Txhuas Oxide Sandpaper Hook thiab looop Sanding Discs

 

I. Cov Khoom Siv Khoom thiab Cov Qauv Txheej Txheem

Lub hauv paus ntawm Aluminium Oxide Sandpaper Hook thiab cov ntxawg cov ntawv sau abasive yog ua rau ntawm ntau {{}}} Cov khoom siv cov khoom siv.

 

    Lub hauv paus txheej txheejyog feem ntau ua los ntawm high - ntom kraft ntawv lossis polyester zaj duab xis nrog cov ntaub ntawv. Qhov kev xaiv no tsis yog qhov tsis txaus ntseeg tab sis yog ua raws cov kev xav nruj ntawm kev ua tau zoo. High - Cov ntawv kraft zoo tshaj plaws (feem ntau ntau dua los yog sib npaug nrog 8n / hli), muab lub hauv paus ruaj khov rau cov xuab zeb. Polyester Zaj Duab Xis PaTite, ntawm qhov tod tes, yog siv rau lawv cov khoom lag luam zoo ruaj khov thiab cov tshuaj lom neeg ua haujlwm. Txhawm rau txhim kho kev ua tau zoo ntawm cov khoom siv hauv paus, qee qhov siab-}} kev kho kom muaj zog tshwj xeeb ntawm cov khoom siv hauv paus ntawm 32-38mn / m. Qhov no tsis tsuas yog ua kom muaj cov nplaum ntawm cov txheej txheem abasive tab sis kuj ua rau cov khoom lag luam nrog zoo noo noo tsis kam.

   Cov Abrasive Txheej, raws li cov tseem ceeb txheej ntawm cov suab paj nruag, feem ntau siv fused dawb alumina (wa) lossis xim av alumina (a) raws li cov khoom tseem ceeb. Cov alumina hais no, tom qab siab- kub sintering, pib cov xuab zeb nrog cov tawv ntoo nrog kev ua kom zoo tshaj plaws thiab hnav tsis kam. XRD tsom qhia tau hais tias nyob rau hauv high-}}}}}}} Al₂o₃ theem nyob rau hauv cov txheej txheem abrasive tuaj yeem ncav tau ntau dua hauv 0.5 μm. Qhov no microstructure ua kom cov kev txiav ua tau zoo thiab kev ua tiav ntawm cov xuab zeb. Lub particle loj tso tawm ntawm cov txheej txheem abasive nruj me ntsis adheres rau FEPA txuj, xws li P80 rau P80000. Rau cov khau khiab ntawm cov haum sib txawv, qhov loj me me (D90 / D10) yog tswj hwm nruj me ntsis thiab rov ua dua ntais cim.

   Lub nuv - Thiab - nplai} lub voj system, Ua haujlwm raws li tus choj txuas cov kab ntawv rau cov tshuab sib tsoo, yog qhov sib luag hauv nws cov qauv. Niaj hnub nimno sandper ib txwm ua hauj lwm ib txwm ua hauj lwm ob {}}}} polyurethane adjection, tab sis kuj pom kev ua kom zoo nkauj heev thiab tshuaj lom neeg tiv taus. Txhawm rau txhim kho kev ntseeg tau ntawm cov nuv -} {} lub voj voos system, qee cov khoom yuav txuas ib tus qauv sib txuas nrog. Los ntawm kev sib hlub ntawm txiv neej thiab poj niam noj ua tiav los ntawm cnc, lub tiaj tiaj ntawm cov xuab zeb kev sib koom tes thiab kev sib tsoo zoo.

 

 

Ii. Kev tswj hwm kev tswj ntawm cov txheej txheem tsim khoom
Kev tsim khoom tsim ntawm Aluminium Oxide Sandpaper Hook thiab lub voj Cov ntaub ntawv Abrasive yog ib cov txheej txheem ua kom haum ntau yam tseem ceeb. Nyob rau hauv lub hauv paus cov khoom siv pretreatment theem, Corona kev siv thev naus laus zis yog feem ntau ua haujlwm kom nce cov ntawv ntawm daim ntawv rau 42 mn / m, tsim cov kev cai zoo tshaj plaws rau cov txheej txheem zoo tshaj plaws. Corona kev tawm kev kho mob siv lub siab {3} ionize huab cua rau ionize huab cua rau ionize huab cua rau ionize cov khoom siv, yog li txhim kho cov nplaum ntawm cov nplaum txheej.

 

  Daim ntawv thov ntawm cov roj nplaumyog ib qho ntawm cov txheej txheem tseem ceeb hauv kev tsim khoom ntawm cov suab paj nruag. Niaj hnub cov kab ntau lawm siv micro {{{1} Siv cov kua nplaum hauv paus los ntawm kev sib tw ntawm cov menyuam yaus sib cav. Lub thickness ntawm cov kua nplaum txheej feem ntau yog tswj tau ntawm 8 thiab 12 μm. Nws yog kho nyob rau hauv 3 vib nas this los ntawm ib qho ze {{}} kev ntxhov siab ntawm 850 nawj), kom muaj kev ntxhov siab ntawm cov kua nplaum thiab tswj cov tiaj tus ntawm substrate.

