Isingeniso
Ekwenziweni kwezimboni, ukwehluleka kokukhathala kwezakhiwo ezishiselwe kuyimbangela enkulu yokulimala kwemishini kanye nezigameko zokuphepha. Izinkampani eziningi ziyabuza: "Kungani ama-workpieces ashiselwe ngomshini wokushisela amabala asabhekana nokukhathala?" Njengochwephesheumshini wokushisela indawoabakhiqizi, sizohlaziya izimbangela zokukhathala kwe-welding futhi siveze indlela yokuthuthukisa izinqubo kusetshenziswa imishini yokushisela indawo ukuze kunwetshwe impilo yesevisi.
Izimbangela Zomsuka: Ukugxila Kwengcindezi Nokukhubazeka
Ukwehluleka ukukhathala emalungeni ashiselwe empeleni kuwumphumela wokusakazeka kokuqhekeka ngaphansi kwemithwalo eshintshanayo ngenxa yokugxila kwengcindezi yendawo kanye nokukhubazeka. Izici ezibalulekile zifaka:
1.Stress Concentration Effects
Izingcindezi eziyinsalela zakha kusuka kumehluko wokwanda kokushisa ngesikhathi sokushisela
I-geometry ye-weld engalungile (izinguquko ezibukhali, izinzwane ze-weld ezingaphenduliwe) kudala amaphuzu okugxilisa ukucindezeleka
T-amalunga nama-fillet weld anengcindezi ephindwe izikhathi ezingu-2-3 kune-butt welds
2.Weld Defect Impacts
Imifantu, ukuntuleka kokuhlangana, kanye ne-porosity kusebenza "njengezizathu zokuzalela" zokuqhekeka kokukhathala.
Ngisho nendawo yokuqhekeka engu-10% inganciphisa amandla okukhathala ngo-55-65%
Amaphutha evolumu afana nokufakwa kwe-slag kwenza buthaka-umthamo wokulayisha wesigaba
3.Izinguquko Zempahla Ebalulekile
Ukushisa-indawo ethintekile yensimbi (HAZ) ingase ithambe noma iqhume ngenxa yamazinga okushisa aphezulu
Amajoyinti ashiselwe insimbi{0}ephansi ye-carbon steel angabona ukuncipha kwamandla okukhathala okungama-20-30%.
I-Spot Welding Machines Azixazulula Kanjani Izinkinga Zokukhathala
Imishini yesimanje yokushisela indawolungisa lezi zinkinga ngokulawula okunembayo kwamanje, ingcindezi, nesikhathi sokushisela:
1.Ukulawula Ngokunembayo Kwehlisa Ukugxila Kwengcindezi
Ubuchwepheshe be-inverter-emaphakathi (1000-4000Hz) buqinisekisa okukhiphayo kwamanje okuzinzile, okugxilile
I-Millisecond{0}}isikhathi sokushisela sehlisa kakhulu ububanzi be-HAZ kanye nengcindezi eyinsalela
Ukulungiswa kokucindezela okuhlakaniphile kuqinisekisa izindawo zokuguquka ezibushelelezi
I-2.I-Welding Esebenzayo Iqeda Izingozi Zokukhubazeka
Amasistimu we-loop feedback avaliwe aqapha amapharamitha ngesikhathi-sangempela
Ukushisa okuphezulu okungama-30% uma kuqhathaniswa nemishini evamile kuvimbela ukuntuleka kokuhlanganisa
Iqinisekisa ukwakheka okufanayo, ukushisela okuminyene ku-aluminium nensimbi engagqwali
3.Ukujwayela Izinqubo Eziyinkimbinkimbi
Amandla-okulungisa amapharamitha amaningi aphatha amapuleti awugqinsi, izinsimbi ezingafani, nezinto zokusebenza eziyinkimbinkimbi
Ukulawula okunembayo ekushiseleni kwebhethri yecala elisha kwandisa impilo yokukhathala izikhathi ezingu-2-3
Izinzuzo Eziyinhloko Zemishini Yesimanje Ye-Spot Welding
1.40% ukusebenza kahle okuphezulu okuphezulu{1}}nokufakwa kwamandla kwezigaba ezintathu
2. Ukulawula okuhlakaniphile ngama-alamu amaphutha kanye{1}}nokuqapha kwesikhathi sangempela
U-3.50% wempilo ende ye-electrode usebenzisa i-tungsten{1}}i-molybdenum copper alloys
4.Izixazululo ezenziwe ngokwezifiso zezimoto, i-aerospace, nezimboni ezihlukahlukene
Isiphetho
Ukukhathala kokushisela akuwona umphumela ongagwemeki kodwa ingozi elawulekayo ngokusebenzisa imishini ethuthukisiwe nezinqubo.Umshini wokushisela indawo, ngokulawula kwayo okunembayo, ukushisela okuphumelelayo, namandla okuvimbela amaphutha, sekubalulekile ekuxazululeni izinkinga zokukhathala. Ukukhetha abakhiqizi bemishini yokushisela indawo abachwepheshile akugcini nje ngokuthuthukisa ikhwalithi yokushisela kodwa futhi kunciphisa izindleko zokuyilungisa futhi kunwebe ukuphila kwemishini.
