Ukuwelda indawoluhlobo lokumelana nokuwelda, njengenkqubo esekwe kakuhle esetyenziselwa ukudibanisa isinyithi ezahlukahlukeneyo, iyenza ibe yindlela ebalulekileyo yokusebenza kwesinyithi yanamhlanje. Eli nqaku libonelela ngeengcebiso zokufezekisa ii-welds ezinamandla, ezinomtsalane, kunye nezizinzileyo:
Khetha eKuneneIbalaUkuweldaUmatshini
Ukukhetha isixhobo sokuwelda esifanelekileyo sokuxhathisa kubalulekile. Kuphephe oomatshini abakhulu kakhulu abaneempawu ezininzi, njengoko oku kunokumosha utyalo-mali. Ngokufanayo, musa ukukhetha umatshini owaneleyo, njengoko unokungavumeli ukwanda kwexesha elizayo okanye ube nokumelana nokudinwa okuhle.
Olona khetho lungcono ngumatshini okwaziyo ukwenza i-welding enzima, malunga ne-25% yesakhono esongezelelweyo kwi-welding yangoku kunye noxinzelelo olungaphaya kwangoku.sheet metal welding.
Ukusebenzisa umatshini omkhulu kunokubangela imiba emininzi njengomatshini omncinci kakhulu. Ngokomzekelo, ukuba i-diameter ye-cylinder inkulu kakhulu, kufuneka isebenze kuxinzelelo lomoya ongaphantsi kwe-0.2 MPa ukufezekisa uxinzelelo olufunekayo lwe-welding. Oku kunokukhokelela ekuphenduleni kakubi kwindlela yokusetyenziswa koxinzelelo. Ukuba i-cylinder ayisebenzi ngokukhawuleza xa isinyithi sifikelela kwisimo seplastiki kwaye sidinga ukulungiswa ngokukhawuleza, amandla e-weld kunye nokuzinza kunokubandezeleka.
Iinkampani ezininzi, ukuze kube lula ukulawula izixhobo kunye neeparitha ze-welding ezifanayo, khetha izixhobo ezisekelwe kwiimodeli eziqhelekileyo kuneemfuno zenkqubo ye-welding. Oku kunokukhokelela ekusebenzisaneni kakubi xa udiza ezona ndawo zikhulu nezincinci. Le yimpazamo eqhelekileyo yeenjineli ezingenamava. Indlela echanekileyo kukutshatisa ubungakanani besixhobo kwizinto zokusebenza ezidityanisiweyo.
Qeqesha ngaphakathiIbalaUkuwelda
Okokuqala, kubalulekile ukuqeqeshwa kwimigaqo ye-welding kunye nobuchule. Ukuqonda imigaqo ye-resistance spot welding ibalulekile ekulungiseni ngokuchanekileyo iinkqubo ze-welding kunye nokusebenzisa izixhobo ngokufanelekileyo.
I-spot welding inokubonakala ilula, njengoko kubonakala ngathi nabani na unokusebenza kwaye ahlengahlengiseumatshini wokuwelda indawo: beka iindawo phakathi kwe-electrodes, cinezela iqhosha lokuqala, kwaye iindawo zidibene kunye. Nangona kunjalo, oku kuyakhohlisa. Kubalulekile ukuqonda ukubaluleka kwezinto ze-welding kunye neeparamitha kwaye ulungelelanise nganye kwixabiso layo eliphezulu.
Yicinge njengokupheka: izithako ezifanayo, kodwa i-seasonings eyahlukeneyo, amanqanaba obushushu kunye namaxesha okupheka anokuvelisa iincasa ezahlukeneyo kakhulu!
Izinto ezintathu eziphambili ze-welding yendawo ye-welding current, ixesha le-welding, kunye noxinzelelo lwe-welding. Iiparamitha ezongezelelweyo ziquka ixesha loxinzelelo lwangaphambili, ixesha lekhefu le-welding, kunye nexesha lokubamba i-post-welding.
Ngokudibanisa ezi parameters, unokufezekisa i-welding eqinile, ephakathi, okanye ethambileyo, ekhokelela kwiziphumo ezahlukeneyo zokuwelda, ezinje:
Iimpawu ezinzima:I-deformation encinci yecandelo, impembelelo yokushisa ephantsi, isantya esikhawulezayo se-welding, kodwa ifuna amandla aphezulu, amandla, kunye nezixhobo zoxinzelelo oluphezulu.
