iqhathaniswa nemodeli ye-CAD—gxila kumaphethini embobo abalulekile, isihlalo esithambile (≤0.08 mm), kanye nokuvumelana kwemilenze yokushisela (±0.3 mm) Ukuhlola umthwalo osebenzayo: Okungahleliwe okungu-5% wamaqoqo okukhiqiza abekezelela umthwalo olinganiselwe ongu-1.5× amasekhondi angu-120. Sikala ukuchezuka kumaphoyinti ayisishiyagalombili—hhayi nje ubukhulu, kodwa ukuphambuka esakhiweni sonke Lokhu kuziphatha kubambe inkinga eqhubekayo ekushiseleni kukabakaki abadonswe ngokujulile: ukubukeka okubonakalayo okwamukelekayo okufihlwe ukuntula ukuhlanganisa endaweni ephakathi nendawo ne-flange edwetshiwe. Ukuhlolwa kwe-Ultrasonic kuveze ukuthi ama-92% anjalo amashisela ayenokunqanyulwa kwe-subsurface. Sihlele kabusha i-geometry ehlangene—sengeza ubuso bempande engu-0.5 mm futhi sinciphisa i-engeli ehlanganisa ukusuka ku-75° ukuya ku-65°—futhi sasusa iphutha.
I-Platform Welding Luhlelo—Akusona Isinyathelo
Ukushisela inkundla kuphumelela kuphela uma ukuklama, ukukhethwa kwempahla, ubunjiniyela bendawo, ukulawula inqubo, nokuhlola kusebenza njengesistimu eyodwa. E-Botou Haijun, siphatha yonke inkundla njengento ethwala umthwalo—hhayi iqoqo lezingxenye ezishiselwe. Ukugeleza komsebenzi wethu okuthobela i-ISO kushumeka impendulo ye-DFM *ngaphambi* kokucaphuna, ukufaneleka kwenqubo yokushisela *ngaphambi* kokukhishwa kwamathuluzi, nezitifiketi zezinto ezibonakalayo ezilandelekayo *ngakho konke okuthunyelwayo*. Asiwathengisi ama-welds. Siletha ukuqhubeka kwesakhiwo okuqinisekisiwe.
Konjiniyela abacacisa inkundla yokushisela, qala lapha: chaza indlela yokulayisha kuqala, bese ukhetha ijometri ehlanganyelwe, bese uqondanisa inqubo ne-metallurgy—hhayi ukuhlehla. Lolo shintsho lulodwa lunciphisa ukusebenza kabusha ngama-38%, kususelwa kudatha yango-2023 evela kumaphrojekthi wamakhasimende angama-47. Ukushisela inkundla akuphathelene nokuhlanganisa insimbi. Imayelana nokuqinisekisa ukudluliswa kwamandla - kuzo zonke izinkathi zonyaka, kuwo wonke amashifu, emashumini eminyaka.
