VCR connector, raws li qhov tseem ceeb ntawm kev sib txuas ntawm cov khoom siv hauv lub tshuab nqus tsev thiab siab -purity kua tshuab, nws cov kev teeb tsa zoo cuam tshuam ncaj qha rau lub kaw lus sealing kev ua tau zoo, ruaj khov thiab kev pabcuam lub neej. Raws li kev lag luam tso cai cov kev qhia tshwj xeeb thiab kev ua haujlwm engineering, kab lus no tau txheeb xyuas cov txheej txheem kev teeb tsa, cov ntsiab lus tseem ceeb thiab kev tswj xyuas zoo ntawm VCR connector, muab cov qauv kev qhia ua haujlwm rau cov kws tshaj lij engineering hauv cov haujlwm xws li semiconductors, biopharmaceuticals, thiab siab -zog physics.
I. Cov yam ntxwv thiab kev ua haujlwm ntawm VCR Connector
Lub VCR sib koom ua ke (Nqus Coupling Radius Seal) ntiav cov hlau gasket ntsej muag sealing tshuab. Los ntawm kev sib cuam tshuam ntawm cov xov sab hauv thiab sab nraud, nws nias cov hlau gasket kom dhau los ntawm cov yas deformation, ua rau cov pa xau - hlau dawb - mus rau - hlau foob. Nws cov txiaj ntsig tseem ceeb yog raws li hauv qab no:
1. Kev sealing zoo heev:Nws tuaj yeem ua tiav xoom xau nyob rau hauv thaj tsam ntawm lub tshuab nqus tsev mus rau qhov siab siab, nrog rau tus nqi xau qis dua 1 × 10⁻¹¹ Pa·m³ / s
2. Dav qhov kub thiab txias:Kev ua haujlwm kub npog -200℃txog 600 degree, haum rau huab cua txias.
3. Reusable thiab detachable:Siv lub tshuab hluav taws xob hloov tau hlau gasket tsim, nws ua rau ntau qhov kev sib cais tsis muaj kev cuam tshuam rau kev sib khi ua haujlwm.
4. Kev huv huv siab:Cov Cheebtsam undergo electro- polishing thiab tu txheej txheem, nrog ib tug deg roughness ntawm Ra ≤ 0.2 μm, ua tau raws li CLASS 1 huv huv cov kev cai ntawm lub semiconductor kev lag luam.
II. Ua ntej - Kev Npaj Kev Npaj thiab Kev Qhia Txog Cov Khoom Siv
2.1 Cov Txheej Txheem Kev Ntsuam Xyuas Kev Ncaj Ncees:
VCR connector tivthaiv muaj xws li: connector lub cev (Gland):muab faib ua hom ntev (Long Tube) thiab hom luv (Short Tube);
Sab hauv thiab sab nraud threaded txiv ntseej (Txiv neej / Poj niam txiv ntoo):yuav tsum paub qhov txawv ntawm metric (piv txwv li . 8mm) thiab imperial (eg. 1/4") specifications;
Hlau Gasket (Gasket):muab faib ua claw-type (Retained) thiab non-claw-type (Nonretained); cov ntaub ntawv muaj xws li 316L stainless hlau, npib tsib xee-raws li alloys (xws li C-276), tooj liab alloys, thiab lwm yam.; Qhov sib txuam ntawm cov yeeb nkab txoj kab uas hla, phab ntsa thickness thiab cov khoom yuav tsum tau lees paub.