Iimpawu ezithambileyo:Inxalenye ebalulekileyo ye-deformation, i-weld indentation enzulu, i-discoloration, isantya esincinci se-welding, kodwa amandla aphantsi kunye neemfuno eziqinileyo zesixhobo.
Inkcazo ephakathi:Iziphumo kunye neemfuno zezixhobo ziwela phakathi kwezi zimbini zigqithisayo zingentla.
Iincwadi zobuchwephesha ezifana ne "Welding Handbook" zibonelela ngeengcebiso zeparameter, kwaye iinjineli zenkonzo yobuchwephesha ye-Agera zibonelela ngoqeqesho lobuchwephesha kunye nesikhokelo kubasebenzisi.
Khetha eKuneneSpot WeldingIi-electrodes
Ukuthelekisa imathiriyeli ye-electrode kunye nenxalenye yemathiriyeli kubalulekile kwiziphumo ezizezona zilungileyo ze-welding kunye nokusebenza kakuhle kwamandla.
Ukuwelda indawoaluminiyamkwayeamashiti enziwe ngesinyithi, sebenzisa i-alumina-dispersed copper electrode, exhathisa ukunamathela.
Kubayenziwe ngentsimbi eshayinayokunye namaphepha entsimbi ephantsi kwekhabhoni, sebenzisa i-electrode yobhedu ye-chromium zirconium, ebonelela ngeendleko eziphezulu.
Kubaubhedu, i-tungsten kunye ne-molybdenum electrode ziyadingeka ukuncedisa nge-welding ngenxa yokushisa kwazo.
Uyilo kunye nokuveliswa kweemilo ze-electrode nazo zibalulekile, njengoko zichaza ubungakanani kunye nokubonakala kwe-weld nugget kunye namandla ayo.
Misela i-Welding Parameters
Iiparamitha ze-Welding zingasetwa ngokusekelwe kumava okanye idatha evela kwimithombo yoluntu. Ukuba akukho zimbekiselo zikhoyo, ungafumana kuphela ezona parameters zintle zokuwelda ngokusebenzisa iiweld ezininzi zolingo ezinesetingi ezahlukeneyo. Xa uvavanya, landela le migaqo:
Qala ngokuNcinci: Qala ngokugcina, amaxabiso amancinci kwiiparameters ezifana ne-welding yangoku, ixesha, kunye noxinzelelo, kwaye ngokuthe ngcembe wandise. Le ndlela inceda ukuphepha umonakalo kwisixhobo, i-electrodes, kunye neengxenye.
Lungisa iParameter enye ngexesha: Ukulungelelanisa iiparitha ezininzi ngaxeshanye kunokukhokelela kwizigwebo ezingalunganga, ngakumbi kubaqhubi abangenamava. Ukuba olunye uhlengahlengiso alusebenzi, zama olunye ngelixa ujonga ngononophelo utshintsho kumgangatho we-welding.
Vumela iParameter Margins: Qinisekisa ukuba kukho umda weparameters ukulungiselela ukwahluka kumacandelo.
Emva kokuba iiparameters ze-welding ziqinisekisiwe, qinisa ezi datha kwaye uzisebenzise njengesiseko sokuvelisa.
Gcina i-Electrodes
Rhoqo lungisa ii-electrode ezigogekileyo ukuze uzigcine kubungakanani obuyilwe ekuqaleni kwaye ucoce ubumdaka kunye neentsalela zengxubevange yobhedu kumphezulu wazo. Olu londolozo lubalulekile kwi-welding ezinzileyo.
I-Electrodes esebenza phantsi koxinzelelo oluphezulu kunye nobushushu bunokukhubazeka, ukwandisa indawo yabo yokudibanisa kunye namalungu kunye nokunciphisa ubuninzi be-welding yangoku. Ukongeza, iingubo ezingaphezulu, i-oyile, kunye nomhlwa ukusuka kwiindawo zinokubambelela kwii-electrode, ukwandisa ukuchasana noqhagamshelwano kunye nokunciphisa i-welding yangoku. Le miba ichaphazela ngokuthe ngqo umgangatho we-welding.
Ukusebenzisa isinxibo esikhethekileyo se-electrode kunokubuyisela ngokukhawuleza ukumila kwe-electrode kwaye kususe ubumdaka obungaphezulu. Gwema ukusebenzisa ifayile yokucoca ngesandla, njengoko ayikwazi ukuqinisekisa ukuma okufanelekileyo kunye nokugqitywa kwendawo ye-electrodes.
