Kab lus no piav qhia cov hauv paus ntsiab lus thiab cov hau kev ntawmpolishing ua,ntxiv rau cov txheej txheem kev ua haujlwm ntawm cov txheej txheem polishing. Los ntawm kev thov kom raug ntawm lub log polishing, tus neeg sawv cev polishing, qhov loj me me thiab txhuam nrawm, qhov saum npoo ntawm cov ntu ua tiav kom ua tiav qhov xav tau ntawm qhov ci zoo li daim iav.


1 Cov lus qhia ua ntej
Polishing yog txheej txheem ntawm kev ua tiav qhov chaw hauv kev ua haujlwm, tuaj yeem ua rau saum npoo ntawm qhov ci zoo li daim iav. Ntau yam pwm, ntu zoo nkauj thiab ntu nrog qhov xav tau siab rau qhov pom yuav tsum tau txhuam ua ntej plating. Cov txheej txheem polishing tau muab faib ua ntxhib txhuam, txhuam thiab txhuam zoo 3 theem. Ntxhib polishing, feem ntau yog siv ua ntej nrog cov nplaum nplaum txhuam txhuam lub log, vim tias cov nplaum txhuam yog cov khoom tawv heev, yog li txheej txheem polishing zoo ib yam li kev siv cov log txhuam, siv cov txhuam hniav thiab cov ntaub txhuam cov ntaub, xws li cov txheej txheem tiav; nyob rau hauv polishing thiab nplua polishing, thawj polishing tus neeg sawv cev coated hauv lub softer polishing log, thiab tom qab ntawd cov haujlwm nias rau ntawm kev kub ceev tig polishing log rau polishing txheej txheem.

2 txoj cai polishing
Lub hauv paus ntsiab lus ntawm polishing yog lub log ywj ywj los ntawm kev sib khi lossis txheej nrog abrasive, hauv kev kub ceev hloov pauv, muag muag sib tsoo ntawm cov haujlwm. Polishing tuaj yeem faib ua 3 yam hauv qab no.

(1) tsau abrasive polishing Kev siv cov txhuam txhuam txhuam nrog cov nplaum nplaum (saib daim duab 1). Vim tias cov nplej txhuam thiab mos polishing log nto sib khi ruaj khov, yog li txiav lub zog loj dua, txoj hauv kev zoo ib yam li kev sib tsoo. Thaum polishing, cov lus qhia ntawm kev sib hloov ntawm lub log polishing yog tib yam li cov khoom ua haujlwm pub mis, thiab tuaj yeem tau txais qhov ci ntsa iab. Yog tias cov lus qhia rov qab, lub log polishing hauv kev sib cuag nrog cov khoom ua haujlwm, cov pob zeb txhuam muaj lub zog txiav loj, ua rau cov khoom ua haujlwm nto khawb, rougher.


Daim duab 1 tsau abrasive polishing

(2) Ua raws txhuam txhuam Kev siv cov roj nplaum txhuam cov txhuam txhuam rau polishing (saib daim duab 2), txhuam hauv lub luag haujlwm ntawm kev quab yuam, tuaj yeem maj mam dov hauv cov roj, kom tag nrho cov ntug txiav ntawm cov txhuam muaj lub sijhawm koom nrog hauv kev ua haujlwm, kom lub log polishing kom muaj peev xwm ua haujlwm ntev. Nyob rau tib lub sijhawm, nyob rau hauv qhov kev txiav txim ntawm kev sib txhuam cua sov thiab kev ua haujlwm siab, nruab nrab xws li cov roj ntsha hauv cov neeg ua haujlwm polishing ua tshuaj lom neeg nrog cov hlau saum npoo los tsim cov sib txuas uas tuaj yeem tshem tawm tau yooj yim, yog li ua kom nrawm dua qhov ua haujlwm zoo.

Daim duab 2 Adhesive abrasive polishing
(3) polishing nyob rau hauv cov kua polishing log feem ntau yog ua los ntawm cov khoom siv tsis zoo thiab kev kho degreasing ntawm ntoo lossis tshwj xeeb zoo xav, ob qho tib si uas yog cov ntaub ntawv tsis zoo heev, hauv cov txheej txheem polishing tuaj yeem muaj cov dej ntau polishing rau kev ua. Lub hauv paus yog ua tiav los ntawm plaub theem ntawm cov txheej txheem polishing, uas yog theem pub dawb polishing, inlay polishing theem, saturation passivation polishing theem thiab "plhaub zaj duab xis" polishing theem. Hauv kev siv cov kev xav zoo polishing log, vim tias qhov kev xav yog mos, zoo ib yam, kev ywj pheej thiab kev tso dej ntau dua, tag nrho lub sijhawm polishing luv dua, tsuas yog inlay, saturation passivation thiab "film film" 3 polishing theem.


