sanding siv Kev sib tsoo, raws li tus txheej txheem tshiab tau txais txiaj ntsig thiab txuag hluav taws xob, yog ib qho kev ua haujlwm zoo thiab niaj hnub tsim kev lag luam, ib yam li lwm yam kev tsim khoom siv tshuab. Txij li thaum Tebchaws Meskas thawj zaug siv abrasive siv sib tsoo rau cov khoom siv hlau hauv kev tsim riam phom kev lag luam thaum Ntiaj Teb Tsov Rog II, abrasive siv sib tsoo pib tsim sai thoob ntiaj teb. Raws li cov ntaub ntawv txheeb cais, los ntawm xyoo 1990, qhov sib piv ntawm txoj siv tawv thiab kev sib tsoo log siv hauv Tebchaws Meskas yog 49 : 51, nyob rau sab hnub poob ntawm lub tebchaws Yelemes yog 45 : 55, Nyiv mus txog 1: 1, nws siv tau thoob plaws txhua qhov chaw ntawm lub neej. . Los ntawm xyoo 1980s ntawm lub xyoo pua 20th, Tuam Tshoj kuj tau pib ua cov kev tshawb fawb thiab kev siv cov abrasive siv sib tsoo, tab sis nyob rau hauv qhov tseeb mechanical processing, Tuam Tshoj yuav tsum siv abrasive siv sib tsoo rau kev txiav yog tsawg heev, thiab kev loj hlob ntawm nws cov cuab yeej technology. kuj qeeb heev. Qhov laj thawj yog vim li cas peb tsis nkag siab cov yam ntxwv ntawm cov txheej txheem, thiab peb ua tsis tiav los txhawb qhov zoo thiab zam qhov tsis zoo ntawm kev siv tswv yim. Nyob rau hauv daim ntawv no, cov yam ntxwv thiab daim ntawv thov ntawm abrasive siv sib tsoo yog piav luv luv los ntawm kev sib piv abrasive siv sib tsoo nrog kev sib tsoo log sib tsoo nyob rau hauv ob peb yam.
1. Kev ua haujlwm mechanism
Zoo li lub log sib tsoo, lub abrasivexuab zeb sivyog cov cuab yeej siv ntau lub cuab yeej txiav, thiab nws txoj haujlwm txiav yog ua tiav los ntawm cov khoom abrasive daig rau hauv matrix. Raws li kev soj ntsuam ntawm cov qauv ntawm cov sib tsoo lub log thiab txoj siv abrasive, thaum lub log sib tsoo cov khoom ua haujlwm, vim tias qhov kev faib tawm ntawm cov khoom sib tsoo ntawm qhov chaw sib tsoo yog random, tsis sib xws thiab sib txawv, qee qhov abrasive tuaj yeem txiav. cov hlau chips, thiab qee qhov tsis tuaj yeem txiav cov chips. Thaum sib tsoo lub workpiece, vim hais tias cov abrasive hais yog ib-txheej txheej coated ntawm lub abrasive siv matrix, cov hais yog uniform, lub contour ntawm cov hniav yog zoo, thiab lub orientation yog teem, yuav luag tag nrho cov abrasive hais tuaj yeem koom rau hauv kev txiav, yog li ntawd. kev ua haujlwm txiav yog qhov zoo.
2. Kev sib piv ntawm kev sib tsoo cov yam ntxwv
2.1, kev ua haujlwm ntawm txoj siv sib tsoo yog siab
Vim muaj cov yam ntxwv ntawm txoj siv abrasive, ntau thiab ntse abrasive hais tuaj yeem muab tso rau hauv qhov chaw sib txuas ntawm txoj siv abrasive thiab cov khoom ua haujlwm tib lub sijhawm rau kev txiav, yog li cov hlau tshem tawm ntawm abrasive siv sib tsoo yog ntau dua li ntawd. ntawm kev sib tsoo log (qhov kev ua tau zoo yog li 5 mus rau 10 npaug ntawm qhov sib tsoo zoo tib yam). Thaum tsim nyog, ntau lub taub hau sib tsoo tuaj yeem siv rau kev sib tsoo, thiab sib tsoo sib tsoo, kev sib tsoo semi-zoo, kev sib tsoo zoo, kev sib tsoo siab thiab polishing tuaj yeem ua tiav hauv ib zaug. Piv nrog rau kev sib tsoo lub log, lub sijhawm ua haujlwm tuaj yeem raug luv los ntawm kaum mus rau ntau pua lub sijhawm, uas ua rau cov khoom tsim tau zoo heev. Yog li ntawd, nyob rau hauv cov nqe lus ntawm nws txoj cai thiab daim ntawv thov, lub abrasive siv yog lub abrasive nrog lub siab tshaj plaws kev sib tsoo efficiency nyob rau hauv coated abrasive cuab yeej.
