Clear Machining Guide: PMMA vs PC|Dazao

Nyob rau hauv siab -stakes sectors ntawm kev kuaj mob, tsheb teeb pom kev zoo, thiab aerospace instrumentation, kev xaiv ntawm Acrylic (PMMA) thiab Polycarbonate (PC) yog tsis tshua muaj hais txog tus nqi- nws yog hais txog lub physics ntawm lub teeb thiab chemistry ntawm post- ua. Ntawm Xiamen Dazao Machinery, ibIATF16949-certified chaw, peb pom ntau puantshiab yas machiningtej yaam num ua tsis tiav nyob rau hauv lub tsim theem vim hais tias tus buyer kho transparency raws li ib tug singular khoom vaj tse.

Qhov tseeb ntawm cov yas machining ntshiab muaj qhov ntsuas qhov ntsuas qhov cuam tshuam tiv thaiv kev cuam tshuam, thiab cov cuab yeej - txoj kev tawm tswv yim tawm tsam cov tshuaj lom neeg thib ob. Phau ntawv qhia no muab kev sib sib zog nqus -Dhia DFM tsom xam los pab CPOs thiab engineers hauv kev ua cov ntaub ntawv- tsav kev txiav txim siab yuav khoom.

Optical Excellence: Acrylic (PMMA) Machining Protocols

Polymethyl Methacrylate (PMMA) tseem yog thawj qhov kev xaiv rau cov kav dej thiab cov khoom siv kho qhov muag vim nws 92% lub teeb kis tau tus mob. Txawm li cas los xij, nws qhov siab hardness ua rau nws tsis muaj npe nrov.

1. Zam kev tawg tawg hauv CNC Milling

PMMA coj zoo li iav thaum lub sij hawm siab - txiav ceev. Cov cuab yeej txheem geometries feem ntau ua rau micro-chipping ntawm qhov tawm ntawm kev txiav. Dazao sivib leeg-flute O-flute end millsnrog polished rakes kom txo qis kev sib txhuam thiab xyuas kom meej tias cov cua sov yog nqa tawm los ntawm cov nti, tsis yog ib feem. Ua tiav qhov kawg ntawm Ra 0.4 ua ntej polishing yog lub hauv paus rau siab -cov txiaj ntsig pom tseeb.

2. Qhov txwv ntawm Mechanical Polishing

Tsis zoo li PC, acrylic teb zoo heev rau pob zeb diamond polishing thiab phau ntawv buffing. Vim tias nws tsis soften ntawm qhov kub thiab txias, nws tuaj yeem polished rau daim iav tiav yam tsis muaj smearing lossis gumming uas plagues softer polymers.

Cov qauv kev ncaj ncees: Polycarbonate (PC) thiab Vapor Polishing Tech

Polycarbonate raug xaiv rau nws qhov kev tiv thaiv kev cuam tshuam -200 lub sij hawm muaj zog dua li iav-ua rau nws tus qauv rau kev tiv thaiv npog thiab cov vaj tse ntshiab. Tab sis qhov toughness no los nrog polishing se.

1. Thaum tshav kub kub-Induced Melting Problem

PC muaj qhov kub siab deflection qis dua PMMA. Thaum lub sij hawm ntshiab yas machining, yog hais tias tus spindle ceev thiab pub tus nqi tsis zoo synchronized, cov khoom yuav pos hniav nyob rau hauv lub cuab tam, uas ua rau ib tug mus tas li milky haze. Dazao engineers muab qhov tseem ceeb rau siab - cua txias tshaj cov kua coolant kom tswj cov khoom purity thaum lub sij hawm txiav.

2. Advanced Vapor Polishing PC txheej txheem

Txij li thaum PC nyuaj rau buff manually, peb sivvapor polishing PCcov txheej txheem. Los ntawm kev nthuav tawm lub tshuab ua haujlwm rau cov kuab tshuaj uas tswj tau (feem ntau yog methylene chloride), cov tawv nqaij ntawm lub PC melts thiab reflows rau hauv ib tug zoo meej du nto. Qhov no yog qhov tseem ceeb rau kev ua tiav qhov pom tseeb hauv cov kab noj hniav uas cov cuab yeej siv tshuab tsis tuaj yeem ncav cuag.

