Dab tsi yog Potting Khoom rau Cov Khoom Siv Hluav Taws Xob

Potting compound Nws yog ib qho tseem ceeb rau kev tiv thaiv cov khoom me me thiab lub luag haujlwm tseem ceeb hauv hluav taws xob los ntawm kev phom sij. Txawm tias qhov nyuaj tshaj plaws ntawm kev tshawb nrhiav qhov xwm txheej, nws muaj kev tiv thaiv ntau yam - tsis yog los ntawm kev txhawb zog ntawm cov neeg kho tshuab, tab sis kuj los ntawm kev nthuav tawm hluav taws xob rwb thaiv tsev.

Los ntawm cov neeg siv khoom siv hluav taws xob mus rau aerospace, automotive, thiab lwm lub tuam txhab uas muaj cov khoom siv hluav taws xob zoo tshaj plaws, cov khoom siv hluav taws xob muaj nyob txhua qhov chaw!

Dab tsi yog Potting Khoom rau Cov Khoom Siv Hluav Taws Xob?

Puas tau qhib lub tshuab hluav taws xob tsuas yog nrhiav tau tag nrho lub rooj tsavxwm lossis cov casing tag nrho hauv qee hom tawv epoxy? Yog lawm, qhov ntawd yog qhov hluav taws xob potting compound yog - cov nplaum nplaum siv los ntim cov khoom siv hluav taws xob thiab tiv thaiv lawv los ntawm txhua qhov chaw uas lawv yuav xaus rau hauv.

Nyob ntawm lub hom phiaj lossis xav tau kev tiv thaiv, muaj ntau yam sib xyaw muaj nrog cov khoom sib txawv me ntsis. Yog li, thaum nws yog lub sijhawm los tuav koj cov cuab yeej thev naus laus zis tawm tsam Niam Xwm - hluav taws xob potting tebchaw tau txais koj them!

 

Ntau yam ntawm Potting Khoom siv hluav taws xob Cheebtsam

Kev tiv thaiv yog qhov tseem ceeb, uas ua rau potting compounds tseem ceeb - thiab lawv cov ntaub ntawv nyob ntawm seb dab tsi yog kev tiv thaiv. Siv urethane (los yog polyurethane) piv txwv li: cov me nyuam mos hauv hluav taws xob tuaj yeem siv tau cov cua sov, skyrocketing mus txog 120 ° C. Yog vim li cas lawv thiaj li zoo meej rau cov khoom siv hluav taws xob zoo tshaj plaws lossis cov khoom siv hluav taws xob sab nraum zoov uas ntsib huab cua huab cua.

Nyob rau sab ntxeev, silicone hluav taws xob potting tebchaw tuaj yeem ua ke los tiv thaiv lub teeb ntawm ultraviolet rays thiab ua kom lawv cov xim zoo nkauj. Tab sis koj yuav tsum paub tseeb tias koj tau txais qhov zoo - qee qhov ua kom sov thaum kho thiab tuaj yeem ua rau muaj kev phom sij rau qee yam ICs, tsis txhob hais tias thaum nws nyob ntawd, tsis muaj rov qab los.

 

Dab tsi yog Kev Siv Cov Khoom Siv Potting?

Raws li kuv tau hais yav dhau los, cov potting compound tsim kom muaj kev nyab xeeb rau cov khoom siv hluav taws xob, ua rau lawv hloov pauv huab cua thaum tseem muaj kev tiv thaiv los ntawm kev puas tsuaj ib puag ncig xws li cua sov thiab corrosion. Ntxiv mus, nws tuaj yeem ntxiv qee lub sijhawm ntxiv rau ntawm cov khoom txee lub neej!

Transformers yog txoj hauv kev mus yog tias koj tab tom nrhiav rau hluav taws xob potting compound raws li lawv tau txais qee qhov yooj yim zoo nkauj; lawv cov qib cua sov thiab rwb thaiv tsev ntxiv los ntawm cov hlau nplaum thiab hluav taws xob ua rau lawv daim ntawv thov kev ntseeg tau ntau dua. Ntxiv rau, nrog cov ntawv qhwv ntawv uas koj tau txais, koj tsis tas yuav txhawj xeeb txog tej yam tsis raug!

 

Dab tsi yog Chemistry ntawm Potting Materials?

Tsis muaj qhov tsis ntseeg, hluav taws xob potting tuaj nyob rau hauv peb hom loj: epoxy resins, silicones thiab urethane-based (polyurethanes lossis PU). Txhua hom potting muaj nws cov kev siv tshwj xeeb thiab cov txiaj ntsig. Tab sis ua ntej nkag mus rau hauv qhov tshwj xeeb ntawm txhua qhov sib xyaw, muaj ib yam uas yuav tsum nco ntsoov - cov tshuaj no yog tsim los ntawm cov tshuaj muaj zog uas tuaj yeem ua rau lub sijhawm ntev thiab cov xwm txheej hnyav.

Yog li, nws yuav tsum tuaj raws li tsis muaj surprise tias tuav lawv yuav tsum tau tshwj xeeb apparatus thiab tswj chaw - tshwj xeeb tshaj yog thaum nws los txog rau resin curing txheej txheem uas tsim byproducts xws li cov pa pa!

 

Cov ntsiab lus ntawm PCB Potting Process

Nws yog ib qho tseem ceeb rau kev ua tiav cov potting ntawm PCBs rau tsev lub rooj tsavxwm hauv ib qho casing, hu ua 'potting box'. Txhua yam koj yuav tsum tau ua yog sau nws nrog cov khoom siv hluav taws xob kom txog thaum nws ua tau raws li qib yuav tsum tau ua.