2. 2, kev siv lub tshuab siv siab ntawm kev sib tsoo siv
Lub zog ntawm lub tshuab cuab yeej lub cev muaj zog muaj peb ntu hauv qab no: N lub ntsiab=N txiav + N khoob + N txuas
Qhov twg: N txiav - lub zog zoo rau kev txiav
N Empty - siv lub zog tsis muaj zog poob los ntawm ntau yam kev sib txhuam hauv kev sib kis
N - Lub zog siv los ntawm cov neeg kho tshuab kev sib txhuam uas qhov kev txiav yog nce
※ N feem ntau yog qhia nyob rau hauv daim ntawv ntawm lub tshuab efficiency, raws li thaum ntxov raws li lub xyoo 1960s, nws tau tshaj tawm hais tias cov efficiency ntawm lub abrasive siv grinder yog siab dua lwm yam cuab yeej tshuab. Nyob rau hauv xyoo tas los no, kev siv tus nqi ntawm abrasive siv sib tsoo tshuab yog tseem txhim kho. Raws li kev sim cov ntaub ntawv, thaum cov hlau tshem tawm tus nqi sib npaug ntawm tib lub ntsej muag grinder, lub zog siv ntawm lub tshuab siv abrasive yog 3 zaug tsawg dua li ntawm kev sib tsoo lub log, thiab lub zog siv tus nqi ntawm txoj siv abrasive grinder yog siab li 96%.
2. 3, tus nqi ntawm txoj siv sib tsoo yog tsawg
Nrog rau txoj kev loj hlob ntawm kev tshawb fawb thiab thev naus laus zis, kev siv thev naus laus zis ntawm kev tsim cov xuab zeb siv kuj tseem siab dua, kev pab cuam lub neej ntawm cov xuab zeb siv tau nce mus rau 812 teev, thiab tus nqi tau txais pheej yig dua thiab pheej yig dua. Lub tshuab cuab yeej xav tau rau kev sib tsoo siv lub tshuab tuaj yeem yog lub tshuab zoo tib yam, uas muaj cov qauv yooj yim thiab tus nqi qis. Vim tias muaj kev sib tsoo siab thiab kev ua haujlwm luv luv ntawm txoj siv abrasive, txoj siv tawv abrasive tuaj yeem ua haujlwm ntau dua thaum lub log sib tsoo thiab txoj siv abrasive yuav ntawm tib tus nqi.
4, siv sib tsoo rau "txias" sib tsoo thiab elastic sib tsoo
Txawm hais tias nws yog lub log sib tsoo los yog siv txoj siv, cov cua sov yuav raug tsim thaum lub sij hawm sib tsoo, uas ua rau muaj qhov kub ntawm qhov sib tsoo, thiab qhov kub thiab txias tau nce nrog qhov nce ntawm qhov sib tsoo qhov tob. Vim yog cov qauv tshwj xeeb ntawm txoj siv abrasive, kev sib tsoo cov cua sov tsim tawm tsawg dua, qhov sib txawv ntawm cov khoom abrasive yog loj, cov khoom abrasive nyob rau hauv qhov chaw thiab huab cua sib cuag lub sij hawm ntev, yooj yim rau dissipate lub sib tsoo kub, yog li cov abrasive. Txoj siv sib tsoo kub hloov pauv yog maj mam, kom nws qhia tau hais tias cov yam ntxwv ntawm "txias sib tsoo". Lub abrasive siv sib tsoo kub yog tsawg, thiab kev sib tsoo kub ntawm lub workpiece nto yog txo. Qhov kub ntawm kev sib tsoo log nce pom tseeb nrog qhov nce ntawm kev sib tsoo qhov tob los yog ncua sij hawm sib tsoo. Piv nrog rau kev sib tsoo log, lub softness ntawm cov xuab zeb siv yog zoo heev, kev sib tsoo ceev yog ruaj khov, thiab elastic roj hmab hu log tsis rhiab rau vibration teb, thiab nws yog ib qho yooj yim mus cuag siab stability sib tsoo.
3, daim ntawv thov ntau Daim ntawv thov ntau yam ntawm kev sib tsoo txoj siv tawv yog tus cwj pwm los ntawm kev hloov tau zoo, raws li hauv qab no:
3.1, haum rau kev ua ntawm ntau yam duab ntawm qhov chaw
Nyob rau hauv cov txheej txheem sib tsoo, cov duab dav dav ntawm cov khoom siv thiab cov khoom sib tsoo tuaj yeem raug ntxiv, tab sis rau cov duab tshwj xeeb ntawm cov khoom, nws yog qhov nyuaj kom tau txais cov kev cai nrog kev sib tsoo.
