Kev sib tsoo yog ib txoj kev siv ntau tshaj plaws rau kev ua tiav qhov chaw kaw ntawm cov li qub hauv cov txheej txheem tsim khoom. Kev sib tsoo tuaj yeem ua rau qhov chaw kaw ntawm lub li qub tau txais qhov tseeb siab, qhov roughness ntawm cov duab geometric thiab qhov roughness ntawm qhov chaw, tab sis nws tsis tuaj yeem txhim kho qhov tseeb ntawm qhov chaw sib koom ua ke ntawm cov nto ntawm qhov chaw kaw. Qhov tseeb ntawm qhov ntev ntawm qhov chaw kaw ntawm lub li qub hauv av feem ntau yog 0.001 ~ 0.003 hli; qhov tseeb ntawm cov duab geometric (xws li qhov tsis sib xws) yog 0.001 hli; qhov roughness ntawm qhov chaw yog 0.1 ~ 0.008.
Lub hauv paus ntsiab lus ntawm kev sib tsoo nto sealing suav nrog tsib yam: txheej txheem sib tsoo, kev txav sib tsoo, kev sib tsoo ceev, kev sib tsoo siab thiab kev sib tsoo tso cai.
1. Cov txheej txheem sib tsoo
Cov cuab yeej sib tsoo thiab qhov chaw ntawm lub nplhaib sib khi tau sib xyaw ua ke zoo, thiab cov cuab yeej sib tsoo ua rau muaj kev sib tsoo nyuaj raws qhov chaw sib koom ua ke. Cov khoom sib tsoo raug muab tso rau ntawm cov cuab yeej lapping thiab qhov chaw ntawm lub nplhaib sib khi. Thaum cov cuab yeej lapping thiab qhov chaw ntawm lub nplhaib sib khi txav mus rau ib leeg, ib feem ntawm cov noob sib tsoo hauv cov khoom sib tsoo yuav swb lossis dov ntawm cov cuab yeej lapping thiab qhov chaw ntawm lub nplhaib sib khi. txheej hlau. Cov ncov saum npoo ntawm qhov chaw ntawm lub nplhaib sib khi raug zom ua ntej, thiab tom qab ntawd cov duab geometry xav tau maj mam ua tiav.
Kev sib tsoo tsis yog tsuas yog ib qho txheej txheem siv tshuab ntawm cov khoom siv abrasives rau ntawm cov hlau xwb, tab sis kuj yog ib qho kev ua haujlwm tshuaj lom neeg. Cov roj hauv cov khoom siv abrasive tuaj yeem tsim cov zaj duab xis oxide rau ntawm qhov chaw uas yuav tsum tau ua, yog li ua kom cov txheej txheem sib tsoo sai dua.
2 . kev sib tsoo txav
Thaum lub cuab yeej sib tsoo thiab qhov chaw ntawm lub nplhaib sib khi txav mus rau ib leeg, qhov sib npaug ntawm txoj kev sib txhuam ntawm txhua qhov chaw ntawm qhov chaw ntawm lub nplhaib sib khi rau lub cuab yeej sib tsoo yuav tsum zoo ib yam. Tsis tas li ntawd, qhov kev taw qhia ntawm kev txav mus los yuav tsum hloov pauv tas li. Kev hloov pauv tas li ntawm qhov kev taw qhia ntawm kev txav mus los tiv thaiv txhua cov noob abrasive los ntawm kev rov ua dua nws txoj kev taug kev ntawm qhov chaw ntawm lub nplhaib sib khi, kom tsis txhob ua rau muaj cov cim qhia meej thiab ua rau qhov roughness ntawm qhov chaw ntawm lub nplhaib sib khi. Tsis tas li ntawd, kev hloov pauv tas li ntawm qhov kev taw qhia ntawm kev txav mus los tsis tuaj yeem ua rau cov abrasive faib sib npaug ntau dua, yog li cov hlau ntawm qhov chaw ntawm lub nplhaib sib khi tuaj yeem txiav sib npaug ntau dua.
Txawm hais tias qhov kev sib tsoo txav mus los nyuaj thiab qhov kev taw qhia ntawm kev txav mus los hloov pauv ntau heev, qhov kev sib tsoo txav mus los yeej ib txwm ua raws li qhov chaw sib txuas ntawm cov cuab yeej sib tsoo thiab qhov chaw ntawm lub nplhaib sib khi. Txawm hais tias nws yog kev sib tsoo tes lossis kev sib tsoo tshuab, qhov tseeb ntawm cov duab geometric ntawm qhov chaw sib khi feem ntau cuam tshuam los ntawm qhov tseeb ntawm cov duab geometric ntawm cov cuab yeej sib tsoo thiab kev txav mus los.
