Muaj pes tsawg hom iav machining muaj nyob rau hauv CNC machining thiab nyob rau hauv daim ntawv thov tswv yim?
Tig:Cov txheej txheem no suav nrog kev hloov lub workpiece ntawm lub tshuab dhos thaum lub cuab yeej txiav tshem tawm cov khoom los tsim cov duab cylindrical. Nws yog feem ntau siv los tsim cov cylindrical Cheebtsam xws li shafts, pins, thiab bushings.
Milling:Milling yog ib txoj hauv kev uas lub cuab yeej tig tau tshem tawm cov khoom siv los ntawm qhov chaw ua haujlwm ruaj khov los tsim ntau yam duab, xws li cov chaw tiaj tus, qhov chaw, thiab qhov sib txawv 3D contours. Cov txheej txheem no yog siv dav hauv kev tsim cov khoom siv rau kev lag luam xws li aerospace, automotive, thiab cov cuab yeej kho mob.
Sib tsoo:Kev sib tsoo suav nrog kev siv lub log abrasive los tshem tawm cov khoom ntawm lub workpiece. Cov txheej txheem no ua rau lub ntsej muag du thiab ua kom pom tseeb qhov tseeb. Nws yog feem ntau ua hauj lwm nyob rau hauv kev tsim cov high-precision Cheebtsam xws li bearings, gears, thiab tooling.
Drilling:Drilling yog txheej txheem ntawm kev tsim cov qhov nyob rau hauv ib lub workpiece los ntawm kev siv lub rotating tej cuab yeej. Nws yog siv nyob rau hauv ntau yam kev siv, nrog rau kev tsim cov cav blocks, aerospace Cheebtsam, thiab hluav taws xob enclosures.
Electrical Discharge Machining (EDM):EDM siv hluav taws xob tso tawm kom tshem tawm cov khoom siv los ntawm cov khoom ua haujlwm, ua kom muaj cov duab zoo nkauj thiab cov yam ntxwv nrog kev ua haujlwm siab. Nws yog feem ntau ua haujlwm hauv kev tsim cov pwm txhaj tshuaj, tuag-casting tuag, thiab cov khoom siv dav hlau.
Cov kev siv ntawm daim iav machining hauv CNC machining muaj ntau yam. Nws suav nrog kev tsim cov khoom siv rau ntau yam kev lag luam xws li aerospace, tsheb, khoom siv kho mob, hluav taws xob, thiab cov khoom siv. Cov txheej txheem no yog siv los tsim ntau yam ntawm cov khoom, los ntawm cov shafts yooj yim thiab brackets mus rau complex aerospace Cheebtsam thiab kev kho mob implants.
Kev ua daim iav hais txog qhov tseeb tias cov txheej txheem ua tiav tuaj yeem cuam tshuam cov duab zoo li daim iav. Qib no tau ua tiav qhov zoo ntawm qhov chaw zoo heev rau covmachining qhov chaw. Kev ua daim iav tuaj yeem tsis tsuas yog tsim kom muaj qhov zoo nkauj zoo nkauj rau cov khoom, tab sis kuj txo qis cov txiaj ntsig thiab ua kom lub neej qaug zog ntawm cov khoom ua haujlwm. Nws yog ib qho tseem ceeb heev nyob rau hauv ntau yam sib dhos thiab sealing qauv. polishing daim iav ua tshuab yog tsuas yog siv los txo qhov roughness ntawm lub workpiece. Thaum cov txheej txheem polishing raug xaiv rau cov hlau ua haujlwm, cov txheej txheem sib txawv tuaj yeem xaiv raws li qhov xav tau sib txawv. Hauv qab no yog ob peb txoj hauv kev ntawm polishing daim iav ua tshuab.
1. Mechanical polishing yog ib txoj hauv kev polishing uas cuam tshuam nrog kev txiav thiab deforming ntawm cov khoom siv kom tshem tawm qhov tsis zoo thiab tau txais qhov chaw du. Txoj kev no feem ntau yog siv cov cuab yeej xws li roj pob zeb strips, wool log, thiab sandpaper rau kev tuav haujlwm. Rau qhov tshwj xeeb zoo li lub ntsej muag ntawm lub cev teb, cov cuab yeej pabcuam xws li turntables tuaj yeem siv. Thaum qhov zoo ntawm qhov chaw yuav tsum tau siv, ultra-nplua sib tsoo thiab polishing txoj kev tuaj yeem siv. Superfinishing sib tsoo thiab polishing yuav tsum tau siv tshwj xeeb abrasives nyob rau hauv cov kua uas muaj abrasives, nias rau ntawm lub workpiece rau high-speed rotary suab. Siv cov txheej txheem no, qhov roughness ntawm Ra0.008μm tuaj yeem ua tiav, ua kom siab tshaj plaws ntawm ntau txoj kev polishing. Txoj kev no feem ntau yog siv rau hauv optical lens pwm.
