Txheej Thickness Gauge Eddy Current Principple
Eddy tam sim no thickness ntsuas yog tsuas yog siv rau kev ntsuas ntawm ntau yam non-metallic txheej txheej ntawm hlau substrates. Kev siv ntau zaus hloov tam sim no hauv lub kauj raws li kev sojntsuam los tsim ib qho chaw electromagnetic, qhov kev sojntsuam yog nyob ze rau lub cev hlau conductive, tsim cov eddy tam sim no hauv cov khoom siv hlau, thiab nrog qhov kev ncua deb ntawm lub cev hlau yuav txo thiab nce, qhov eddy tam sim no yuav cuam tshuam rau cov sib nqus flux ntawm kev sojntsuam coil, yog li tus nqi ntawm qhov kev tawm tswv yim no tau qhia nyob rau hauv qhov loj ntawm qhov kev ncua deb ntawm qhov kev sojntsuam thiab lub hauv paus hlau ntawm tus nqi ntau, vim qhov kev sojntsuam yog siv los ntsuas qhov thickness ntawm cladding txheej nyob rau hauv ib tug uas tsis yog-ferromagnetic hlau matrix, yog li feem ntau peb hu lub sojntsuam raws li ib tug uas tsis yog-magnetic sojntsuam. Qhov no yog vim li cas peb feem ntau xa mus rau qhov kev sojntsuam no ua qhov kev sojntsuam tsis sib nqus. Cov kev sojntsuam tsis sib nqus feem ntau siv cov khoom siv siab, cov ntaub ntawv permeable heev rau cov tub ntxhais ntawm lub kauj, feem ntau yog ua los ntawm platinum-nickel alloys thiab lwm yam ntaub ntawv tshiab. Kev sib piv nrog cov kev ntsuas sib nqus, lawv lub hauv paus ntsiab lus hluav taws xob yog tib yam, qhov sib txawv tseem ceeb yog qhov kev sojntsuam sib txawv, qhov zaus ntawm qhov ntsuas tam sim no txawv, lub teeb liab loj, kev sib raug zoo sib txawv. Nyob rau hauv lub thickness gauge, los ntawm kev txhim kho txuas ntxiv ntawm cov qauv sojntsuam, nrog rau kev siv tshuab microcomputer, los ntawm kev cia li txheeb xyuas cov kev sojntsuam sib txawv los hu rau cov txheej txheem tswj sib txawv, raws li, cov zis ntawm cov ntsuas sib txawv thiab hloov cov nplai ntawm cov software hloov pauv, thaum kawg ua ob. ntau hom kev sojntsuam txuas nrog tib lub thickness gauge, txo lub nra ntawm tus neeg siv, raws li tib lub tswv yim, tuaj yeem haum nrog txog 10 hom sab taub hau ntawm lub thickness gauge zoo heev nthuav cov thickness ntsuas (txog 100. ,000 zaug lossis ntau dua), tuaj yeem siv los ntsuas qhov tuab ntawm kev sojntsuam, tuab ntawm kev sojntsuam, tuab ntawm kev sojntsuam, thickness ntawm kev sojntsuam, thickness ntawm kev sojntsuam, thickness ntawm qhov kev sojntsuam. kev sojntsuam, thiab lub thickness ntawm kev sojntsuam. Txog li ntau tshaj 100,{12}} zaug), tuaj yeem ntsuas, suav nrog cov khoom siv hlau nplaum uas tsis yog siv rau ntawm qhov chaw sib nqus, cov khoom siv tsis zoo ntawm cov khoom siv tsis yog cov khoom siv hluav taws xob thiab cov khoom tsis muaj hluav taws xob ntawm cov khoom siv hluav taws xob. txheej, yeej ua tau raws li kev lag luam ntau lawm ntawm feem ntau ntawm kev lag luam xav tau.
Siv eddy tam sim no lub hauv paus ntsiab lus ntawm thickness gauge, nyob rau hauv lub hauv paus ntsiab lus, tag nrho cov conductive lub cev ntawm lub non-conductive lub cev cladding yuav ntsuas, xws li aerospace aircraft nto, tsheb, khoom siv hauv tsev, aluminium alloy qhov rais thiab qhov rooj thiab lwm yam khoom txhuas nyob rau saum npoo ntawm lub xim, yas coatings thiab anodic oxidation zaj duab xis. Qee daim ntawv thov tshwj xeeb xws li pob zeb diamond plating ntawm qee cov hlau thiab lwm yam tsis yog cov tshuaj tsuag plating txheej. Cladding cov ntaub ntawv tseem tuaj yeem muaj qee qhov kev coj ua, los ntawm kev ntsuas ntawm tib yam kuj tuaj yeem ntsuas tau, tab sis cov conductivity ntawm ob qhov kev xav tau ntawm qhov sib piv tsawg kawg yog 3 mus rau 5 npaug ntau dua qhov sib txawv (xws li chrome plating ntawm tooj liab. ).
