Yooj Yim Cog Xuab Zeb Ntau Lawm Kab

Yooj Yim Cog Xuab Zeb Ntau Lawm Kab
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Resin bonded sand ntau lawm kab txheej txheem yog qhov tsim nyog rau ib leeg, ib qho me me thiab tiaj tus nruab nrab thiab loj casting hom thiab cov tub ntxhais ntau lawm, yog li nws tau siv dav hauv tshuab cuab yeej, kev ua haujlwm dav dav, kev siv tsheb, kev txua khoom thiab kev lag luam hnyav.
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Resin bonded sand ntau lawm kab txheej txheem yog qhov tsim nyog rau ib leeg, ib qho me me thiab tiaj tus nruab nrab thiab loj casting hom thiab cov tub ntxhais ntau lawm, yog li nws tau siv dav hauv tshuab cuab yeej, kev ua haujlwm dav dav, kev siv tsheb, kev txua khoom thiab kev lag luam hnyav.

Resin sib raug zoo cov xuab zeb ntau lawm kab uas tau ua ntawv thov rau kev tsim ntau lawm tuaj yeem muab faib ua cov kua qaub ua kom cov roj av zoo nkauj av xuab zeb thiab ester-kho tau alkaline phenolic resin xuab zeb raws li txoj kev kho ntawm txoj kev kho.

Hauv cov txheej txheem hais txog tus kheej-tawv tawv xuab zeb txheej txheem, cov kua qaub-ua kom zoo nkauj roj av xuab zeb yog qhov siv ntau tshaj plaws hauv Suav teb, vim cov ntaub ntawv nyoos thiab cov khoom siv thiab cov cuab yeej siv hauv nws tuaj yeem muab cov khoom coj los ua tiav, cov tshuab thev naus laus zis, thiab kev tsim cov kev txuam nrog ntau yam kuj yog qhov ntau. Feem ntau cov neeg tsim khoom siv cov khoom siv xuab zeb siv cov txheej txheem no. Txawm li cas los xij, cov kua qaub-kho cov roj av ua si xuab zeb muaj qhov tsis zoo ntawm cov khoom siv yas thiab muaj cov leej faj nyob hauv tus neeg sawv cev, uas yog lub luag haujlwm ua rau ua rau cov tsis xws li ua haujlwm kub xws li kub tawg ntawm cov hlau casting. Yog li no, cov kua qaub-kho tau Furan nws tus kheej tawv tawv xuab zeb tau siv dav hauv cov hlau cam, thiab cov alkaline phenolic resin xuab zeb muaj ntau daim ntawv thov hauv kev ua cov hlau cam.

Cov txheej txheem furan resin tus kheej-tawv xuab zeb txheej txheem yog qhov tsim nyog rau cam khwb cia hlau, cam khwb cia hlau thiab tsis-ferrous alloy castings. Cov roj av furan ntxiv nyob rau hauv qhov kev txiav txim siab ntawm 0. ntawm 30% rau 50% los ntawm qhov hnyav raws qhov hnyav ntawm lub cob. Kev tsim kho cov xuab zeb qub yog qhov siab, txog li 9 0%.

Alkaline phenolic resin yog qhov tsim nyog rau cam khwb cia hlau, tshwj xeeb tshaj yog steel hlau qhov chaw, ductile hlau qhov chaw thiab cov hlau tsis muaj qhov txhab. Qhov yooj yim phenolic resin tau ntxiv hauv qhov nyiaj ntawm 1. 5% rau 2 .0% los ntawm qhov hnyav ntawm cov xuab zeb qub, thiab tus neeg sawv cev ua kom zoo glycerin acetate ntxiv rau hauv qhov nyiaj ntawm 30% rau 40% los ntawm qhov hnyav ntawm lub cob. Cov xuab zeb cob kab tsis muaj cov ntsiab lus xws li leej faj, phosphorus, thiab nitrogen, uas tuaj yeem txo qhov cuam tshuam ntawm casting. Txawm li cas los xij, tus nqi ntawm cov roj av ntxiv ntxiv kuj muaj ntau, thiab tus nqi ntawm kev tsim kho tshiab ntawm cov xuab zeb qub yog qhov tsawg.


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Cim npe nrov: resin sib raug zoo xuab zeb ntau lawm kab, Tuam Tshoj, tuam ntxhab, lwm tus muag khoom, nqe, rau kev muag khoom

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