3 polishing log khoom
Feem ntau siv polishing log lub cev cov ntaub ntawv, paj rwb, hemp, hnov, tawv, tawv tawv ntawv, ntoo mos thiab ntaub ntaub thiab lwm yam ntaub ntawv mos. Ntxhib polishing xav tau siv lub zog polishing loj los txhim kho kev ua tau zoo, tuaj yeem siv daim ntaub, muaj kev xav, tawv tawv ntawv, cork, tawv thiab hemp thiab lwm yam nyuaj nyuaj polishing log cov ntaub ntawv. Hauv kev txhuam thiab txhuam zoo yog siv qhov muag zoo, thiab tus neeg sawv cev polishing kom tswj tau paj rwb zoo dua, muaj kev xav thiab lwm yam khoom siv polishing log. Polishing log khoom hauv kev tsim ntawm yav dhau los kuj yuav tsum tau ua tiav, lub hom phiaj ntawm kev ua haujlwm yog txhawm rau txhawm rau txhawm rau txhim kho lub peev xwm polishing, ntxiv dag zog rau cov fiber, txuas cov kev pab cuam lub neej, nce muag, txhim kho "imitation" muaj peev xwm, txhim kho kev khaws cia ntawm tus neeg sawv cev polishing, lubricity thiab tiv thaiv hluav taws. Cov txheej txheem kev kho mob yog tshuaj dawb, qhov loj me, kho cov ciab, kho tshuaj thiab kho tshuaj. Kev ywj pheej thiab nruj ntawm lub log polishing tuaj yeem hloov kho los ntawm kev hloov txoj kev sib dhos thiab lub sijhawm sib nrug ntawm lub mesh ntawm lub log polishing. Swirling stitching method yog ib qho yooj yim los tsim thiab siv, thiab tau siv dav. Tsis tas li ntawd, muaj cov voj voos kheej kheej, cov kab kos thiab cov duab sib dhos. Yog hais tias lub log polishing sib dhos ib yam nkaus, yog tias lub sijhawm sib dhos loj, qhov elasticity ntawm lub log polishing yog loj, thiab rov ua dua, kev ywj pheej me me thiab txhav.

4 xaiv tus neeg sawv cev polishing
Polishing tus neeg sawv cev los ntawm cov hmoov txhuam cov khoom thiab roj thiab lwm yam khoom tsim nyog ntawm nruab nrab tusyees sib xyaw. Raws li nws lub xeev ntawm chav sov, tuaj yeem faib ua tus neeg sawv cev polishing thiab tus neeg sawv cev ua kua. Tus neeg sawv cev polishing khoom raws li muaj pes tsawg leeg lossis xwm txheej ntawm qhov nruab nrab, tuaj yeem faib ua roj thiab tsis rog ob. Tus neeg sawv cev ua kua raws li muaj pes tsawg leeg lossis xwm txheej ntawm qhov nruab nrab, tuaj yeem faib ua hom emulsion, hom roj ua kua thiab hom tsis muaj roj 3 pawg. Tab sis feem ntau siv yog tus neeg sawv cev polishing khoom.

Cov khoom ua kom muaj roj ntau suav nrog Saizar polishing muab tshuaj txhuam (fused alumina), rau cov pa roj carbon hlau, stainless hlau thiab cov hlau tsis ntxhib ntxhib txhuam. emery muab tshuaj txhuam (fused alumina, emery), rau carbon hlau, stainless hlau ntxhib txhuam thiab txhuam; daj polishing muab tshuaj txhuam (phaj diatomite), rau hlau, tooj dag, txhuas thiab zinc, thiab lwm yam hauv polishing; cov hlau zoo li tus hlau oxide, rau tooj liab, tooj dag, txhuas thiab tooj liab-plated nto hauv qhov txhuam thiab ua kom zoo; dawb polishing muab tshuaj txhuam (roasted dolomite), rau nplua polishing tooj liab, tooj dag, txhuas, tooj liab plated nto thiab npib tsib xee-plated nto; ntsuab polishing muab tshuaj txhuam (chromium oxide), rau nplua polishing ntawm stainless hlau, tooj dag thiab chromium-plated nto; liab polishing muab tshuaj txhuam (refined hlau oxide), rau nplua polishing kub, nyiaj thiab platinum; polishing tus neeg sawv cev rau cov yas (microcrystalline anhydrous carbonic acid), txhawm rau txhuam zoo ntawm cov yas, tawv thiab kaus ntxhw.