Sebenzisa i-Welding Inspection Equipment
Amalungu e-spot welding aqhelekanga kuvavanyo olungonakalisi. Iindlela zokuhlola eziqhelekileyo ziquka ukuhlolwa okubonakalayo, i-torque wrenches (ye-welding nuts), oomatshini bokuvavanya i-tensile, kunye nabavavanyi be-metallographic.
I-Tensile kunye noVavanyo loKunyanzeliswa: Yenza ezi mvavanyo ngaphambi kokuqala usuku olupheleleyo lwemveliso ukuqinisekisa ukuthembeka kweeparitha ze-welding kunye nesethi yedatha yovavanyo. Ekupheleni kweshifti nganye, vavanya iinxalenye ezidityanisiweyo kunye neeparamitha zangoku kwakhona ukuqinisekisa ukuhambelana. Kwiindawo ezibalulekileyo ezineemfuno eziphezulu zomgangatho, ukwandisa ukuphindaphinda kovavanyo olonakalisayo.
Ukujongwa kweNkqubo: Ukusebenzisa iimonitha zomgangatho we-welding yenye inketho, eya ixabisa ngakumbi kwaye isetyenziswa ngokubanzi. Ngokubeka iliso kwiiparamitha ze-welding ngexesha langempela kunye nokubeka imida ephezulu kunye nesezantsi, nakuphi na ukuphambuka kunokubangela i-alamu, ukunciphisa iziphene ze-welding. Ezi datha ze-welding zinokugcinwa ukuze zilandeleke umgangatho.
ULondolozo lwarhoqo kunye noHlolo
Emva kokusetyenziswa kwexesha elide, izixhobo zokuwelda zeSpot zifuna ukujongwa rhoqo kwezi ndawo:
- ISekethe yokuQhubela:I-welding spatter inokuhlasela iindawo ezikhuselweyo kunye nezithuba, ezibangela ukucima, ukunciphisa kunye nokunciphisa i-welding current. Susa i-weld slag. Ukutshintsha rhoqo kwe-electrode kunokunxiba kunye ne-oxidize uqhagamshelo lwe-conductive, olufuna ukuphinda kulungiswe. Qinisa iibholithi kwimitya yobhedu ethambileyo kunye nemivalo yobhedu eqinile ukunqanda ukukhululeka ekusebenziseni ixesha elide.
- IsiKhokelo se-Welding Cylinder:Jonga intshukumo egudileyo kunye nezikhewu. Ukutyibilika okungalunganga kuchaphazela ukulandelwa kwe-weld; izithuba ezigqithisileyo zichaphazela ukumila kwe-weld kunye nokulungelelaniswa kwenxalenye.
- ISekethe yaManzi:Qinisekisa ukuhamba kakuhle kwamanzi. Coca iimitha zokuhamba ukuze kucace, khangela indlela yokuhamba nganye, kwaye ucoce izithintelo okanye utshintshe imibhobho. Amanzi angonelanga okupholisa anokuthi agqithise i-transformers kunye ne-electrode, ukunciphisa ixesha lokuphila okanye kubangela ukudinwa. Khangela kwaye ulungise iindawo ezivuzayo.
- I-Welding yangoku:Qinisekisa i-welding current kunye nomhloli weqela lesithathu ukuqinisekisa ukuba iyahambelana nemigangatho. Ukusetyenziswa ixesha elide kunokunciphisa imveliso yangoku, ngoko ke ukuvavanya rhoqo kunye nokuphuculwa okanye ukulungiswa kunokufuneka.
- ISekethe yoMoya:Jonga kwaye ulungise ukuvuza komoya, njengoko ukuvuza kubangela uxinzelelo olungazinzanga kunye nokulahleka kwamandla.
- Ucoceko:Gcina izixhobo zicocekile. Iimpawu ezicacileyo kunye nezixhobo ezicocekileyo zinciphisa iimpazamo zabantu.
Ihlobo
Ezi zezinye iingcebiso kubasebenzisi bezixhobo zokumelana ne-welding. Ngaphezulu kweminyaka engama-20 yamava kushishino ukuwelda, sinikezela uluhlu olupheleleyo lweenkonzo, kuquka ukulungiselela isampuli welding, ukhetho umatshini, isiko non-standard automated izixhobo welding, ufakelo kunye nokugunyazisa, ukugcinwa, izixhobo ezixhasayo, kunye namacandelo. Zive ukhululekile ukuqhagamshelana nathi!
Ixesha lokuposa: Jul-09-2024
