Abrasive Blasting (cov khoom siv rau txheej txheem Sandblasting)

Abrasive blasting muaj cov yam ntxwv ntawm lub sijhawm sib tsoo luv, ua haujlwm siab, muaj txiaj ntsig zoo thiab tus nqi qis; Nruab nrab hardness, siab toughness, zoo nws tus kheej ntse, tsis tshua muaj xuab zeb noj thiab yuav siv tau, zoo sib tsoo tag; Thiab cov tshuaj muaj pes tsawg leeg yog ruaj khov, hnav tsis kam, acid thiab alkali tsis kam. Sandblasting abrasives muaj lub plhaub zoo li cov pob txha tawg nrog cov npoo ntse thiab cov ces kaum, uas tuaj yeem tsim cov npoo tshiab thiab cov npoo hauv kev sib tsoo thiab muab qhab nia, ua rau lawv muaj peev xwm sib tsoo zoo dua rau lwm cov abrasives. Hauv particular, nws muaj qhov zoo ntawm qhov siab hardness, hnyav piv, ruaj khov tshuaj thiab nws tus kheej ntse, uas yog thawj qhov kev xaiv rau abrasive blasting txheej txheem. Nyob rau tib lub sijhawm, nws yog cov khoom siv zoo tshaj plaws rau sandblasting, xeb tu, sib tsoo thiab polishing.

Abrasive blasting yog siv cov cua compressed los ua lub zog los tsim lub dav hlau nrawm nrawm los txau cov khoom siv tshuaj tsuag (garnet, tooj liab ore, quartz xuab zeb, emery, hlau xuab zeb, Hainan xuab zeb) high-speed tsuag rau saum npoo workpiece uas yuav tsum tau kho, thiaj li hais tias cov tsos los yog cov duab ntawm lub sab nrauv ntawm lub workpiece nto hloov, vim muaj kev cuam tshuam thiab txiav nyhuv ntawm abrasive nto ntawm lub workpiece, ua rau lub nto ntawm lub workpiece kom tau ib tug tej degree. ntawm kev huv thiab sib txawv roughness, kom cov neeg kho tshuab cov khoom ntawm qhov chaw ntawm lub workpiece yog txhim kho, thiaj li mus txhim kho lub qaug zog tsis kam ntawm lub workpiece, ua rau kom lub adhesion ntawm nws thiab txheej, ncua lub durability ntawm txheej zaj duab xis, tab sis kuj. conducive rau ntws thiab kho kom zoo nkauj ntawm txheej.

Silicon carbide (SiC) yog ib qho khoom siv abrasive, yog cov xuab zeb quartz, roj av coke (los yog coke coke), ntoo chips (tsim ntsuab silicon carbide yuav tsum tau ntxiv ntsev) thiab lwm yam raw khoom los ntawm lub qhov cub kub kub smelting. Ntshiab silicon carbide yog cov xim tsis muaj pob tshab. Muaj silicon carbide yog lub teeb daj, ntsuab, xiav thiab txawm dub vim yog hom thiab cov ntsiab lus ntawm impurities muaj, thiab cov pob tshab txawv nrog nws cov purity. Silicon carbide ua cov xuab zeb hmoov ntau lawm cov lag luam yog faib nyob rau hauv Henan, Shandong, Jiangsu, Jilin, Heilongjiang thiab lwm lub xeev.

Garnet xuab zeb
Garnet xuab zeb, tseem hu ua ntuj emery, yog lub ntuj abrasive, vim garnet hardness yog loj (Mohs hardness 7.5-8), siv lead ua zoo, tom qab crushing nrog ntse npoo, haum rau tej yam ntuj tso abrasive thiab sandblasting polishing cov ntaub ntawv. . Feem ntau siv hauv dav hlau, nkoj, tsheb tsim hlau polishing, zoo rooj tog polishing, duab raj polishing, ceramic iav polishing, tawv, roj hmab polishing thiab es tsis txhob acid corrosion rau txhuas profile ntau lawm txheej txheem. Raws li ib tug "natural emery", txhua xyoo ntau lawm thiab noj ntawm lub lag luam thoob ntiaj teb yog nce. Kev ua ntawm garnet nyob rau hauv Tuam Tshoj yog dominated pomegranate-ferro-aluminium garnet los ntawm Rizhao, Shandong thiab Lianyungang, Jiangsu.

Quartz xuab zeb
Quartz pob zeb, lub ntuj abrasive, yog ib qho nyuaj, hnav-tiv taus, tshuaj lom neeg ruaj khov silicate ntxhia, nws cov ntxhia tseem ceeb yog SiO2. Cov xim ntawm quartz xuab zeb yog milky dawb, los yog tsis muaj xim translucent, Mohs hardness 7. Los ntawm kev xav thoob plaws hauv lub tebchaws, quartz ore faib yog dav. Siv rau cov ntaub ntawv abrasive (sandblasting, hard abrasive paper, sandpaper, emery fabric, etc.), xuab zeb tu, xeb tshem tawm, tshem tawm cov oxide ua.

1, yuav tsum hnav cov khoom tiv thaiv ua ntej ua haujlwm, tsis txhob ua haujlwm nrog caj npab liab qab. Tsis pub tsawg dua ob tus neeg ua haujlwm.
2, roj cia tank, ntsuas siab, kev nyab xeeb valve yuav tsum tau xyuas tsis tu ncua. Lub tank tso roj tso tawm ib zaug txhua ob lub lis piam, thiab cov lim dej hauv lub tank xuab zeb raug tshuaj xyuas ib hlis ib zaug.
3. Xyuas seb lub qhov cua ntawm cov yeeb nkab thiab lub qhov rooj ntawm lub tshuab sandblasting puas raug kaw. Tsib feeb ua ntej ua haujlwm, cov khoom siv cua thiab cov plua plav tshem tawm yuav tsum tau pib. Thaum cov khoom cua thiab cov plua plav tshem tawm tsis ua haujlwm, lub tshuab xuab zeb blasting raug txwv tsis pub ua haujlwm.
4, lub compressed cua valve yuav tsum tau maj mam qhib, thiab cua siab yuav tsum tsis txhob ntau tshaj 0.8MPa.
5, grit yuav tsum tsim nyog rau kev ua haujlwm, feem ntau ntawm kaum thiab nees nkaum, cov xuab zeb yuav tsum tau qhuav.
6. Thaum lub tshuab xuab zeb blasting ua haujlwm, nws yog txwv tsis pub mus cuag cov neeg ua haujlwm tsis cuam tshuam. Thaum ntxuav thiab kho qhov chaw ua haujlwm, nws yuav tsum tau nres.
7, tsis txhob siv cov cua compressed los tshuab plua plav lossis tso dag.
8, tom qab ua haujlwm, cov khoom siv cua thiab cov plua plav tshem tawm yuav tsum tau ua haujlwm ntxiv rau tsib feeb thiab tom qab ntawd kaw, txhawm rau kom tshem tawm cov plua plav sab hauv tsev thiab ua kom qhov chaw huv si.
9, thaum muaj xwm txheej ntawm tus kheej thiab cov cuab yeej siv, yuav tsum tswj qhov chaw, thiab qhia rau cov tuam tsev uas cuam tshuam.

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