Mastering Pipe Welding Procedures: Phau Ntawv Qhia

Mastering Pipe Welding Procedures: Ib Daim Ntawv Qhia Ua Kom Paub Txog Cov Duab

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Cov txheej txheem vuam yeeb nkab yog qhov tseem ceeb hauv ntau yam kev lag luam xws li kev tsim kho, kev tsim khoom, roj thiab roj, thiab lwm yam. Kev paub txog cov txheej txheem no yog qhov tseem ceeb rau kev ua kom muaj kev ncaj ncees thiab kev nyab xeeb ntawm cov kav dej. Hauv phau ntawv qhia dav dav no, peb'll dhia mus rau qhov tseem ceeb ntawm cov txheej txheem vuam yeeb nkab, suav nrog cov txheej txheem, cov cuab yeej siv, thiab cov kev coj ua zoo tshaj plaws.

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1. Nkag siab lub hauv paus ntawm cov txheej txheem vuam yeeb nkab

Cov yeeb nkab vuam txuas txuas txuas txuas txuas ntawm cov kav dej ua ke los tsim cov yeeb nkab txuas ntxiv thiab tsis muaj pov thawj. Cov txheej txheem yuav tsum muaj kev nkag siab zoo ntawm cov txheej txheem vuam xws li TIG (tungsten inert gas), MIG (hlau inert gas) thiab welding. Txhua lub tshuab muaj nws tus kheej zoo thiab cov kev txwv, thiab kev xaiv ntawm cov cuab yeej yog nyob ntawm yam xws li cov khoom siv, txoj kab uas hla ntawm cov yeeb nkab thiab qhov chaw vuam.

Standardization Code	API	ASTM	BS	DIN	GB / T	JIS	ISO	YB	SY/T	SNV
Serial Number ntawm Standard		A53	1387 ib	1626	3091 ib	3442 ib	599 ib	ib 4028	ib 5037	OS-F101
	5L	A120		10 2019	9 711 tzs	ib 3444	3 181.1		5 040
		A135			9 711 tzs	3452 ib	3183.2 ib
		A252			14291 ib	ib 3454
		A500			ib 13793	ib 3466
		A589

2. Kev npaj cov yeeb nkab vuam

Kev npaj tsim nyog yog qhov tseem ceeb ua ntej pib txheej txheem vuam. Qhov no suav nrog kev tu qhov chaw yuav tsum tau welded, kom ntseeg tau tias cov kav dej raug ntsia tau raug thiab xaiv cov khoom siv vuam tsim nyog. Tsis tas li ntawd, nws tseem ceeb heev kom ua raws li cov txheej txheem kev nyab xeeb thiab xyuas kom meej tias thaj chaw ua haujlwm tsis muaj kev phom sij.

3. Xaiv cov khoom tsim nyog

Kev xaiv cov khoom siv vuam ua lub luag haujlwm tseem ceeb hauv kev ua tiav ntawm koj qhov kev pab cuam vuam yeeb nkab. Qhov no suav nrog kev xaiv lub tshuab vuam tsim nyog, vuam electrodes, tiv thaiv roj thiab lwm yam khoom siv. Nws yog ib qho tseem ceeb rau kev nqis peev hauv cov cuab yeej ua haujlwm siab kom ntseeg tau tias kev ncaj ncees ntawm cov welds thiab tag nrho cov kav dej.

4. Siv cov kev coj ua zoo tshaj plaws

Kev ua raws li cov kev coj ua zoo tshaj plaws yog qhov tseem ceeb rau kev ua tiav cov yeeb nkab zoo thiab ruaj khov. Qhov no suav nrog kev tswj xyuas qhov tseeb vuam tsis xws li qhov hluav taws xob, tam sim no thiab kev mus ncig ceev kom ntseeg tau tias kev nkag mus tau zoo thiab fusion. Tsis tas li ntawd, kev sib koom ua ke kom raug, suav nrog kev npaj bevel thiab ntug, yog qhov tseem ceeb rau kev ua tiav qhov muaj zog thiab txhim khu kev qha.

5. Ua kom muaj kev ua raws cai

Hauv ntau qhov kev lag luam,cov txheej txheem weldingyuav tsum ua raws li cov cai tshwj xeeb thiab cov qauv kom ntseeg tau tias kev ncaj ncees thiab kev nyab xeeb ntawm cov kav dej. Qhov no yuav suav nrog kev ua raws li cov lus qhia tshwj xeeb xws li ASME B31.3, API 1104, lossis AWS D1.1. Welders thiab welding inspectors yuav tsum muaj kev nkag siab zoo ntawm cov kev qhia tshwj xeeb no thiab xyuas kom meej tias tag nrho cov txheej txheem vuam ua tau raws li cov qauv xav tau.

6. Kev tswj xyuas zoo thiab kev tshuaj xyuas

Kev tswj xyuas zoo thiab kev tshuaj xyuas yog qhov tseem ceeb ntawm cov yeeb nkab vuam txoj haujlwm. Qhov no suav nrog kev kuaj pom qhov muag, kev sim tsis muaj kev puas tsuaj (NDT) thiab kev kuaj kev puas tsuaj los xyuas kom meej qhov zoo thiab kev ncaj ncees ntawm cov welds. Welding inspectors ua lub luag haujlwm tseem ceeb hauv kev txheeb xyuas tias cov txheej txheem vuam ua tau raws li cov cai thiab cov qauv.

Hauv cov ntsiab lus, mastering yeeb nkab vuam cov txheej txheem yuav tsum muaj kev sib xyaw ua ke ntawm kev txawj ntse, cov cuab yeej tsim nyog, ua raws li cov kev coj ua zoo tshaj plaws, thiab ua raws li cov qauv kev lag luam. Los ntawm kev ua raws li cov lus qhia no, cov welders tuaj yeem ua kom muaj kev ntseeg siab thiab kev nyab xeeb ntawm cov kav dej hauv ntau cov ntawv thov kev lag luam. Kev cob qhia tsis tu ncua thiab kev paub txog qhov kev nce qib tshiab hauv vuam tshuab kuj tseem ceeb heev rau kev paub txog cov txheej txheem vuam yeeb nkab thiab ua tiav kev ua tau zoo hauv kev ua haujlwm.