Intshayelelo
Kwimveliso yoshishino, umgangatho we-welding uchaphazela ngokuthe ngqo ukusebenza kwemveliso kunye nobomi.Medium Frequency Inverter Spot Welderszisetyenziswa ngokubanzi ngenxa yezakhono zokuwelda esebenzayo kwaye uzinzile, kodwa ukuba ulwakhiwo metallographic wedibaniso oludityanisiweyo uyafaneleka kusafuna ukuqinisekiswa ngohlolo lobungcali. Eli nqaku lihlalutya amanqaku aphambili okuhlolwa kwe-metallographic kwi-welds eyenziwe yi-Medium Frequency Inverter Spot Welders.
1. IiNjongo ezingundoqo zoHlolo lweMetallographic
Ukuhlolwa kwe-metallographic kujolise ekuvavanyeni i-microstructure, ukuhanjiswa kweenkozo, kunye neziphene kwindawo ye-welding. Kwi-Medium Frequency Inverter Spot Welders, iimpawu zabo zokuwelda (umzekelo, ubushushu obuncinci{3}}indawo echaphazelekileyo, amandla agxininisiweyo) ziyalela ukuba uhlolo lugxile kwezi zalathisi zilandelayo:
- IGrain Refinement Degree kwiNugget Zone: I-Medium Frequency Inverter Spot Welders ifumana ukufudumeza ngokukhawuleza nge-1000Hz inverter yangoku. Ubungakanani benkozo yendawo yeNugget ngokuqhelekileyo bulawulwa phakathi kwe-5-15μm, ngaphezu kwe-20-30μm ye-welding ye-AC yendabuko, ukunciphisa umngcipheko we-embrittlement.
- Ubushushu-Ububanzi beZowuni eChaphazelekayo: I-HAZ ye-Medium Frequency Inverter Spot Welders ayidluli kwi-0.5mm. Uqwalaselo lweMikroskopu luyafuneka ukukhangela i-oxidation yomda weenkozo okanye ukutsha.
- I-Weld Joint Amandla: Qinisekisa ngovavanyo lwe-tensile ukuba amandla e-weld shear afikelela ngaphezulu kwe-80% yexabiso lethiyori yemathiriyeli.
2. Amanyathelo aphambili kuHlolo lweMetallographic
- ULungiselelo lwesampulu: Emva kwesampulu, idibansi edityanisiweyo kufuneka ixhonywe, icolwe, kwaye ipolishwe ukuqinisekisa ukuba {0}kunomgangatho okhululekileyo.
- Uqwalaselo lweMikroskopu: Sebenzisa imakroskopu yemetallographic kwi-100-500x yokwandisa ukujonga i-morphology yeenkozo kwi-nugget zone, indawo echatshazelwe bubushushu, kunye nesiseko sesinyithi. Ngokomzekelo, i-stainless steel weld nuggets evela kwi-Medium Frequency Inverter Spot Welder kufuneka ibonise iinkozo ezilinganayo ngaphandle kokuqhekeka okukhulu okanye iipores.
- I-Chemical Etching kunye noHlalutyo: Sebenzisa i-electrolytic etching ukuveza imida yeenkozo kunye nokuvavanya ngakumbi impumelelo yokulungiswa kweenkozo. Uvavanyo olwenziwa ngumvelisi wamacandelo emoto lubonise ukuba ama-304 entsimbi ye-weld nuggets evela kwi-Medium Frequency Inverter Spot Welder izuze i-95% yobungakanani bokufana kweenkozo, ngcono kakhulu kunezixhobo zemveli.
3. Ukuqinisekiswa kwezinto eziluncedo zobuGcisa kwi-Medium Frequency Inverter Spot Welders
- Ulawulo loBubushushu obugxininisiweyo: I-Inverter Spot Welders ePhakathi iFrequency Frequency Inverter Spot Welders zisebenzisa phezulu{0}}i-frequency pulse discharge (0.1-0.3 imizuzwana) ukujolisa ubushushu kwindawo ye weld, ukunciphisa ukurhawuzelelwa kweenkozo okubangelwa kubushushu bentsimbi esisiseko.
- Ulungelelwaniso lweParameter ekrelekrele: Yakhelwe-kwizinzwa esweni ngoku kunye noxinzelelo ngexesha lokwenyani, inqanda iziphene ezibangelwa kuguquguquka kweparameter ngexesha lewelding. Ngokomzekelo, xa udibanisa i-aluminium alloy, i-Medium Frequency Inverter Spot Welder inokulawula izinga lokutshiza ngaphantsi kwe-1%.
- Uzinzo lweNkqubo: Uyilo lweModyuli kunye neenkqubo zokupholisa ezisebenzayo (umoya + ulwelo) ziqinisekisa ukuhambelana kwekhwalithi ye-weld idlula i-98% ngexesha lokusebenza ixesha elide.
4. I-Case Study kwi-Practical Application
Inkampani entsha yebhetri yamandla isebenzise iMedium Frequency Inverter Spot Welder ukuwelda ithebhu. Iziphumo zokuhlolwa kwe-Metallographic zibonise:
- Ubushushu be-weld-echatshazelweyo ngububanzi bendawo ibiyi-0.45mm, ikhawulelana nemigangatho yoshishino (Ngaphantsi okanye ilingana no-0.6mm).
- Amandla e-weld shear kuvavanyo lwe-tensile afikelele kwi-250MPa, egqithisa iimfuno zoyilo (Mkhulu okanye ulingana ne-200MPa).
- Zi-2 kuphela kwi-1000 iisampulu ezine-porosity encinci, ezivelisa izinga lokupasa lama-99.8%.
Ukuqukumbela
Ngokusebenzisa-iteknoloji yolawulo oluqhelekileyo lwangoku kunye nobukrelekrele,Medium Frequency Inverter Spot Weldersphucula kakhulu umgangatho we-microscopic wamalungu adityanisiweyo. Ukuhlolwa kwe-Metallographic akukona nje ukuqinisekiswa kwenkqubo ye-welding kodwa kunye nekhonkco eliphambili ekuqinisekiseni ukuthembeka kwemveliso. Phantsi kwendlela yokwenziwa kobuchule, ukuqonda iindlela zokuhlola i-metallographic ye-Medium Frequency Inverter Spot Welder welds iya kuba yeyona nto iphambili kumashishini ukwenza ngcono iinkqubo zokuwelda kunye nokwandisa ukhuphiswano.
