I-Mastering Pipe Welding Procedures: IsiKhokelo esiBanzi
1. Qonda iziseko zeenkqubo zokudibanisa umbhobho
Ukuwelda kwemibhobho kubandakanya ukudibanisa amacandelo emibhobho kunye ukwenza umbhobho oqhubekayo kunye nokuvuza. Inkqubo idinga ukuqonda ngokucokisekileyo kweendlela ze-welding ezifana ne-TIG (i-tungsten igesi ye-inert), i-MIG (i-metal inert gas) kunye ne-stick welding. Itekhnoloji nganye ineenzuzo zayo kunye nemida, kwaye ukhetho lwetekhnoloji luxhomekeke kwizinto ezifana nohlobo lwezinto ezibonakalayo, ububanzi bombhobho kunye nendawo ye-welding.
Ikhowudi yoMgangatho | API | I-ASTM | BS | I-DIN | GB/T | I-JIS | ISO | YB | SY/T | SNV |
Inani lothotho loMgangatho | A53 | 1387 | 1626 | 3091 | 3442 | 599 | 4028 | 5037 | OS-F101 | |
5L | A120 | 102019 | 9711 PSL1 | 3444 | 3181.1 | 5040 | ||||
A135 | 9711 PSL2 | 3452 | 3183.2 | |||||||
A252 | 14291 | 3454 | ||||||||
A500 | 13793 | 3466 | ||||||||
A589 |
2. Ukulungiswa kwe-welding yombhobho
Ukulungiselela ngokwaneleyo kubalulekile ngaphambi kokuba uqalise inkqubo ye-welding. Oku kubandakanya ukucoca iindawo eziza kuxutywa, ukuqinisekisa ukuba imibhobho ifakwe ngokuchanekileyo kunye nokukhetha izinto ezifanelekileyo ze-welding. Ukongeza, kubalulekile ukulandela imigaqo yokhuseleko kwaye uqinisekise ukuba indawo yokusebenza ayinazo naziphi na iingozi ezinokubakho.
3. Khetha izixhobo ezifanelekileyo
Ukukhethwa kwezixhobo ze-welding kudlala indima ebalulekileyo kwimpumelelo yeprogram yakho ye-welding pipe. Oku kubandakanya ukukhetha umatshini wokuwelda ofanelekileyo, i-electrode ye-welding, iigesi ezikhuselayo kunye nezinye izixhobo. Kubalulekile ukutyalomali kwizixhobo eziphezulu zokuqinisekisa ukunyaniseka kwee-welds kunye nenkqubo yonke yokubhobhoza.
4. Ukusebenzisa ezona ndlela zilungileyo
Ukubambelela kwiindlela ezilungileyo kakhulu kubalulekile ekufezekiseni umgangatho ophezulu kunye nokuqina kombhobho welding. Oku kubandakanya ukugcina iiparamitha ezichanekileyo ze-welding ezifana ne-voltage, yangoku kunye nesantya sokuhamba ukuze kuqinisekiswe ukungena okufanelekileyo kunye nokudibanisa. Ukongezelela, ukulungiswa okudibeneyo okufanelekileyo, kubandakanywa ne-bevel kunye nokulungiswa komphetho, kubalulekile ekufezekiseni i-weld eqinile kwaye ethembekileyo.
5. Qinisekisa ukuthotyelwa kweKhowudi
Kumashishini amaninzi,iinkqubo ukuwelda imibhobhokufuneka ibambelele kwiikhowudi ezithile kunye nemigangatho yokuqinisekisa ukuthembeka kunye nokhuseleko lwenkqubo yemibhobho. Oku kunokubandakanya ukuthotyelwa kwemigaqo efana ne-ASME B31.3, API 1104, okanye i-AWS D1.1. Abahloli be-welding kunye nabahloli be-welding kufuneka babe nokuqonda ngokucokisekileyo kwezi nkcukacha kwaye baqinisekise ukuba zonke iinkqubo ze-welding zihlangabezana nemigangatho efunekayo.
6. Ukulawulwa komgangatho kunye nokuhlolwa
Ukulawulwa komgangatho kunye nokuhlolwa yinxalenye ebalulekileyo yeprogram ye-welding welding. Oku kubandakanya ukwenza uhlolo olubonakalayo, uvavanyo olungonakalisi (NDT) kunye novavanyo olutshabalalisayo ukuze kuqinisekiswe umgangatho kunye nokuthembeka kwee-welds. Abahloli be-welding badlala indima ebalulekileyo ekuqinisekiseni ukuba iinkqubo ze-welding zihambelana neemfuno kunye nemigangatho ethile.
Isishwankathelo, iinkqubo zokudibanisa umbhobho zifuna indibaniselwano yobuchwephesha bobugcisa, izixhobo ezifanelekileyo, ukuthotyelwa kweendlela ezilungileyo, kunye nokuthotyelwa kwemigangatho yoshishino. Ngokulandela ezi zikhokelo, i-welders inokuqinisekisa ukuthembeka kunye nokukhuseleka kweenkqubo zombhobho kwiinkqubo ezahlukeneyo zoshishino. Uqeqesho oluqhubekayo kunye nokwazisa inkqubela phambili yamva nje kwitekhnoloji ye-welding nayo ibalulekile ekulawuleni iinkqubo zokuwelda imibhobho kunye nokufezekisa ukugqwesa kwintsimi.