Dye Penetrant Inspection (DPI) yog dav siv txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau Txoj kev siv tau los nrhiav qhov chaw tawg qhov tsis zoo xws li tawg, porosity, laps, seams thiab lwm yam deg discontinuities.
Qhov zoo thiab qhov tsis zoo ntawm kev tshuaj ntsuam dye penetrant yog dab tsi?
Qhov zoo ntawm DPI yog qhov nrawm ntawm qhov ntsuas thiab tus nqi qis. Qhov tsis zoo suav nrog kev tshawb pom ntawm qhov tsis zoo ntawm daim tawv nqaij, khaus tawv nqaij, thiab kev tshuaj xyuas yuav tsum nyob rau ntawm qhov chaw huv si uas muaj kev nkag siab ntau dhau tuaj yeem raug tshem tawm ua ntej tsim.
Yuav ua li cas yog lub hauv paus ntsiab lus ntawm dye penetrant test?
Lub hauv paus ntsiab lus ntawm kev ntsuam xyuas cov kua dej yog qhov cov kua nkag mus rau hauv qhov tawg-tawg tawg los ntawm kev ua haujlwm capillary thiab dhau qhov kev nkag mus rau saum npoo yog muab tshem tawm; tus tsim tawm (feem ntau yog cov hmoov qhuav) yog tom qab ntawd siv rau saum npoo, kos tawm qhov nkag mus rau hauv qhov tawg thiab tsim qhov taw qhia saum npoo.
Dab tsi yog qhov txwv ntawm kev tshuaj xyuas cov xim nkag mus?
Qhov tsis zoo ntawm LPI
Kev ntsuas kua dej nkag mus muaj qhov tsis zoo hauv qab no: Ntev ntev, siv sijhawm ua ntej ntxuav qhov tseem ceeb-sov cov kab mob tuaj yeem npog qhov tsis xws luag Sensitive rau deg-breaking defects nkaus xwb kev txuas ncaj qha rau saum npoo raws li kev sim tsim nyog
Dye penetrant lub hom phiaj yog dab tsi?
Dye Penetrant Inspection (DPI) yog dav siv txhawm rau txhawm rau txhawm rau qhov tsis zoo. Cov txheej txheem kuaj tsis yog kev puas tsuaj, tseem hu ua kua dej nkag mus kuaj (LPI), yog ib txoj hauv kev siv nyiaj siv los nrhiav qhov chaw tawg qhov tsis zoo xws li tawg, porosity, laps, seams thiab lwm yam deg discontinuities.