2.2 Cov cuab yeej thiab kev npaj ib puag ncig:
Cov cuab yeej tshwj xeeb:Muab ob npaug rau- tas qhov ciaj ntswj (qhov qhib qhov loj yuav tsum phim lub taub hau hexagonal ntawm cov txiv ntseej), torque limiting wrench (qhov tseeb ± 3%)
Cov khoom siv tshuaj ntsuam xyuas:Nqus helium huab hwm coj spectrometry leak detector (rhiab heev ≥ 1 × 10⁻¹² Pa·m³ / s), siab ntsuas twj tso kua mis (0-10MPa)
ib puag ncig xav tau:Kev huv huv saum CLASS 10000, kub 15-25 degree, av noo ≤ 60%, tiv thaiv tus kheej: plua plav-dawb puv lub cev, hnab looj tes nitrile, tsom iav
III. Standardized Installation txheej txheem
3.1
Pipeline ua ntej-kev kho mob txiav thiab flange:Siv lub tshuab txiav yeeb nkab tshwj xeeb rau kev txiav txias kom ntseeg tau tias lub ntsej muag kawg perpendicularity ≤ 0.5 °, tsis muaj burrs,
oxidation txheej kev ntxhov siab nyem kev kho mob:Ua annealing kev kho mob nyob rau hauv ib tug 100 hli ntau yam ntawm lub vuam cheeb tsam kom tshem tawm cov neeg kho tshuab kev nyuaj siab.
Kev kuaj xyuas huv:Siv trichlorethylene ultrasonic tu (ntau zaus 40kHz, lub sijhawm 15min), ua raws li tshuab thiab ziab nrog siab -purity nitrogen gas (9N qib).
3.2
Cov khoom sib dhos:Ua ntej-nruab cov xov xov sab nraud rau ntawm cov yeeb nkab kawg kom tau welded, kom ntseeg tau tias qhov pib kawg ntawm cov xov yog ≥ 5mm deb ntawm cov yeeb nkab kawg.
Vuam txheej txheem:Tsis siv neeg khiav welding (pom zoo): Siv pulsed TIG vuam, nrog argon purity ≥ 99.999%, rov qab tiv thaiv roj ntws tus nqi 8-10L / min.
Cov ntsiab lus tseem ceeb:Tam sim no 80-120A, vuam ceev 150-200mm / min, interlayer kub ≤ 150 degree.
Gasket installation:Nrog claw gasket: Ntxig rau hauv qhov sib khi ntawm lub cev sib koom ua ke kom ntseeg tau tias cov claws tau ntim tag nrho. Tsis muaj claw gasket: Muab tso ncaj nraim rau ntawm qhov chaw sib khi ntawm cov txiv ntoo sab hauv, tsis txhob tilting lossis folding.
3.3
Alignment thiab locking pib positioning:Manually ntsia hlau sab nraud thiab sab hauv xov txiv ntseej ua ke kom txog thaum lawv sib cuag.
Sau lub kaum sab xis pib thiab tswj torque:Stainless hlau / npib tsib xee-raws li gasket: zaum kawg locking torque 15-20N·m (xws li kev sib hloov 1/8 lub voj voog).
Copper alloy gasket:Xauv qhov kawg torque 10-15N·m (xws li kev sib hloov 1/4 lub voj voog). Daim ntawv pov thawj: Siv cov cwj mem tsis muaj plua plav los kos ib txoj kab ncaj nraim ntawm lub taub hau hexagonal ntawm cov txiv ntoo kom ntseeg tau tias lub kaum sab xis tig ua raws li qhov tshwj xeeb.
IV. Cov ntsiab lus tseem ceeb rau kev txhim kho kev tswj kom zoo
4.1
Visual tshuaj xyuas ntawm cov txheej txheem:Paub meej tias lub gasket tsis yog offset, cov xov ntsia hlau tsis muaj kev puas tsuaj, thiab cov vuam sib txuas tsis muaj qhov cua lossis qhov tawg.
Kev txheeb xyuas:Siv lub protractor los ntsuas lub kaum sab xis, nrog rau kev sib txawv ntawm ± 5 °.
Kev ntsuam xyuas dej:
Kev ntsuas siab zoo:5 bar helium roj, tswj lub siab rau 30 feeb, thiab lub siab poob yuav tsum yog ≤ 0.5%.
Vacuum test:Suction rau 1 × 10⁻⁶ Pa, thiab kev nyeem ntawv ntawm helium mass spectrometer yuav tsum yog ≤ 1 × 10⁻¹⁰ Pa·m³ / s.