(1) Plate processing: daim ntawv qhov chaw, tshwj xeeb tshaj yog thaum lub dav yog loj, nws yog ib qho nyuaj rau txheej txheem nrog sib tsoo log. Qhov siab tshaj plaws ntawm abrasive siv sib tsoo tuaj yeem ncav cuag 4.9 meters.
(2) Kev sib tsoo tshwj xeeb ntawm qhov chaw sib tsoo: Hauv kev sib tsoo ntawm qhov tshwj xeeb zoo li qhov hloov pauv (xws li qhov chaw nkhaus, tso tsheb hlau luam thiab phau ntawv xov xwm loj, thiab lwm yam), kev sib tsoo siv yog ib txoj hauv kev ua tau zoo thiab ua haujlwm siab. Raws li ib yam ntawm cov cuab yeej hloov tau yooj yim, txoj siv tawv abrasive tuaj yeem hloov kho txoj haujlwm nrog kev hloov pauv ntawm cov duab ntawm lub workpiece thiab lub log thiab cov phaj sib tsoo, kom tau txais cov txiaj ntsig zoo dua.
(3) Kev ua pob: Rau lub pob nrog ib qho kev sib tw thiab qhov chaw roughness, tsuas yog kev sib tsoo ntawm cov xuab zeb siv tau yooj yim tuaj yeem tau txais kev ua haujlwm zoo.
(4) Kev ua haujlwm ntawm cov khoom siv tsis yog-clamping hauv paus: xws li lub thawv maus taus roj av npog, tsis yog lub hauv paus clamping tsis zoo, tab sis kuj yog cov phab ntsa nyias, thiab cov cuab yeej clamping yog ib qho yooj yim rau deformation thiab tawg thaum siv lub log sib tsoo. , uas yog ib qho yooj yim uas yuav ua rau cov roj to thaum lub sij hawm siv lub thawv roj av. Vim li no, tsuas yog siv txoj siv tawv abrasive sib tsoo.
3. 2, haum rau kev sib tsoo ntawm ntau yam ntaub ntawv
Nws tsis yog tsuas yog haum rau kev ua cov hlau cam khwb cia hlau thiab steel qhov chaw, tab sis kuj rau kev sib tsoo ntawm txhuas, tooj liab, nyiaj thiab lwm yam alloy qhov chaw nrog ntau dua viscosity. Yog tias siv lub log sib tsoo, cov chips ntawm cov ntaub ntawv no yooj yim heev los thaiv qhov sib txawv ntawm lub log sib tsoo, ua rau lub log sib tsoo tsis zoo.
3. 3. Siv abrasive sanding siv los zom thiab txiav burrs
Siv sanding siv sib tsoo rau cov punch burrs tuaj yeem tshem tawm burrs yooj yim thiab xyuas kom meej tias nws qhov chaw tsis khawb. Nws tuaj yeem pom tau tias piv nrog kev sib tsoo log sib tsoo, abrasive siv sib tsoo yog qhov tseeb ntawm kev ua haujlwm nrog cov khoom zoo, kev ua haujlwm siab, kev siv tsawg thiab kev siv dav. Txawm li cas los xij, nyob rau hauv Suav teb, vim yog cov thev naus laus zis tsawg, ua rau kev tsim cov xuab zeb siv lub neej luv luv, cov lus qhia tshwj xeeb thiab ntau yam tsis sib xws; Kev ua haujlwm tsawg tsawg ntawm txoj siv sib tsoo thiab tsis muaj kev tshawb fawb txaus ntawm txoj kev xav ntawm txoj siv kev sib tsoo tshuab txwv tsis pub siv ntxiv thiab nrov ntawm txoj siv sib tsoo hauv peb lub tebchaws. Tam sim no, nrog rau txoj kev loj hlob sai ntawm abrasive siv sib tsoo tshuab txawv teb chaws, abrasive siv sib tsoo tau pib tsim nyob rau hauv cov kev taw qhia ntawm muaj zog abrasive siv sib tsoo. Nws tuaj yeem kwv yees tias tau tsav los ntawm kev sib tw thoob ntiaj teb, Tuam Tshoj txoj siv tawv abrasive sib tsoo yuav tsim ntxiv thiab siv dav hauv kev lag luam machining.
Yog tias koj xav tau txoj siv xuab zeb, thov mus saib hauv lub vev xaib hauv qab no:
