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Sep 18, 2021

Kev kub siab mechanical seal yuav tsum

1. Ua kom qhov chaw hla ntawm cov khoom sib khi

Qhov seem ntawm qhov sib hloov yuav tsum tau loj, thiab lub nplhaib zoo li qub yuav tsum muaj qhov loj dua. Tsis txhob muaj cov kauj ruam lossis grooves ntawm sab nraud ntawm lub nplhaib zoo li qub. Txawm li cas los xij, nws yuav tsum tau muab sau tseg tias raws li qhov dav b ntawm lub sealing nto nce, thermal deformation thiab hnav kuj yuav cuam tshuam. Nrog rau qhov kev nce no, lub thickness ntawm lub qog yuav tsum tau nce ntxiv kom tsis txhob deformation thiab tuaj yeem tiv taus siab. Siv cov khoom hnyav hnyav thiab siv cov kab kab loj dua kom haum rau qhov pib lub zog loj dua.

2. Txhim kho kev ua haujlwm raug ntawm cov khoom sib khi

(1) Lub qhov nto ntawm lub nplhaib zoo li qub nyob rau hauv qab ntawm lub caj pas yuav tsum ua kom lub siab flatness, vim hais tias nyob rau hauv kev kub siab, txhua qhov chaw siab ntawm qhov chaw yuav raug xa mus rau lub nplhaib zoo li qub thiab ua rau kom tawg;

(2) Txhim kho qhov tseeb machining ntawm lub puab thiab sab nraud txoj kab uas hla thiab dav ntawm lub sealing nto, vim hais tias nyob rau hauv kev kub siab, qhov tseeb ntawm lub puab thiab sab nraud txoj kab uas hla thiab dav ntawm lub foob muaj ib tug tseem ceeb cuam tshuam rau kev hloov ntawm lub siab. Lub roughness ntawm lub sealing kawg nto tom qab sib tsoo thiab polishing yog Ra0.05 ~ 0.025 (▽12 ~ ▽13), lub flatness yog txwv rau 1 lub teeb band. Tsis tas li ntawd, qhov verticality ntawm kev sib txhuam qhov kawg ntawm qhov chaw thiab qhov tseeb ntawm cov ncej yuav tsum tau txhim kho kom haum.


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