Lub sijhawm kho tuaj yeem siv sijhawm tsawg li feeb (nyob ntawm cov ntaub ntawv hauv paus) kom txog thaum cov khoom sib xyaw ua ke, tiv thaiv koj cov ntaub ntawv thiab PCB innately. Ib qho txiaj ntsig zoo dua siv feem ntau yog cov yas uas tsis yog epoxy reactive: ceev thiab yooj yim rau nruab.

 

Yuav ua li cas Potting txawv ntawm Encapsulation?

Potting tsis tas yuav tsum yog tus txheej txheem uas PCB tau them tag nrho - rau qee qhov haujlwm, potting tuaj yeem tshwj xeeb los nchuav cov khoom tshwj xeeb; uas yog hu ua PCB encapsulation.

Nco ntsoov tias thaum nws los txog rau "potting" - xav tias nws muaj ob qho xwm txheej nyob ib puag ncig ib puag ncig nrog cov khoom sib txuas uas tsis tau muab sib cais. Encapsulation yuav siv lub tswv yim no ib kauj ruam ntxiv, ua kom tshem tawm cov resin / board lub cev los ntawm nws lub thawv tom qab.

 

Dab tsi yog Qhov Zoo Tshaj Plaws Cov Khoom Siv Rau Cov Khoom Siv Hluav Taws Xob?

Nyob ntawm seb muaj pes tsawg leeg ntawm potting compound, nws daim ntawv thov thiab kev siv yuav txawv - raws li peb twb tau tham. Epoxy resins yog qhov zoo rau SMT daim ntawv thov vim lawv cov tshuaj tiv thaiv zoo heev thiab ua rau kub kub.

Tham txog PU potting tebchaw, lawv yog qhov tiag tiag thaum nws los txog rau qhov kub siab thiab thermal cycling. Raws li rau silicone compounds, lawv tsis dhau shabby ib yam - zoo lub teeb endurance zog thiab tseem txhim khu kev qha nyob rau hauv kub-txias fluctuations.

 

Dab tsi yog Lub Sij Hawm Ntawm Cov Khoom Siv Potting?

Qhov kub thiab txias tuaj yeem yog qhov kev ntsuas nruj rau txhua qhov sib xyaw ua ke ntawm cov khoom siv ua haujlwm ntev - mos lossis silicone resins yuav tuav tau zoo dua nyob rau lub sij hawm thermal mus ntev, tab sis cov epoxy-raws li cov resins yuav kav yuav luag tag lub neej!

Peb tab tom tham txog 1500 lub voj voog ntawm qhov kub hloov pauv loj yam tsis tau poob lawv lub zog - uas tau yooj yim txhais ua ntau xyoo ntawm kev siv tau hauv thaj teb.

 

Kev kho ntawm Potting yuav siv sij hawm ntev npaum li cas?

Nyob ntawm seb hom resin siv, lub sijhawm kho tuaj yeem muaj li ntawm kaum mus rau peb caug vib nas this rau UV-raws li resins mus txog kaum tsib feeb rau epoxy potting compounds. Nco ntsoov txawm hais tias qee qhov sib xyaw ua ke tuaj yeem tso tawm cov pa phem thiab tsim kom muaj cua sov thaum lub sijhawm txheej txheem no - yog vim li cas nws tseem ceeb heev uas yuav tsum tau ceev faj txog kev nyab xeeb thiab tsim kev xav rau hauv tus account ua ntej siv.

Tsis txhob hnov ​​​​qab tias qhov kev npaj koj xaiv potting compound kom zoo yog qhov tseem ceeb; koj tsuas yog xav tau kev sib xyaw ua ke ntawm cov khoom siv nrog cov khoom siv kom haum thiab kev siv qhov kub thiab txias.

 

Puas muaj peev xwm tshem tawm cov khoom siv potting?

Depotting, los yog tshem tawm ib qho kev tiv thaiv potting compound, tuaj yeem sib txawv heev nyob ntawm cov khoom siv hauv paus. Piv txwv li, nrog cov tawv tawv tawv, siv acetone thiab cua sov tuaj yeem yaj qhov chaw ntawm nws - yog tias nws tseem tsis tau kho.

Txawm li cas los xij, yog tias qhov no tsis yog ib qho kev xaiv vim yog cov resin twb hardened, lub cev quab yuam yuav siv tau (tab sis peb tsis xav kom koj sim!). Qhov thib ob muaj cov tshuaj txaus ntshai uas yuav ua haujlwm rau depotting. Tshwj tsis yog ua tiav hauv ib qho chaw tsim nyog txawm li cas los xij cov khoom siv phom sij no yuav ua rau ob qho khoom siv hluav taws xob thiab koj tus kheej muaj kev pheej hmoo yog li nyob deb!

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Nyob rau hauv lub ntiaj teb niaj hnub no, cov khoom siv hluav taws xob yog txhua qhov chaw, ua kev txhim kho loj rau tib neeg lub neej nyob rau hauv daim ntawv ntawm cov khoom siv me me thiab cov khoom siv hluav taws xob loj dua. Txhawm rau ua kom cov khoom muag no muaj kev nyab xeeb los ntawm lawv qhov chaw hloov pauv - los ntawm cov tshuaj corrosive thiab plua plav mus rau qhov kub thiab txias thiab kev vibrations - potting compounds yog qhov tseem ceeb.

 

Yog xav paub ntxiv txog daim ntawv qhia ua tiav rau Potting Khoom siv rau cov khoom siv hluav taws xob, koj tuaj yeem them mus ntsib Deepmaterial ntawm https://www.adhesivesmanufacturer.com/ yog xav paub ntau info.