Cov tsos zoo ntawm cov khoom yog ib qho tseem ceeb ntawm kev hnov lus zoo. Cov tsos mob zoo feem ntau yog hais txog qhov zoo ntawm cov khoom zoo, xim suab, gloss, qauv, thiab lwm yam uas pom pom. Obviously, tag nrho cov tsis xws luag xws li pob, abrasions, indentations, khawb, xeb, mildew, npuas, pinholes, pits, nto tawg, txheej, thiab wrinkles yuav cuam tshuam cov tsos zoo ntawm cov khoom. Tsis tas li ntawd, ntau yam khoom zoo nkauj zoo nkauj kuj tseem cuam tshuam ncaj qha rau cov khoom lag luam, lub neej thiab lwm yam. Piv txwv li, cov khoom lag luam nrog lub ntsej muag du muaj peev xwm tiv thaiv xeb, kev sib txhuam me me, hnav tsis kam thiab tsis muaj zog noj. Kev ntsuam xyuas ntawm cov khoom zoo li zoo muaj ib tug tej yam subjectivity. Txhawm rau txiav txim siab lub hom phiaj ntau li ntau tau, cov txheej txheem tshuaj xyuas hauv qab no feem ntau siv rau hauv kev tshuaj xyuas zoo ntawm cov khoom lag luam.
(1) Tus qauv qauv pawg txheej txheem. Cov qauv tsim nyog thiab tsis tsim nyog raug xaiv raws li cov qauv qauv ua ntej, nyob rau hauv cov qauv tsis tsim nyog yog ntau yam tsis xws luag nrog qhov sib txawv hnyav. Cov qauv qauv tuaj yeem rov ua dua los ntawm ntau tus neeg soj ntsuam (cov neeg soj ntsuam), thiab cov kev soj ntsuam tuaj yeem suav. Tom qab txheeb xyuas cov txiaj ntsig kev txheeb cais, nws muaj peev xwm paub tias cov kab mob twg tsis raug teev tseg; uas cov neeg soj ntsuam tsis muaj kev nkag siab tob txog tus qauv; uas cov neeg soj ntsuam tsis muaj kev cob qhia thiab kev ntxub ntxaug. (2) Kev soj ntsuam daim duab. Los ntawm kev yees duab, qhov tsim nyog pom zoo thiab qhov kev txwv tsis raug tso cai tau pom nrog cov duab, thiab cov duab raug cai ntawm ntau yam tsis raug cai kuj tuaj yeem siv los ua kev sib piv. (3) Txoj kev loj hlob tsis zoo. Siv lub iav magnifying los yog ib lub projector los nthuav dav qhov chaw ntawm cov khoom thiab nrhiav qhov tsis xws luag ntawm qhov chaw pom nyob rau hauv thiaj li yuav txiav txim ntau yog qhov xwm thiab qhov hnyav ntawm qhov tsis xws luag. (4) Vanishing nrug txoj kev. Mus rau qhov chaw siv khoom, tshuaj xyuas cov kev siv ntawm cov khoom, thiab saib xyuas cov xwm txheej siv ntawm cov khoom. Tom qab ntawd simulate qhov kev siv tiag tiag ntawm cov khoom, thiab qhia lub sijhawm sib xws, kev soj ntsuam qhov deb thiab lub kaum sab xis raws li kev soj ntsuam thaum lub sijhawm tshuaj xyuas. Nws raug txiav txim raws li cov khoom tsim nyog, txwv tsis pub nws yog cov khoom tsis tsim nyog. Txoj kev no yog qhov yooj yim dua thiab siv tau ntau dua li cov qauv tsim thiab tshuaj xyuas cov khoom los ntawm cov khoom raws li ntau hom kev tsis xws luag thiab ntau yam hnyav.
Piv txwv li: Kev soj ntsuam zoo ntawm galvanized txheej ntawm qhov chaw.
①Cov tsos zoo yuav tsum.Cov tsos zoo ntawm galvanized txheej muaj xws li plaub yam: xim, uniformity, tso cai tsis xws luag thiab tso cai tsis xws luag. xim. Piv txwv li, txheej galvanized yuav tsum yog lub teeb grey nrog me ntsis beige; txheej galvanized yuav tsum yog silver-dawb nrog ib tug tej yam luster thiab lub teeb xiav tom qab lub teeb emission; Tom qab kev kho phosphate, txheej galvanized yuav tsum yog lub teeb grey rau nyiaj grey. tsis sib xws. Cov txheej txheej galvanized yuav tsum muaj qhov zoo-grained, zoo ib yam thiab nruam nto. Tso cai tsis xws luag. Xws li: me ntsis dej cim; me ntsis fixture cim rau ntawm qhov chaw tseem ceeb heev; Qhov sib txawv me me ntawm cov xim thiab gloss ntawm tib qhov, thiab lwm yam tsis raug tso cai. Xws li: txheej blistering, tev, scorching, nodules thiab pitting; dendritic, spongy thiab streaky coatings; unwashed ntsev kab, thiab lwm yam.
②Sampling rau kev soj ntsuam zoo li qub.
Rau qhov tseem ceeb, qhov tseem ceeb, qhov loj thiab qhov zoo tib yam nrog cov khoom loj ntawm tsawg dua 90 daim, qhov zoo li yuav tsum raug tshuaj xyuas 100%, thiab cov khoom tsis tsim nyog yuav tsum raug cais tawm; rau cov khoom qub uas muaj ntau tshaj li 90 daim, kev kuaj xyuas yuav tsum tau coj mus kuaj, feem ntau yog kuaj qib II, tsim nyog Qib zoo yog 1.5%, thiab kev tshuaj xyuas yog ua raws li ib lub sij hawm sampling txoj kev npaj rau kev soj ntsuam ib txwm. tau teev tseg hauv Table 2-12. Thaum pom cov khoom tsis zoo, nws raug tso cai los tshuaj xyuas cov khoom 100%, tsis lees paub cov khoom lag luam tsis zoo, thiab xa rov qab rau kev tshuaj xyuas.
③Kev tshuaj xyuas qhov tshwm sim thiab kev soj ntsuam zoo.
Kev tshuaj xyuas qhov muag feem ntau yog ua raws li txoj kev pom. Yog tias tsim nyog, nws tuaj yeem raug tshuaj xyuas nrog lub iav tsom iav ntawm 3 mus rau 5 zaug. Thaum lub sij hawm soj ntsuam, siv lub ntuj tawg los yog lub teeb xaim dawb uas tsis muaj lub teeb pom kev zoo, lub teeb pom kev tsis tsawg dua 300 lux, thiab qhov kev ncua deb ntawm ib feem thiab tib neeg lub qhov muag yog 250 hli. Yog tias batch yog 100, tus qauv loj uas tuaj yeem nqa tau yog 32 daim; Los ntawm kev tshuaj xyuas qhov muag ntawm 32 daim no, pom tias ob ntawm lawv muaj cov kab mob blistered thiab scorch marks. Txij li tus naj npawb ntawm cov khoom tsis tsim nyog yog 2, nws tau txiav txim siab tias cov khoom ntawm cov khoom tsis tsim nyog.
Post lub sij hawm: Aug-19-2022