Cov neeg ua kua polishing feem ntau siv chromium oxide thiab emulsion sib xyaw ua kua.


5 txhuam nrog xaiv qhov loj me me ntawm cov hmoov txhuam

Qhov loj me me ntawm abrasive hauv tus neeg sawv cev polishing muaj qhov cuam tshuam ncaj qha rau qhov ntxhib qhov ntxhib tus nqi thiab kev ua haujlwm zoo ntawm kev ua haujlwm tom qab polishing. Abrasive particle loj ntxhib, qhov ua haujlwm nto roughness tus nqi yog loj, thiab kev ua haujlwm siab; abrasive particle loj zoo, qhov ua haujlwm nto roughness tus nqi me me, tab sis kev ua haujlwm tau tsawg. Qhov yuav tsum tau ua rau qhov ntxhib ntxhib tus nqi Ra = 1.6～3.2μm, qhov loj me me yog F46～F60; qhov xav tau Ra = 0.4～0.8μm, qhov loj me me yog F100～F180; qhov xav tau Ra = 0.1～0.2μm, qhov loj me me yog F240～W28; qhov xav tau Ra = 0.025～0.05μm, qhov loj me me yog W20～W5; qhov xav tau Ra⠉ μ 0.012μm, qhov loj me me

6 polishing ceev thiab xaiv siab
(1) qhov ncig ib puag ncig ntawm lub log polishing polishing, qhov siab dua ib puag ncig ib puag ncig nyob rau qee qhov kev mob siab, qhov me me ntawm qhov txiav txiav, uas muaj txiaj ntsig zoo los txo qhov ua haujlwm nto roughness tus nqi, kev ua haujlwm zoo kuj tseem nce ntxiv. Polishing hlau, cam khwb cia hlau, npib tsib xee thiab chromium thiab lwm yam ntaub ntawv nyuaj, polishing log ceev ntawm 30 ~ 35m / s; txhuam tooj liab, tooj liab tooj liab thiab nyiaj, txhuam lub log nrawm ntawm 20 ~ 30m / s; polishing aluminium, aluminium alloy, zinc thiab tin thiab lwm yam ntaub ntawv mos, txhuam lub log nrawm ntawm 18 ~ 25m / s. Hauv kev coj ua, kev xaiv polishing log nrawm, raws li qhov xwm txheej tshwj xeeb ntawm kev hloov pauv tau yooj yim, txhawm rau ua tiav kev nyab xeeb, ua haujlwm tau zoo thiab lub hom phiaj zoo.

(2) polishing siab polishing workpiece siab rau polishing log siab loj, thiab polishing efficiency thiab workpiece nto zoo yog ze ze. Ntxhib polishing, lub siab yog qhov loj los txhim kho kev ua haujlwm; kev txhuam zoo, siv lub zog me me los txhim kho qhov zoo ntawm cov khoom ua haujlwm. Dav ntxhib polishing siab ntawm 10 ~ 30MPa, txhuam zoo rau 5 ~ 10MPa.

7 lwm cov txheej txheem polishing
(1) ntawv xov (ntaub) polishing Txoj kev no yooj yim rau kev khiav lag luam, hloov pauv tau, yog txheej txheem txheej txheem ib txwm muaj. Ua tau ntawm tus kws dhos, sib tsoo, txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau tus nqi ntawm cov khoom ua haujlwm los ntawm txhais tes, tsis xav tau lwm yam khoom siv ntxiv. Tab sis yuav tsum yog raws li qhov ua haujlwm saum npoo qhov ntxhib qhov yuav tsum tau ua, qhov tsim nyog xaiv ntawm cov ntaub txhuam hniav. Piv txwv li, qhov yuav tsum tau muaj qhov ntxhib nto Ra = 0.1 ~ 0.8μm, txhuam hniav F150 ~ F240. Rau polishing ntawm lub qhov thiab hom nto (qhov), tam sim no dav siv abrasive impeller polishing. Hom impeller no yog ua los ntawm cov khoom siv los ua kom cov nplej zom zom zaws rau ntawm daim ntaub txhuam hniav, daim ntaub txhuam hniav ntawm lub tshuab ntxhua khaub ncaws yog cuam tshuam rau kev faib tawm, muag muag heev, tuab thiab yoog raws, tuaj yeem ntsia tau ntawm cov cuab yeej hluav taws xob lossis cua thaum siv. Raws li qhov yuav tsum tau ua ntawm qhov ua haujlwm, xaiv qhov sib txawv thiab qhov loj ntawm cov ntaub qhwv cov ntaub qhwv, yooj yim heev.