 

 

   Lub tshuab hluav taws xob tshuab hluav taws xob sandingyog cov tseem ceeb thev naus laus zis hauv kev tsim khoom ntawm cov suab paj nruag. Nyob rau hauv ib lub tshuab hluav taws xob nrog lub voltage ntawm 15 - 25kv thiab hluav taws xob teb lub zog ntawm 3.5Kv / CM, Alumina hais yog ionized thiab them. Nyob rau hauv lub zog ntawm lub teb hluav taws xob, lawv yog unsorbed mus rau saum npoo ntawm substrate nrog ib txheej sib txawv, sib sau ib txheej ntawm kev npaj. Cov txheej txheem xuab zeb sanding tuaj yeem nce cov kev pab them sandent ntau dua ntawm cov kev pab cuam sandent cov kev txiav cov khoom siv ua haujlwm thiab muaj sia ntawm cov xuab zeb. Qee cov kab ntau pua qhov kev txiav txim siab tseem ceeb tseem muaj kev them nyiaj rau kev siv Sanding tam sim no (0.5-2.0m, txhawm rau txhim kho qhov ruaj khov ntawm cov xuab zeb zoo.

   Tus post - yuav cov txheej txheem khoyog cov kauj ruam kawg hauv kev tsim cov xuab zeb thiab cov theem tseem ceeb los xyuas kom nws ua tau zoo. Cov kab ntau yeej siv tau ib qho peb {- ntu huab cua kub thiab maj mam tshem tawm sab hauv kev ntxhov siab; 120 {{{{4 {}}} kub seem kom tiav qhov kev kho thaum pib thiab tsim lub zog thawj zaug; Thiab ib 180℃siab - sov seem kom ua tiav tag nrho cross- kev ua haujlwm thiab ua kom tiav cov kev ua tiav ntawm cov nplaum txheej. DSC Kev Tshawb Xyuas hais tias peb - Cov khoom siv Resin ntau dua (cov tev muaj ntau dua lossis muaj txiaj ntsig zoo rau hauv 23 qib rau 72 teev) thiab kub tsis kam.

 

III. Kev ua tau zoo thiab kev ua haujlwm tsis ua haujlwm
Cov kev ua tau zoo ntawm sanding discs ncaj qha cuam tshuam qhov zoo thiab ua haujlwm ntawm sanding. Yog li ntawd, coj tus cwj pwm ntawm cov xuab zeb kev ua tau zoo thiab ua kom tseem ceeb rau cov xuab zeb tsim thiab txhim kho nws cov kev ua tau zoo.

 

  Kev Ua Tau Zooyog cov tub ntxhais kawm ua tau zoo tshaj plaws ntawm cov suab paj nruag. Feem ntau, lub tshuab kuaj TCM yog siv rau kev ntsuam xyuas kom muaj tseeb. Nyob rau hauv ib qho kev hloov pauv 20n kev ruaj khov, siab- Cov paib zoo P400 tuaj yeem ua tiav qhov kev tshem tawm ntawm 0.8μm, ua kom pom kev zoo heev thiab ua tiav saum npoo. Hnav cov kev ntsuam xyuas qhia tau tias lub neej nkhaus ntawm siab ntawm siab- Rhuav tshem tawm ntawm ib leeg thiab cov kev txiav ua haujlwm kom haum; Cov nqis kev hnav nyob ruaj theem (500-3000 txoj kev hloov pauv), qhov twg kev txiav kev ua haujlwm ntawm cov xuab zeb tseem nyob ruaj khov thiab qhov chaw nyob ib puag ncig; Thiab kev txiav txim siab poob qis theem, qhov kev txiav ua tau zoo ntawm cov xuab zeb poob qis dua thiab cov npoo uas muaj qhov tsis txaus ntseeg. Tag nrho lub neej zoo tuaj yeem ncav cuag ntau dua 4000 revolutions.

    Ua tsis tiav Pode Tsomyog ib qho tseem ceeb txhais tau tias txhawm rau txhim kho kev ua yeeb yam ntawm cov suab paj nruag. Kev tsom xam pom tias cov abrasive particle particle particle yog lub ntsiab ntawm cov xuab zeb tsis ua haujlwm, nyiaj txiag rau 68% ntawm kev ua tsis tiav. Los ntawm kev soj ntsuam tsib ntawm qhov chaw tsis ua tiav, nws tuaj yeem pom tau tias txheej txheem nplaum thiab cov txheej txheem sib txawv ntawm cov txheej txheem nplaum thiab cov txheej txheem abrasive, raws li cov khoom siv abrasive, yuav tsum tau ua kom zoo dua. Qee qhov kev tshawb fawb tau hloov kho cov txheej txheem nplaum los ntawm kev ntxiv nano- qhov tseeb ntawm 150%), siv tau zoo rau lub neej thiab kev ntseeg tau ntawm cov xuab zeb.

