Resistance chaw vuam yog cov txheej txheem siv dav hauv kev tsim khoom lag luam kom koom nrog cov khoom siv hlau zoo. Ua kom ntseeg tau qhov zoo ntawm cov ntsiab lus weld yog qhov tseem ceeb los tswj cov txheej txheem kev ncaj ncees thiab kev nyab xeeb ntawm cov khoom kawg. Hauv tsab xov xwm no, peb yuav tham txog txoj kev rau kev tshawb nrhiav Weld point zoo hauv kev tiv thaiv chaw vuam tshuab.
Resistance chaw vuam yog txheej txheem uas ob daim hlau tau koom nrog los ntawm kev siv cua sov thiab siab ntawm cov ntsiab lus tshwj xeeb. Qhov zoo ntawm qhov vuam taw tes yog nyob ntawm ntau yam, nrog rau cov khoom siv vuam, cov khoom siv, thiab cov xwm txheej ntawm vuam electrodes. Kev txheeb xyuas thiab ua kom ntseeg tau qhov zoo ntawm cov ntsiab lus weld no yog qhov tseem ceeb los tiv thaiv qhov tsis xws luag thiab tswj kev ntseeg tau ntawm cov khoom siv welded.
Txoj kev txhawm rau txhawm rau Weld Point Quality
- Kev tshuaj xyuas qhov muag: Txoj kev yooj yim tshaj plaws los kuaj xyuas qhov zoo ntawm qhov vuam yog los ntawm kev tshuaj xyuas qhov muag. Cov neeg ua haujlwm txawj ntse tuaj yeem kuaj xyuas cov ntsiab lus weld rau qhov tsis sib xws xws li tawg, voids, lossis tsis txaus nkag. Kev tshuaj xyuas qhov muag muab kev tawm tswv yim tam sim thiab feem ntau yog thawj kab ntawm kev tiv thaiv hauv kev tswj kom zoo.
- Kev kuaj Ultrasonic: Kev ntsuam xyuas ultrasonic yog ib txoj kev tsis muaj kev puas tsuaj uas siv cov suab nrov nrov los tshuaj xyuas cov vuam cov qauv sab hauv. Nws tuaj yeem txheeb xyuas cov teeb meem sab hauv uas yuav tsis pom los ntawm kev tshuaj xyuas qhov muag, xws li zais cov kab nrib pleb lossis voids.
- X-ray soj ntsuam: X-ray tshuaj xyuas yog lwm txoj kev tsis muaj kev puas tsuaj uas muab cov duab ntxaws ntxaws ntawm cov weld cov qauv sab hauv. Nws muaj txiaj ntsig zoo hauv kev txheeb xyuas cov teeb meem sab hauv thiab ua kom muaj kev ncaj ncees ntawm cov ntsiab lus tseem ceeb weld.
- Weld Current thiab Voltage Monitoring: Kev soj ntsuam cov vuam tam sim no thiab qhov hluav taws xob thaum lub sijhawm vuam tuaj yeem muab cov ntaub ntawv tiag tiag txog qhov zoo ntawm qhov vuam. Deviations los ntawm cov kev txwv tsis pub muaj peev xwm qhia tau hais tias muaj teeb meem nrog lub vuam, xws li kev sib cuag tsis zoo los yog cov khoom siv tsis sib haum.
- Shear thiab Tensile Test: Txhawm rau ntsuam xyuas lub zog ntawm cov khoom siv vuam, cov qauv tuaj yeem raug txiav thiab ntsuas tensile. Cov kev ntsuam xyuas no txiav txim siab lub vuam lub peev xwm los tiv thaiv sab nraud quab yuam thiab xyuas kom nws ua tau raws li qhov yuav tsum tau muaj lub zog tshwj xeeb.
- Microstructural Analysis: Kev tshuaj xyuas microstructural suav nrog kev tshuaj xyuas cov weld's microstructure nyob rau hauv lub tshuab tsom. Txoj kev no tuaj yeem nthuav tawm cov ntaub ntawv hais txog lub weld cov qauv nplej, uas tuaj yeem cuam tshuam nws cov khoom siv kho tshuab.
- Dye Penetrant Testing: Dye penetrant testing yog ib txoj hauv kev siv los txheeb xyuas qhov tsis xws luag hauv welds. Ib tug penetrant dye yog siv rau ntawm qhov chaw weld, thiab cov xim ntau dhau raug muab tshem tawm. Cov xim yuav nkag mus rau hauv qhov tsis xws luag, ua rau lawv pom nyob rau hauv UV teeb.
- Sib Nqus Particle Test: Txoj kev no yog qhov tsim nyog rau kev kuaj xyuas qhov chaw thiab qhov chaw ze ntawm cov ntaub ntawv ferromagnetic. Cov khoom sib nqus tau siv rau qhov vuam, thiab txhua qhov cuam tshuam hauv qhov chaw sib nqus los ntawm qhov tsis xws luag raug txheeb xyuas.
Ua kom ntseeg tau qhov zoo ntawm cov ntsiab lus weld nyob rau hauv qhov chaw vuam tshuab yog qhov tseem ceeb rau kev tswj xyuas kev ncaj ncees ntawm cov khoom siv welded. Kev siv kev sib txuas ntawm kev tshuaj xyuas qhov muag thiab kev kuaj tsis muaj kev puas tsuaj xws li kuaj ultrasonic, kuaj X-ray, thiab kev soj ntsuam tam sim no tuaj yeem pab txheeb xyuas qhov tsis xws luag thiab sib txawv ntawm cov qauv zoo. Kev ntsuam xyuas thiab kev soj ntsuam microstructural ntxiv kom ntseeg tau tias cov welds ua tau raws li qhov yuav tsum tau muaj lub zog thiab cov qauv kev qhia tshwj xeeb. Los ntawm kev siv cov txheej txheem no, cov tuam ntxhab tuaj yeem tsim cov khoom zoo welded nrog kev ntseeg siab.
Post lub sij hawm: Sep-22-2023