(2) kua polishing yuav tuav abrasives thiab kua sib xyaw ua kom ncua cov xuab zeb ua kua, nrog huab cua nrawm thiab los ntawm lub taub hau ntawm cov tshuaj tsuag nrawm mus rau saum npoo ntawm qhov ua haujlwm, txheej txheem polishing. Txoj kev txhuam no feem ntau tuaj yeem ua raws qhov ntxhib qhov ntxhib tus nqi Ra = 0.2μm, thiab sai sai tau Ra = 0.05 ~ 0.1μm, feem ntau yog rau lwm txoj hauv kev nyuaj ua kom tiav cov nplaim (xws li qhov me me, hom nyuaj thiab ntu nqaim nqaim, lwm yam).

(3) Electrolytic mechanical sib tsoo compound polishing Lub hauv paus ntsiab lus yog tib yam li ntawm kev sib tsoo electrolytic. Thaum polishing, lub taub hau polishing txuas nrog lub davhlau ya nyob twg tsis zoo ntawm DC lub zog xa khoom, cov haujlwm txuas nrog lub davhlau ya nyob twg zoo, thiab cov roj ntsha tau txhaj rau hauv thaj chaw polishing los ntawm cov twj hydraulic ntawm lawv, thiab lub taub hau polishing tig ntawm qee yam ceev thiab siab. Tom qab DC lub zog hluav taws xob txuas nrog, cov nplaim ntawm cov khoom ua haujlwm tau yaj los ntawm cov electrolyte thiab cov yeeb yaj kiab passivation tau tsim. Qhov tawv ntawm cov yeeb yaj kiab uas tsis tshua muaj neeg pom tau qis dua qhov tawv ntawm cov khoom siv ua haujlwm nws tus kheej, uas tau yooj yim tshem tawm los ntawm kev txhuam los ntawm lub taub hau polishing. Vim tias cov txheej txheem tsuas yog nyob hauv 0.1s lub sijhawm voj voog, yog li polishing kev ua haujlwm siab, zoo zoo, tus nqi qis.

(4) ultrasonic EDM sib xyaw polishing tso siab rau ultrasonic sib tsoo thiab tso tawm kom txhuam cov nplaim ntawm cov khoom ua haujlwm, ntau dua 3 zaug siab dua qhov ua tau zoo ntawm cov tshuab ultrasonic huv huv. Nws qhov tseem ceeb tshaj plaws yog qhov ua tau zoo polishing lub qhov me, qhov nqaim nqaim, qhov khoob thiab qhov me me qhov tseeb, ua tiav qhov ntxhib qhov nqi Ra txog li 0.08 ~ 0.16μm.

(5) sib nqus sib tsoo thiab polishing Raws li qhia hauv daim duab 3, cov hlau nplaum txhuam mus rau hauv qhov chaw sib nqus, txhuam hniav raws txoj kab sib nqus ntawm kev taw qhia mus rau txhuam txhuam, thaum lub tshuab ua haujlwm mus rau nruab nrab ntawm NS cov hlau nplaum ncej, rau kev txav chaw txheeb ze, ob lub hlau nplaum sib tsoo sib tsoo thiab polishing ntawm cov haujlwm, qhov ua haujlwm saum npoo qhov ntxhib qhov nqi Ra tuaj yeem yog 8 ~ 12s txog 0.2μm.


Daim duab 3 Sib nqus sib tsoo thiab polishing

8 Cov lus xaus
Kev xyaum tau ua pov thawj tias polishing yog siv dav thiab nce zuj zuskev ua tiav saum npoomethod hauvua haujlwm, ob qho kev paub dhau los ntawm cov txheej txheem ib txwm muaj thiab theoretical hauv paus ntawm cov txheej txheem niaj hnub no, kev ua haujlwm yooj yim, kev lag luam thiab siv tau. Rau tam sim no theem ntawm kev tshawb fawb thiab kev txhim kho ntawm ntau qhov ua tau zoo thiab zoo tshaj txheej txheem polishing tshiab, yuav tsum tau ua ke nrog cov xwm txheej tsim khoom, raws li cov xwm txheej hauv cheeb tsam xaiv, los ntawm cov txheej txheem sim kom ua tiav cov txiaj ntsig xav tau ua ntej tag nrho kev txhawb nqa.