3. kev sib tsoo ceev
Qhov kev sib tsoo sai dua, qhov kev sib tsoo zoo dua. Qhov kev sib tsoo ceev dua, ntau cov khoom sib txhuam hla dhau ntawm qhov chaw ntawm qhov workpiece ib lub sijhawm, thiab ntau cov hlau raug txiav tawm.
Qhov ceev sib tsoo feem ntau yog 10 ~ 240m / feeb. Rau cov haujlwm ua haujlwm uas xav tau kev sib tsoo siab, qhov ceev sib tsoo feem ntau tsis pub tshaj 30m / feeb. Qhov ceev sib tsoo ntawm qhov chaw sib khi ntawm lub valve muaj feem cuam tshuam nrog cov khoom siv ntawm qhov chaw sib khi. Qhov ceev sib tsoo ntawm qhov chaw sib khi ntawm tooj liab thiab hlau cam khwb cia yog 10 ~ 45m / feeb; qhov chaw sib khi ntawm cov hlau tawv thiab cov hlau tawv yog 25 ~ 80m / feeb; qhov chaw sib khi ntawm cov hlau tsis xeb austenitic 10 ~ 25m / feeb.
4. kev sib tsoo siab
Qhov kev ua haujlwm sib tsoo nce ntxiv nrog rau qhov nce ntawm qhov sib tsoo siab, thiab qhov sib tsoo siab yuav tsum tsis txhob siab dhau, feem ntau yog 0.01-0.4MPa.
Thaum sib tsoo qhov chaw sib khi ntawm cov hlau cam khwb cia, tooj liab thiab austenitic stainless hlau, qhov siab sib tsoo yog 0.1 ~ 0.3MPa; qhov chaw sib khi ntawm cov hlau tawv thiab cov hlau tawv yog 0.15 ~ 0.4MPa. Siv tus nqi loj dua rau kev sib tsoo ntxhib thiab tus nqi me dua rau kev sib tsoo zoo.
5. Kev tso cai sib tsoo
Vim tias kev sib tsoo yog ib qho txheej txheem ua tiav, qhov ntau ntawm kev txiav yog me me heev. Qhov loj ntawm qhov kev tso cai sib tsoo nyob ntawm qhov tseeb ntawm kev ua haujlwm thiab qhov roughness ntawm qhov txheej txheem dhau los. Raws li lub hauv paus ntawm kev ua kom tshem tawm cov cim ntawm cov txheej txheem dhau los thiab kho qhov yuam kev geometric ntawm lub nplhaib sib khi, qhov me dua qhov kev tso cai sib tsoo, qhov zoo dua.
Feem ntau, qhov chaw sib khi yuav tsum tau sib tsoo kom zoo ua ntej sib tsoo. Tom qab sib tsoo zoo, qhov chaw sib khi tuaj yeem raug txhuam ncaj qha, thiab qhov tsawg kawg nkaus ntawm kev sib tsoo yog: qhov kev tso cai ntawm txoj kab uas hla yog 0.008 ~ 0.020 hli; qhov kev tso cai ntawm lub dav hlau yog 0.006 ~ 0.015 hli. Siv tus nqi me me thaum sib tsoo tes lossis qhov nyuaj ntawm cov khoom siv siab, thiab siv tus nqi loj thaum sib tsoo tshuab lossis qhov nyuaj ntawm cov khoom siv qis.
Qhov chaw sib khi ntawm lub cev valve tsis yooj yim rau kev sib tsoo thiab ua tiav, yog li siv tau qhov tig me me. Tom qab ua tiav qhov tig, qhov chaw sib khi yuav tsum tau sib tsoo ua ntej ua tiav, thiab qhov dav hlau tso cai yog 0.012 ~ 0.050 hli.
Tianjin tanggu dej-seal valve Co., ltd tau tshwj xeeb hauv kev tsim khoomresilient zaum npauj npaim valve, lub qhov rooj vag, Y-strainer, lub valve sib npaug, wafer check valve, thiab lwm yam.
Lub sijhawm tshaj tawm: Lub Rau Hli-25-2023