2. Tshuaj polishing yog txheej txheem siv los ua kom yaj lub microscopic convex qhov chaw ntawm cov khoom nto hauv cov tshuaj nruab nrab, tawm hauv qhov chaw concave untouched thiab ua rau ib tug du nto. Txoj kev no tsis xav tau cov cuab yeej nyuaj thiab muaj peev xwm ntawm polishing workpieces nrog cov duab nyuaj thaum ua haujlwm zoo rau polishing ntau workpieces ib txhij. Qhov kev sib tw tseem ceeb hauv tshuaj polishing yog npaj cov polishing slurry. Feem ntau, qhov roughness ua tiav los ntawm tshuaj polishing yog nyob ib ncig ntawm kaum micrometers.
3. Lub hauv paus ntsiab lus ntawm electrolytic polishing zoo ib yam li cov tshuaj polishing. Nws suav nrog kev xaiv ua kom tawg qhov me me ntawm cov khoom siv saum npoo kom nws du. Tsis zoo li tshuaj polishing, electrolytic polishing tuaj yeem tshem tawm cov nyhuv cathodic thiab muab cov txiaj ntsig zoo dua. Cov txheej txheem electrochemical polishing muaj ob kauj ruam: (1) macroscopic leveling, qhov twg cov khoom tawg tau diffuses rau hauv electrolyte, txo cov geometric roughness ntawm cov khoom nto, thiab Ra ua ntau dua 1μm; thiab (2) micropolishing, nyob rau hauv qhov chaw yog flattened, lub anode yog polarized, thiab lub brightness saum npoo yog nce, nrog Ra yog tsawg dua 1μm.
4. Ultrasonic polishing yuav tsum tso lub workpiece nyob rau hauv ib tug abrasive ncua kev kawm ntawv thiab raug nws mus rau ultrasonic tsis. Cov nthwv dej ua rau cov abrasive zom thiab polish rau saum npoo ntawm cov khoomkev cai cnc qhov chaw. Ultrasonic machining exerts me me macroscopic quab yuam, uas tiv thaiv workpiece deformation, tab sis nws yuav nyuaj rau tsim thiab nruab qhov tsim nyog tooling. Ultrasonic machining tuaj yeem ua ke nrog cov tshuaj los yog electrochemical txoj kev. Siv ultrasonic kev co los do cov tshuaj pab nyob rau hauv detaching yaj cov khoom ntawm lub workpiece nto. Cov nyhuv cavitation ntawm ultrasonic tsis nyob rau hauv cov kua kuj yuav pab inhibit cov txheej txheem corrosion thiab pab kom nto brightening.
5. Cov kua nplaum polishing siv cov kua dej nrawm nrawm thiab cov khoom abrasive los ntxuav qhov chaw ua haujlwm rau polishing. Cov txheej txheem muaj xws li abrasive jetting, kua jetting, thiab hydrodynamic sib tsoo. Hydrodynamic sib tsoo yog hydraulically tsav, ua rau cov kua nruab nrab nqa cov khoom abrasive txav rov qab mus rau thoob plaws workpiece nto ntawm kev kub ceev. Qhov nruab nrab yog tsim los ntawm cov khoom sib txuas tshwj xeeb (polymer-zoo li cov khoom) nrog cov dej ntws zoo ntawm qhov qis qis, tov nrog abrasives xws li silicon carbide hmoov.
6. Daim iav polishing, tseem hu ua mirroring, sib nqus sib nqus, thiab polishing, suav nrog kev siv cov hlau nplaum abrasives los tsim cov txhuam txhuam nrog kev pab los ntawm cov hlau nplaum rau kev sib tsoo thiab kev 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.
Thaum siv cov abrasives tsim nyog, qhov roughness ntawm qhov chaw tuaj yeem ncav cuag Ra 0.1μm. Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias hauv kev ua cov pwm yas, lub tswv yim ntawm polishing yog qhov txawv ntawm qhov xav tau ntawm polishing hauv lwm cov lag luam. Tshwj xeeb, pwm polishing yuav tsum raug xa mus rau daim iav tiav, uas qhov chaw siab xav tsis yog ntawm cov txheej txheem polishing nws tus kheej nkaus xwb tab sis kuj nyob rau saum npoo flatness, smoothness, thiab geometric raug.
Nyob rau hauv sib piv, nto polishing feem ntau tsuas yog yuav tsum tau ib tug ci ntsa iab nto. Tus qauv ntawm kev ua daim iav tau muab faib ua plaub theem: AO = Ra 0.008μm, A1 = Ra 0.016μm, A3 = Ra 0.032μm, A4 = Ra 0.063μm. Txij li cov txheej txheem xws li electrolytic polishing, kua polishing, thiab lwm yam tawm tsam kom tswj tau qhov tseeb ntawm geometric ntawmCNC milling qhov chaw, thiab qhov zoo ntawm cov tshuaj polishing, ultrasonic polishing, sib nqus sib nqus thiab polishing, thiab cov txheej txheem zoo sib xws yuav tsis ua tau raws li qhov yuav tsum tau ua, daim iav ua ntawm precision pwm feem ntau yog nyob ntawm txhua yam polishing.
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Post lub sij hawm: Aug-28-2024