4.2
Kev soj ntsuam ntawm Kev Tsis Txaus Siab
1. Yam tsis xws luag:Gasket leakage
Qhov laj thawj:Lub kaum sab xis installation tsis txaus / Gasket puas
Kev daws:Reinstall thiab hloov lub gasket
2. Yam Tsis Zoo: Xov xauv
Qhov laj thawj:Vuam thermal influence / Tsis txaus lubrication
Kev daws:Txias rau 24 teev tom qab vuam, siv MoS₂ roj nplua nyeem
3. Hom tsis xws luag:Vuam tawg
Qhov laj thawj:Tshaj kub ntawm interlayer / Tsis txaus purity ntawm shielding roj
Kev daws:nruj me ntsis tswj vuam tsis, siv 5N qib argon roj
V. Installation Specifications rau cov xwm txheej tshwj xeeb
5.1 For high-temperature systems (>400℃), npib tsib xee-raws li alloy gaskets (xws li Inconel 625) raug xaiv. Graphite qhwv gaskets yog siv los ua cov ntsaws ruaj ruaj. Tom qab vuam, kev kho cov tshuaj (tuav ntawm 1050℃rau 1 teev, dej quenching) yog ua.
5.2 Nyob rau hauv ib puag ncig kev co, tiv thaiv -cov khoom siv xoob xoob (xws li ob lub txiv ntseej, lub caij nplooj ntoos hlav ntxhua) raug teeb tsa. Flexible yeeb nkab seem yog siv los cais qhov kev vibration. Tsis tu ncua torque rechecks yog ua (txhua 3 lub hlis).
5.3 Rau biopharmaceutical system, ASME BPE tus qauv yog siv rau kev kho mob saum npoo. Electrolytic polishing txheej txheem (nto roughness Ra ≤ 0.08 μm) yog siv. Tom qab kev teeb tsa, kev ntxuav hauv online thiab ua kom tsis muaj menyuam los ntawm CIP / SIP tau ua tiav.
VI. Cov Txheej Txheem Txhim Kho thiab Rov Siv Dua
Cov gasket tshiab yuav tsum tau hloov txhua lub sij hawm lawv disassembled thiab ntsia. Reuse ntawm threads yog txwv tsis pub. Kev kho xov: Siv cov khoom siv kho xov (xws li Helicoil) los tuav cov xov xov. Kev cia khoom: Cov khoom xyaw yuav tsum tau khaws cia rau hauv qhov chaw qhuav nitrogen nrog cov av noo ntawm ≤ 30%. Kev ntsuas lub neej: Nws raug nquahu kom ua qhov kev ntsuam xyuas metallographic txhua 5 xyoos los ntsuas qhov kev sib txuam ntawm kev sib txhuam.
VII. Daim Ntawv Thov Kev Lag Luam
Nyob rau hauv kev tsim kho ntawm 12-nti wafer Hoobkas, lub tshuab xa hluav taws xob tshwj xeeb tsim los siv VCR cov pob qij txha ua tiav: Tus nqi ntws tawm: < 1 × 10⁻⁹ Pa·m³ / s Kev Txhim Kho Kev Ua Haujlwm: Lub sij hawm txhim kho rau ib qho kev sib koom ua ke ≤ 8 feeb Tus nqi tu: Txo los ntawm 65% piv rau cov kev sib txuas ib txwm siv.
Xaus:
Kev txhim kho meej ntawm VCR pob qij txha yog qhov txuas tseem ceeb hauv kev ua kom ntseeg tau qhov system. Los ntawm kev ua raws li cov txheej txheem kev cai nruj me ntsis, siv tag nrho - txheej txheem kev tswj kom zoo, thiab kev sib txuas cov cuab yeej tshawb pom siab, kev sib txuas zoo tuaj yeem txhim kho tau zoo, thiab lub neej ntev tuaj yeem txuas ntxiv. Raws li cov txheej txheem semiconductor tau nce mus rau 3nm nodes, cov txheej txheem kev teeb tsa raug rau VCR pob qij txha yuav nce ntxiv. Cov kws tshaj lij engineering yuav tsum tau ua kom zoo dua cov txheej txheem tsis tu ncua los txhawb kev txhim kho kev sib txuas thev naus laus zis mus rau qib siab dua.
