Cov txheej txheem polishing feem ntau yog siv los txo qhov roughness ntawm workpieces. Thaum xaiv cov txheej txheem polishing rau hlau workpieces, ntau txoj kev tuaj yeem xaiv raws li qhov xav tau sib txawv. Niaj hnub no, kuv yuav qhia rau koj ib co ntau txoj kev ntawm polishing txheej txheem.
1. Mechanical polishing
Mechanical polishing yog ib txoj kev polishing kom tau ib tug du nto los ntawm kev tshem tawm cov convex qhov chaw tom qab polishing los ntawm kev txiav thiab yas deformation ntawm cov khoom nto. Feem ntau, oilstone strips, wool log, sandpaper, thiab lwm yam. Kev tuav haujlwm yog txoj hauv kev tseem ceeb. Rau qhov tshwj xeeb xws li qhov chaw ntawm lub cev teb, cov cuab yeej pabcuam xws li turntables tuaj yeem siv. Ultra precision polishing tuaj yeem siv rau cov neeg uas xav tau qhov zoo ntawm qhov chaw. Ultra precision sib tsoo thiab polishing yog siv cov cuab yeej tshwj xeeb abrasive, uas yog nias tawm tsam lub tshuab ua haujlwm ntawm lub tshuab ua haujlwm hauv kev sib tsoo thiab polishing kua uas muaj cov ntaub ntawv abrasive los ua kev sib hloov ceev. Nrog rau cov thev naus laus zis no, ra0.008 tuaj yeem ua tiav μ M UM yog qhov siab tshaj plaws ntawm ntau txoj kev polishing. Txoj kev no feem ntau yog siv rau hauv optical lens pwm.
2. Tshuaj polishing
Tshuaj polishing yog ua kom lub micro convex ib feem ntawm qhov chaw ntawm cov khoom dissolve zoo dua li cov concave ib feem nyob rau hauv cov tshuaj nruab nrab, thiaj li yuav tau ib tug du nto. Lub ntsiab kom zoo dua ntawm txoj kev no yog tias nws tsis xav tau cov cuab yeej nyuaj, thiab tuaj yeem polish workpieces nrog cov duab nyuaj, thiab tuaj yeem polish ntau workpieces tib lub sijhawm, nrog kev ua haujlwm siab. Cov teeb meem tseem ceeb ntawm cov tshuaj polishing yog kev npaj cov kua polishing. Qhov saum npoo roughness tau los ntawm tshuaj polishing feem ntau yog 10 μ m.
Kev siv lub tshuab polishing
3. Electrolytic polishing
Lub hauv paus ntsiab lus ntawm electrolytic polishing yog tib yam li cov tshuaj polishing, uas yog, qhov saum npoo yog ua kom du los ntawm kev xaiv dissolving cov me me convex qhov chaw ntawm cov khoom. Piv nrog tshuaj polishing, cov nyhuv ntawm cov tshuaj tiv thaiv cathode tuaj yeem raug tshem tawm thiab cov nyhuv zoo dua. Cov txheej txheem electrochemical polishing tau muab faib ua ob theem:
(1) Macro leveling: cov khoom yaj diffuses rau hauv electrolyte, thiab geometric roughness ntawm cov khoom nto txo, RA > 1 μ m.
(2). Tsawg lub teeb thiab anode polarization, nto lub teeb ci zoo tuaj, RA <1 μ="">
4. Ultrasonic polishing
Lub workpiece yog muab tso rau hauv lub abrasive ncua kev kawm ntawv thiab muab tso rau hauv lub ultrasonic teb ua ke, thiab lub abrasive yog av thiab polished nyob rau hauv lub workpiece nto los ntawm oscillation ntawm lub ultrasonic yoj. Lub macro quab yuam ntawm ultrasonic machining yog me me thiab yuav tsis ua rau workpiece deformation, tab sis nws yog ib qho nyuaj rau ua thiab nruab tooling. Ultrasonic machining tuaj yeem ua ke nrog cov tshuaj los yog electrochemical txoj kev. Nyob rau hauv lub hauv paus ntawm kev daws corrosion thiab electrolysis, ultrasonic kev co yog siv los do cov tshuaj cais cov khoom yaj nyob rau saum npoo ntawm lub workpiece, thiab corrosion los yog electrolyte nyob ze ntawm qhov chaw yog uniform; Cov nyhuv cavitation ntawm ultrasonic yoj hauv cov kua kuj tuaj yeem cuam tshuam cov txheej txheem corrosion, uas yog qhov zoo rau qhov ci ntsa iab.
5. Dej polishing
Cov kua polishing tso siab rau cov kua dej ceev ceev thiab cov khoom abrasive nqa los ntawm nws los txhuam cov workpiece nto kom ua tiav lub hom phiaj ntawm polishing. Cov txheej txheem muaj xws li abrasive dav hlau machining, kua dav hlau machining, hydrodynamic sib tsoo, thiab lwm yam. Hydrodynamic sib tsoo yog tsav los ntawm hydraulic siab kom cov kua nruab nrab nqa abrasive hais ntws rov qab los ntawm workpiece nto ntawm kev kub ceev. Qhov nruab nrab yog tsim los ntawm cov khoom tshwj xeeb (polymer zoo li cov khoom) nrog zoo flowability nyob rau hauv qis siab thiab tov nrog abrasive. Cov abrasive tuaj yeem yog silicon carbide hmoov.
6. Sib nqus abrasive polishing
Sib nqus abrasive polishing yog siv cov hlau nplaum abrasive los tsim cov txhuam txhuam hauv qab qhov kev txiav txim ntawm cov hlau nplaum kom zom cov khoom ua haujlwm. Txoj kev no muaj kev ua haujlwm siab, ua haujlwm zoo, tswj tau yooj yim ntawm kev ua haujlwm thiab kev ua haujlwm zoo. Nrog rau abrasive kom zoo, qhov roughness ntawm qhov chaw tuaj yeem ncav cuag ra0.1 μ m.