    Clogging nyiamyog qhov taw qhia tseem ceeb uas cuam tshuam rau cov neeg siv kev paub ntawm cov xuab zeb. Clogging yog hais txog qhov tshwm sim uas cov khib nyiab uas sib tsoo cov ntoo uas sib tsoo, thaiv cov khoob ntawm cov qoob loo thiab txo qhov kev txiav nyiaj. Raws li ATTM D3466 tus qauv xeem, cov xuab zeb nrog zinc stearate anti {% txo cov kev pabcuam dawb pine thiab sib tsoo efficiency ntawm cov xuab zeb. Kev tsom xam tshwj xeeb infrarroscopy paub tseeb tias PoleTetroundoethylene microo {{8} Taug kev ntawm kev sib tsoo ntawm cov khib nyiab thiab txo qis ntawm daim clogging.

 

 

IV. Kev ua kom zoo rau kev thov cov txheej txheem
Daim ntawv thov ntawm aluminium oxide sandpape but {}}}} {kawg} nplai usop abrased sib txawv hauv cov teb sib txawv. Yog li, txhim kho cov ntawv thov cov txheej txheem rau cov xwm txheej sib txawv yog qhov tseem ceeb tshaj plaws rau kev ua tau zoo thiab txhim kho qhov zoo ntawm kev sib tsoo.

 

Hauv daim teb ntawm precision machination, daim ntawv thov ntawm sanding discs yuav tsum ua raws li lub hauv paus ntsiab lus ntawm graded sib tsoo. Cov qhab nia sib tsoo yog hais txog kev xaiv ntawm cov khau khiab ntawm cov sib tsoo sib tsoo, thiab cov kev sib tsoo ntawm cov kev sib tsoo, thiab kev sib tsoo ua kom sib tsoo thiab sib tsoo polishion. Taking the polishing of aerospace aluminum alloy parts as an example, the typical process flow is: P80 → P120 → P180 → P240 → P320 → P400 → P600 → P800, with the feed rate decreasing by 30% at each stage, ultimately achieving a surface quality of Ra0.2μm. Qee cov lag luam tseem muaj cov sanding cov sanding ntse, uas siv laser kev hloov pauv ntawm lub sijhawm zoo los ntawm 40% thaum ua kom muaj txiaj ntsig zoo ntawm qhov zoo ntawm cov khoom zoo.

Nyob rau hauv cov kev ua haujlwm tshwj xeeb, kev xaiv thiab kev ua kom zoo ntawm cov xuab zeb yog tshwj xeeb yog ib qho tseem ceeb. Piv txwv li, hauv Automotive kov- kev sib tsoo dej feem ntau tau txais los txo cov hmoov av qias neeg thiab txhim kho qhov zoo ntawm cov xim saum npoo av. Cov txheej txheem sib tsoo dej sib tsoo qhov chaw xav tau siab ntawm cov dej tsis kam ntawm cov suab paj nruag. Yog li ntawd, ywg dej - ion resistant xuab zeb (tom qab muaj ntau dua li ntawm 75%, kom paub meej tias cov xuab zeb tsis muaj ntau tshaj li 7%, kom ntseeg tau tias lub suab sib tsoo thiab ua kom sib tsoo thaum muaj dej sib tsoo thiab tswj hwm tau ruaj khov txiav cov haujlwm. Rau qhov chaw nrog lub vojvoog curius r <5 hli, elastic rov qab lub tsev xuab zeb yog pom zoo. Nws cov kev nkees nkees ua tau tuaj yeem ncav cuag ntau dua 100,000 zaug, cia nws ua raws li cov kev sib tsoo tsis xwm yeem thiab ua tiav kev sib tsoo.

Kev tu thiab kev saib xyuas ntawm cov xuab zeb tseem cuam tshuam nws txoj kev pabcuam lub neej thiab kev sib tsoo zoo. Nws raug nquahu kom siv tus ntoo khaub lig- Kev sib tsoo cov txheej txheem tsis tu ncua, uas tuaj yeem hloov kho cov txheej txheem ntawm abrasive los ntawm 25% thiab txuas ntxiv kev pabcuam lub neej ntawm cov xuab zeb. Thaum tu, compressed cua (0.6mpa) yuav tsum tau siv los tshuab tawm cov khib nyiab thiab hmoov av hauv kev coj rov qab. Organic cov kuab tshuaj yuav tsum tsis txhob siv kom tsis txhob ua kom muaj kev puas tsuaj txheej txheej nplaum thiab cov khoom siv hauv paus. Qhov chaw cia khoom yuav tsum tswj hwm qhov ntsuas kub thiab av noo (23 ± 2 ± 5 ± 5% Rh) los tiv thaiv cov dej noo thiab deforming, uas tuaj yeem cuam tshuam lub tiaj tiaj ntawm cov xuab zeb.