1. Txoj hauj lwm ntawm lub thav duab vuam interface yuav tsum tsis txhob muaj kev ntxhov siab hauv cheeb tsam thiab yooj yim rau vuam ua.
2. Qhov zawj ntawm cov qauv hlau yuav tsum tau ua raws li kev kos duab. Yog tias tsis muaj kev npaj rau hauv daim duab kos, cov qauv thiab qhov loj ntawm qhov zawj yuav tsum raug xaiv raws li cov hauv paus ntsiab lus no: ua kom cov vuam zoo, cov hlau tsis tshua muaj hlau, kev ua haujlwm yooj yim, txo vuam kev ntxhov siab thiab deformation, thiab lwm yam.
3. Ua ntej sib dhos ntawm lub thav duab vuam, cov roj, xim, av, xeb, burr thiab galvanized txheej ntawm thiab ze ntawm lub vuam interface nto yuav tsum raug tshem tawm kom nthuav tawm cov xim hlau.
4. Yog hais tias qhov sib txawv hauv zos ntawm cov ncej vuam interface loj dhau, sim txiav nws mus rau qhov loj me, thiab nws yog nruj me ntsis txwv tsis pub ntxiv muab tub lim rau hauv qhov sib txawv.
5. Lub vuam pas nrig, vuam hlau thiab flux siv rau vuam thiab ua cov thav duab loj yuav tsum tau muab cia rau hauv qhov chaw qhuav nrog qhov cua zoo, qhov kub siab tshaj 5 degree, thiab cov huab cua txheeb ze tsawg dua 60 feem pua. Cov welding rods rau vuam qhov tseem ceeb yuav tsum tau muab cia rau hauv ib tug tshwj xeeb rwb thaiv tsev lub tog raj kheej nrog ib tug kub ntawm 100 ~ 150 degree, uas yuav siv tau thiab coj txhua lub sij hawm.
6. Thaum lub thav duab yog welded thiab sib sau ua ke, lub workpiece yuav tsum tau ruaj khov cushioned los tiv thaiv deformation thiab kev ntxhov siab ntxiv thaum vuam thiab kev kho cua sov.
7.Tshwj tsis yog rau qhov sib koom ua ke txias uas tau teev tseg hauv kev tsim cov thav duab, nws yog txwv tsis pub siv cov khoom sib dhos muaj zog rau lwm cov welded pob qij txha, thiab nws tsis raug tso cai siv cov thermal expansion txoj kev los ua kom sib koom ua ke, thiaj li tiv thaiv kev ntxhov siab ntxiv. .
8. Txhawm rau kom ntseeg tau qhov zoo ntawm cov ncej vuam, qhov chaw vuam yuav tsum muaj cua tsis muaj zog, tsis muaj nag, daus pov thawj, pov thawj txias, thiab lwm yam.
9. Rau weldments uas yuav tsum tau preheating thiab tom qab vuam thaum tshav kub kub kho, cov cuab yeej cuab tam, ntsuas kub thiab thermal rwb thaiv tsev cov khoom rau preheating thiab tom qab cua sov yuav tsum tau npaj ua ntej welding.
10. Thaum welding lub weld ntawm lub dav hlau, xyuas kom meej tias qhov ntev weld thiab transverse weld (tshwj xeeb tshaj yog transverse) tuaj yeem shrink dawb. Yog tias lub pob tw welds yog welded, qhov vuam kev taw qhia yuav tsum taw tes rau qhov kawg dawb.
11. Thaum welding lub thav duab, weld lub welds nrog loj shrinkage ua ntej. Yog hais tias muaj pob tw welds thiab fillet welds ntawm tus qauv, weld lub pob tw welds nrog loj shrinkage ua ntej.
12. Thaum welding tus ncej, lub transverse luv weld yuav tsum tau welded ua ntej.
13. Thaum lub sij hawm welding thiab ua tiav ntawm lub thav duab, cov welds uas muaj kev ntxhov siab loj yuav tsum tau welded ua ntej los ua kom cov kev ntxhov siab sab hauv kev faib khoom tsim nyog.
14. Rau thav duab weldments nrog loj deformation, vuam stiffeners tuaj yeem siv tsim nyog raws li qhov tseeb.
15. Kev sib xyaw ua ke ntawm cov khoom siv sib xyaw ua ke yuav tsum tau sib sau ua ke thiab welded ib kauj ruam, thiab cov txheej txheem kev sib xyaw ua ke yuav tsum tau ua tom qab kho deformation.
16. Tom qab vuam thiab ua tiav ntawm tus ncej, tag nrho cov sab hauv thiab sab nrauv los yog ib feem ntawm cov txheej txheem yuav raug kho thiab ntxuav.
17. Tom qab vuam, qhov saum npoo ntawm tus ncej yuav tsum tau ntxuav los ntawm kev txhaj tshuaj blasting, uas tuaj yeem txhim kho qhov qaug zog ntawm tus ncej.