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Cov yam ntxwv ntawm Cov Khoom Sib Ntsib Hlau

Source:Luoyang mingzhen bearings steel npas Co., Ltd | Updated: Aug 08, 2017

Casting Steel Ball.jpg

Lub pob zeb hlau cam yog tsim los ntawm casting. Nws feem ntau yog siv hauv cov cement nroj tsuag, fais fab nroj tsuag, tshuaj nroj tsuag, quartz xuab fai fab, silica xuab fai fab thiab lwm yam.

Lub pob zeb cam khwb cia tau muab faib ua peb pawg vim qhov sib txawv chromium ntsiab lus: siab chrome hlau pob, nruab nrab chrome hlau pob thiab tsawg chrome hlau pob. Txawm li cas los xij, vim tias qhov sib txawv hauv chromium ntsiab lus ntawm pob zeb pob zeb, lawv cov yam ntxwv tsis zoo li qub. Txhua daim ntawm pob zeb pob zeb yog piav raws li hauv qab no:

1. Cov yas chrome hlau npas 'qhov ntsuas zoo

Cov ntsiab lus ntawm chromium lub pob zeb siab yog ntau dua los yog sib npaug li 10.0%. Cov ntsiab lus carbon yog nruab nrab ntawm 1.80% thiab 3.20%. Raws li lub teb chaws cov qauv, qhov nyuaj ntawm lub siab pob chromium hlau yuav tsum tsis pub tsawg dua 58HRC thiab qhov feem nqis yuav tsum ntau dua los yog sib npaug rau 3.0j / cm2. Ua kom tiav qhov kev ua siab tawv, lub siab pob zeb yuav tsum siv kub quenching thiab tempering. Tam sim no, muaj ob txoj hauv kev sib tw ntawm cov yas chrome hlau nyob hauv tsev, nrog rau cov roj quenching thiab cua quenching. Yog hais tias qhov kev sib tw ntawm lub chrome pob yog tsawg dua 54HRC, nws txhais tau hais tias nws tsis tau tso tawm.  

2. Nruab nrab chrome hlau npas qhov ntsuas qhov zoo

Cov chromium ntsiab lus ntawm lub nruab nrab chrome hlau pob ranges ntawm 3.0% mus rau 7.0% thiab cov ntsiab lus carbon yog nruab nrab ntawm 1.80% thiab 3.20%. Nws cov nqi yuav tsum tsis txhob muaj tsawg tshaj li 2.0j / cm2. Kev cai hauv lub teb chaws yuav tsum muaj qhov nyuaj ntawm lub nruab nrab chrome pob yuav tsum ntau dua lossis sib npaug zos rau 47HRC. Txhawm rau kom zoo, lub nruab nrab chrome hlau pob yuav tsum kub kub tempering kom tshem tawm casting kev nyuab siab. Yog hais tias qhov saum npoo ntawm pob hlau yog xim dub thiab xim liab, nws yog pov thawj tias lub pob zeb yog kho los ntawm kev kub siab txias. Yog hais tias cov nplaim ntawm pob hlau tseem muaj xim muaj xim, peb tuaj yeem txiav txim rau lub pob hlau tsis raug kho.

3. Tsawg chrome hlau npas qhov ntsuas tau zoo

Feem ntau, chromium cov ntsiab lus ntawm lub pob zeb uas tsis tshua muaj pes tsawg ntawm 0.5% mus rau 2.5% thiab cov ntsiab lus ntawm cov pa nruab nrab yog 1.80% thiab 3.20%. Yog li, raws li lub teb chaws tus qauv, lub hardness ntawm lub tsawg pob chrome hlau pob yuav tsum tsis pub tsawg dua 45HRC thiab qhov nqis tus nqi yuav tsum tsis pub tsawg tshaj 1.5j / cm2. Qhov tsawg chrome hlau pob kuj xav tau kub kub kom zoo. Qhov kev kho no yuav tshem tawm txoj kev ntxhov siab. Yog hais tias qhov npoo ntawm pob hlau yog qhov tob, nws muaj pov thawj tias lub pob zeb yog kho los ntawm kev kub siab txias. Yog hais tias cov nplaim ntawm pob hlau tseem muaj xim muaj xim, peb tuaj yeem txiav txim rau lub pob hlau tsis raug kho.


Kev nug

Yog koj muaj kev enquiry txog hais los yog kev koom tes, thov cuag email rau peb ntawm info@mzsteelball.com los sis siv daim enquiry hauv qab no. Peb muag tus neeg sawv cev yuav tiv tauj koj li ntawm 24 teev. Ua tsaug rau koj cov nyiaj hauv cov khoom peb.

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