01 Yintoni aidibaniso edityanisiweyo
Umdibaniso odityanisiweyo ubhekisa kwindawo edibeneyo apho izinto ezimbini okanye ngaphezulu zokusebenza zidityaniswe nge-welding. I-welded joint welding ye-fusion yenziwa ngokufudumeza kwendawo ukusuka kumthombo wobushushu obuphezulu. Umdibaniso odibeneyo uquka indawo yokudibanisa (indawo ye-weld), umgca wokudibanisa, indawo echaphazelekayo yokushisa, kunye nesiseko sentsimbi, njengoko kubonisiwe kumfanekiso.
02 Yintoni umdibaniso weempundu
Isakhiwo se-welding esisetyenziswa ngokuqhelekileyo sidibaniso apho iinxalenye ezimbini ezidibeneyo zidityaniswe kwinqwelomoya enye okanye i-arc kwi-midplane ye-joint. Uphawu lokufudumeza okufanayo, amandla afanayo, kwaye kulula ukuqinisekisa umgangatho we-welding.
03 Yintoni ai-welding groove
Ukuze kuqinisekiswe ukungena kunye nomgangatho wamalungu adityanisiweyo, kunye nokunciphisa i-welding deformation, iindawo ezidibeneyo ze-welded zilungiswa kwangaphambili kwiimilo ezahlukeneyo ngaphambi kwe-welding. Iigrooves ze-welding ezahlukeneyo zifanelekile kwiindlela ezahlukeneyo ze-welding kunye nobukhulu be-weldment. Iifom eziqhelekileyo ze-groove ziquka: i-I-shaped, i-V-shaped, i-U-shaped, i-unilateral i-V-shaped, njl., njengoko kuboniswe kumfanekiso.
Iifom zegroove eziqhelekileyo zamalungu empundu
04 Impembelelo yeBut Joint Groove Form kwiLaser Arc Composite Welding
Njengoko ubukhulu be-welding workpiece bukhula, ukufezekisa ukuwelda okuhlangeneyo kunye nokwakhiwa kwamacala amabini aphakathi kunye namacwecwe aphakathi (amandla e-laser<10 kW) ahlala enzima ngakumbi. Ngokuqhelekileyo, iindlela ezahlukeneyo ze-welding kufuneka zamkelwe, ezifana nokuyila iifom ze-groove ezifanelekileyo okanye ukugcina izikhewu ezithile ze-docking, ukuze kuphunyezwe i-welding yamacwecwe aphakathi kunye namancinci. Nangona kunjalo, kwimveliso ye-welding yokwenyani, ukugcina izikhewu ze-docking kuya kwandisa ubunzima bokulungiswa kwe-welding. Ke ngoko, uyilo lwe-groove luba lubalulekile ngexesha lenkqubo ye-welding. Ukuba uyilo lwe-groove alunangqiqo, ukuzinza kunye nokusebenza kakuhle kwe-welding kuya kuba nefuthe elibi, kwaye kwandisa umngcipheko we-welding defects.
(1) Ifom ye-groove ichaphazela ngokuthe ngqo umgangatho we-weld seam. Uyilo olufanelekileyo lwe-groove lunokuqinisekisa ukuba i-welding wire metal izaliswe ngokupheleleyo kwi-weld seam, ukunciphisa ukwenzeka kweziphene ze-welding.
(2) Imilo yejometri yegroove ichaphazela indlela ubushushu obudluliswa ngayo, obunokukhokela ngcono ubushushu, ukufezekisa ukufudumeza okufanayo kunye nokupholisa, kunye nokunceda ukuphepha ukuguqulwa kwe-thermal kunye noxinzelelo olushiyekileyo.
(3) Ifom ye-groove iya kuchaphazela i-morphology ye-cross-sectional ye-weld seam, kwaye iya kukhokelela kwi-morphology ye-cross-sectional ye-weld seam ihambelana ngakumbi neemfuno ezithile, ezifana nobunzulu bokungena kwe-weld kunye nobubanzi.
(4) Ifomu efanelekileyo ye-groove inokuphucula ukuzinza kwe-welding kunye nokunciphisa izinto ezingazinzanga ngexesha lenkqubo ye-welding, njengokutshiza kunye neziphene eziphantsi.
Njengoko kuboniswe kwi-Figure 3, abaphandi baye bafumanisa ukuba ukusebenzisa i-laser arc composite welding (amandla e-laser 4kW) inokugcwalisa i-groove kwimigangatho emibini kunye nokupasa ezimbini, ngokufanelekileyo ukuphucula ukusebenza kakuhle kwe-welding; Ukuwelda okukhululekileyo kwe-20mm ubukhulu be-MnDR kwaphunyezwa kusetyenziswa ukuwelda kwe-laser arc composite enemigangatho emithathu (amandla elaser ayi-6kW); I-laser arc composite welding yayisetyenziselwa ukuwelda i-30mm engqingqwa yentsimbi ephantsi kwekhabhoni kwimigangatho emininzi kunye nokudlula, kwaye i-morphology ye-cross-sectional ye-welded joint yayizinzile kwaye ilungile. Ukongezelela, abaphandi baye bafumanisa ukuba ububanzi beegrooves ezixande kunye ne-angle ye-grooves e-Y-shaped grooves inefuthe elibalulekileyo kwimpembelelo yokunqanda indawo. Xa ububanzi be-groove ye-rectangular≤I-4mm kunye ne-engile ye-groove emile njengo-Y≤60 °, i-morphology ye-cross-section ye-weld seam ibonisa ukuqhekeka okuphakathi kunye neenotshi zodonga olusecaleni, njengoko kuboniswe kumfanekiso.
Impembelelo yeFomu yeGroove kwi-Cross Section Morphology of Welds
Impembelelo yeGroove Width kunye neAngle kwi-Cross Section Morphology of Welds
05 Isishwankathelo
Ukukhethwa kwefom ye-groove kufuneka kuqwalaselwe ngokubanzi iimfuno zomsebenzi we-welding, iimpawu eziphathekayo, kunye neempawu zenkqubo ye-laser arc composite welding. Uyilo olufanelekileyo lwe-groove lunokuphucula ukusebenza kakuhle kwe-welding kunye nokunciphisa umngcipheko weziphene ze-welding. Ke ngoko, ukhetho kunye noyilo lwefom yegroove yinto ephambili phambi kwe-laser arc composite welding yamacwecwe aphakathi kunye atyebileyo.
Ixesha lokuposa: Nov-08-2023
