Sandblasting yog ib txoj haujlwm uas siv cov cua compressed ua lub zog los thawb cov abrasives rau saum npoo ntawm lub workpiece rau kev ua haujlwm.Qhov no yog qhov hu ua sandblasting, uas yog qhov peb feem ntau hu ua tua blasting.Vim hais tias nyob rau hauv thaum ntxov hnub ntawm kev txhaj tshuaj blasting, xuab zeb yog tib tug abrasive uas yuav siv tau, yog li ntawd txhaj blasting yog hu ua xuab zeb blasting nyob rau hauv lub sij hawm ntawd thiab ntev tom qab ntawd.Sandblasting tuaj yeem ua rau saum npoo yuav tsum tau ntxuav kom huv si thiab qee qhov roughness, thiab txhim kho qhov adhesion ntawm txheej ntawm lub hauv paus nto.Txawm hais tias cov txheej txheem zoo npaum li cas, nws tsis tuaj yeem txuas rau saum npoo ntawm lub workpiece yam tsis muaj kev kho deg mus ntev.Lub hom phiaj ntawm kev kho deg yog los ntxuav qhov chaw thiab tsim cov roughness yuav tsum tau "lock" txheej ntawm qhov chaw.Tom qab lub npoo ntawm sandblasted workpiece yog coated nrog ib tug zoo-kev ua hauj lwm txheej txheej, lub neej kev pab cuam ntawm lub txheej yog 3.5 lub sij hawm ntev tshaj li lub neej kev pab cuam ntawm tib zoo txheej rau saum npoo kho los ntawm lwm txoj kev.Lwm qhov zoo ntawm sandblasting (steev blasting) yog qhov roughness ntawm qhov chaw tuaj yeem raug txiav txim siab raws li qhov yuav tsum tau ua thiab tuaj yeem ua tiav thaum lub sijhawm ntxuav.
Frosting yog, piv txwv li, txheej txheem uas aiav fwj tshuaj pleev ib ceua du thiab ua matte.Lub teeb irradiates saum npoo los tsim diffuse reflection.Nyob rau hauv cov tshuaj frosting, iav yog mechanically hauv av los yog manually hauv av nrog emery, silica xuab zeb, pomegranate hmoov thiab lwm yam abrasives los tsim ib tug uniformly ntxhib saum npoo, los yog iav thiab lwm yam khoom yuav kho nrog ib tug hydrofluoric acid tov rau daim iav frosted.
Ob qho tib si frosting thiab sandblasting yog siv los npog lub iav nto, kom lub teeb yuav diffuse tusyees tusyees tom qab dhau los ntawm lub teeb.Nws yog ib qho nyuaj rau cov neeg siv tib yam kom paub qhov txawv ntawm ob lub thev naus laus zis no.Cov hauv qab no piav qhia txog kev tsim khoom ntawm ob lub thev naus laus zis no thiab yuav ua li cas txheeb xyuas lawv.
1. Cov txheej txheem frosting
Frosting yog hais txog immersing lub khob nyob rau hauv ib tug npaj kua qaub kua (los yog siv ib tug acid paste), corroding lub iav nto nrog muaj zog acid, thiab cov hydrogen fluoride ammonia nyob rau hauv cov kua qaub muaj zog ua rau lub iav nto los ua crystals.Yog li ntawd, yog tias cov txheej txheem frosting tau ua tiav zoo, qhov saum npoo ntawm cov iav frosted yog du heev, thiab cov pob zeb tawg tawg ua rau cov nyhuv hazy.Yog hais tias qhov saum npoo yog qhov ntxhib, qhov no qhia tau hais tias cov kua qaub ua rau lub khob hnyav heev, lossis qee qhov ntawm lawv tseem tsis muaj cov muaju.Cov yam ntxwv ntawm cov txheej txheem no yog cov tsos ntawm ci iab crystals ntawm lub iav nto tsim nyob rau hauv cov xwm txheej tseem ceeb.Qhov laj thawj tseem ceeb yog tias hydrogen fluoride ammonia yuav luag tau noj.Yuav kom ua tiav lub xeev no, ntau lub tuam txhab tau ua ntau yam kev sim thiab kev tshawb fawb, tab sis tsis muaj peev xwm kov yeej qhov nyuaj no.
2.Sandblasting tshuab
Nws siv cov xuab zeb hais tawm los ntawm rab phom txau ntawm kev kub ceev los tsoo lub iav nto los ua ib qho chaw tsis sib xws, yog li ua tiav cov txiaj ntsig ntawm lub teeb tawg, thiab ua rau muaj kev ntxhov siab thaum lub teeb hla.Qhov saum npoo ntawm cov khoom iav tsim los ntawm cov txheej txheem sandblasting yog ntxhib.Vim tias cov iav saum npoo puas lawm, nws zoo li iav dawb nyob rau hauv cov nqe lus ntawm photosensitivity ntawm thawj pob tshab iav.
Ob txheej txheem sib txawv kiag li.Frosted iav yog kim dua li cov iav sandblasted, thiab cov nyhuv feem ntau yog nyob ntawm cov kev xav tau ntawm cov neeg siv.Qee cov tsom iav tshwj xeeb tsis haum rau frosting.Txiav txim siab los ntawm kev ua siab zoo, matte yuav tsum tau xaiv.Cov txheej txheem sandblasting tuaj yeem ua tiav hauv cov chaw tsim khoom, tab sis cov txheej txheem sandblasting tsis yooj yim ua kom zoo.
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Post lub sij hawm: Aug-25-2021