Yuav Ua Li Cas Xaiv Couplant Rau Ultrasonic Thickness Measurement lossis Flaw Detection?

Nov 11, 2025

Tso lus

Kev siv ntawm Coupplant

Thaum kuaj ultrasonic los yog ntsuas thickness yog nqa tawm, ib txheej ntawm lub suab kis nruab nrab yog thawj zaug siv rau saum npoo ntawm lub workpiece kuaj, uas yog hu ua ib tug coupling tus neeg saib xyuas, kuj hu ua ultrasonic coupling tus neeg saib xyuas, qhuav hmoov coupling tus neeg saib xyuas (diluted siv), kuaj coupling agent, thiab lwm yam. Lub luag haujlwm tseem ceeb ntawm ultrasonic coupling tus neeg saib xyuas yog txhawm rau tshem tawm cov huab cua ntawm qhov kev sojntsuam thiab qhov chaw ntawm qhov ntsuas qhov ua haujlwm, kom ultrasonic tsis tuaj yeem nkag mus rau qhov ntsuas ntsuas tau zoo, ua kom lub suab txaus thiab kev xa mus rau ntawm qhov chaw kuaj kom ua tiav lub hom phiaj ntawm kev kuaj pom. Tsis tas li ntawd, coupling cov neeg ua haujlwm nrog qee qhov fluidity tuaj yeem txo qhov kev sib txhuam, lubricate qhov txav ntawm qhov kev sojntsuam ntawm qhov chaw ua haujlwm thaum lub sijhawm nrhiav kev sib cuag ncaj qha, thiab txuas ntxiv lub neej kev pabcuam ntawm kev sojntsuam.

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Yuav ua li cas xaiv Coupplant kom zoo?

1. Cov xwm txheej saum npoo av

Qhov rougher ntawm qhov chaw ntawm lub workpiece, qhov ntau nyob ntawm qhov kev txiav txim ntawm tus neeg sawv cev sib txuas. Cov kua nplaum sib txuas yog qhov tsim nyog rau qhov chaw kuaj pom zoo dua li cov neeg ua haujlwm sib txuas uas tsis tshua muaj viscosity, vim tias lawv tuaj yeem ua kom zoo dua qhov sib txawv ntawm qhov sib cuam tshuam los ntawm kev nyuaj siab ntawm qhov chaw thiab protrusions.
Tab sis nyob rau hauv ib tug du nto, siab viscosity coupling agents tsis tas yuav tsum tau. Tsawg viscosity coupling cov neeg ua haujlwm feem ntau pab txhawb kev txav tau yooj yim ntawm cov transducers ntawm qhov chaw du lossis machined.

2. Hom khoom siv

Qhov tseem ceeb tshaj plaws uas yuav tsum tau muaj rau ib qho kev sim uas tsis yog -kev puas tsuaj yog tias cov khoom yuav tsis raug hloov pauv ua ntej thiab tom qab kuaj. Qhov ntawd yog hais tias, tus neeg sawv cev sib txuas siv rau kev sim yuav tsis ua rau cov khoom ua haujlwm raug puas tsuaj rau txhua txoj kev.
Tsis zoo li qee cov ntaub ntawv uas feem ntau siv los ua "coupling agents" (xws li siab -cov roj kub, Vaseline, roj cav, plaub hau gel, thiab lwm yam), coupling agents tshwj xeeb tsim los rau kev kuaj ultrasonic tau raug sim los xyuas kom meej tias lawv muaj kev nyab xeeb rau cov ntaub ntawv ua haujlwm.
Qee cov coupling agents muaj qee yam kev tiv thaiv xeb, qee cov coupling agents tuaj yeem siv tau zoo ntawm cov yas thiab iav fibers, thaum lwm tus tau pom zoo siv cov hlau hauv aerospace. Yog li ntawd, ua ntej siv, koj yuav tsum xyuas seb tus coupling tus neeg sawv cev siv yuav siv tau rau cov khoom ntawm lub workpiece kuaj.

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3. Kev ntsuas ntau

Yog tias thaj tsam ntawm qhov chaw ua haujlwm lossis thaj chaw uas yuav tsum tau sim yog qhov loj, tus neeg sawv cev sib txuas uas tuaj yeem sib kis tau tuaj yeem raug xaiv los txo lub sijhawm siv tus neeg sawv cev sib txuas.
Tsis tas li ntawd, kev ua haujlwm ntub dej ntawm tus neeg sawv cev sib txuas kuj tseem ceeb heev. Tus neeg sawv cev sib txuas nrog cov khoom ntub dej zoo tuaj yeem ua kom ntseeg tau tias yuav tsis muaj qhov muag tsis pom kev sib txuas thaum lub sijhawm loj - thaj chaw kuaj ultrasonic.

4.Kev ntsuas ib puag ncig / kub

Rau qis- ntsuas kub ultrasonic, dej- cov neeg ua haujlwm sib txuas tsis yog qhov kev xaiv zoo tshaj plaws. Vim tias qhov ntsuas kub qis dua, lawv yooj yim dua rau khov. Ib qho kev xaiv zoo dua ntawm qhov kub thiab txias yog siv silicon-raws li lossis cawv raws li kev sib txuas.
Cov coupling tus neeg sawv cev siv rau siab - ntsuas kub ultrasonic yog tsim tshwj xeeb los xyuas kom meej tias ib txwm ua haujlwm ntawm qhov kub thiab txias yam tsis muaj combustion lossis ziab. Thaum xaiv high -kub coupling agents, yuav tsum tau them tshwj xeeb mloog mus rau lub ignition point, uas yog tus kheej ignition kub. Tsis txhob siv cov khoom sib txuas saum toj ntawm qhov ntsuas kub ntawm tus kheej.