Material Performance Benchmarking (Metric)

Kev Ntsuam Xyuas Hauv Zej Zog: daws qhov Crazing thiab Stress Failures

Cov neeg tsim khoom hauv zej zog feem ntau tham txog qhov tsis ua tiav tam sim ntawm qhov tseeb ntawm lub lis piam tom qab xa khoom. Ntawm Dazao, peb tau txheeb xyuas thiab daws cov kev mob tshwm sim no los ntawm engineering- coj raws tu qauv.

Chemical Sensitivity Teeb meem:Qhov kev tsis txaus siab rov tshwm sim yog tias PC qhov chaw tawg tam sim ntawd tom qab tau so nrog Isopropyl Alcohol (IPA). Qhov no yog vim residual deg kev nyuaj siab los ntawm cov txheej txheem machining.

Yellowing Disappointment:Cov neeg siv feem ntau tshaj tawm tias vapor- polished qhov chaw tig daj. Qhov no yog tshwm sim los ntawm cov kuab paug paug.

Xov Failure Issue:Cov engineers feem ntau tawm tsam nrog cov xov tawg hauv cov yas ntshiab. PebDFM cov lus qhiaib txwm qhia kom tsis txhob tapered yeeb nkab threads hauv PMMA thiab siv cov xov ncaj nrog O-rings los faib kev ntxhov siab.

Dazao Standard: 3 Tsis yog-Cov kauj ruam sib tham kom meej qhov ruaj khov

Feem ntau lub khw muag khoom kho cov yas yas zoo li txhuas. Dazao siv ib qho tshwj xeeb tshaj tawm-machining workflow uas ua kom ntev -lub sij hawm muaj sia nyob.

1. Muaj tswv yim Degassing Cycle

Vapor polishing yoojyim cov kuab tshuaj seem nyob rau hauv lub polymer matrix. Yog tias xa tawm tam sim ntawd, cov kuab tshuaj no ua rau ncua sijhawm crazing. Dazao siv 24-teev degassing voj voog nyob rau hauv lub tshuab nqus tsev chamber kom ntseeg tau tias qhov chaw yog tshuaj lom neeg ruaj khov ua ntej ntim.

2. Kev Them Nyiaj Them Nqi Rau Qhov Nto Reflow

Vapor polishing yog cov txheej txheem rho tawm / ntxiv cov txheej txheem - nws tawm ntawm cov npoo ntse thiab tuaj yeem txo cov phab ntsa tuab txog li 0.03mm. Peb kho peb cov qauv CAD ntawm CAM theem kom them nyiaj rau qhov hloov khoom siv no, kom ntseeg tau tias koj qhov kev tiv thaiv ± 0.05mmtom qabpolishing tiav.

3. Kev nyuaj siab-Nyob rau hauv qhov kev nyuaj siab

Machining qhia txog cov cua sov hauv zos thiab cov neeg kho tshuab kev ntxhov siab. Dazao kawm tag nrho cov acrylic CNC qhov chaw thiab PC vaj tse rau ib tug multi-theem annealing cub voj voog. Cov txheej txheem no realigns lub polymer chains, txo qhov kev pheej hmoo ntawm spontaneous cracking thaum ib feem raug rau ntxuav cov neeg ua hauj los yog thermal cycling nyob rau hauv lub tshav pob.

Kev txiav txim siab Matrix: Xaiv txoj cai pob tshab Polymer

Xaiv PMMA (Acrylic) yog tias:

· Koj xav tau lub teeb kis tau yooj yim tshaj plaws (Lub teeb kav, Lenses).

· Ib feem yog rau cov khoom siv kho kom zoo nkauj lossis siv cov khoom siv uas khawb kuj yog qhov tseem ceeb.

· Ib puag ncig yog sab nraum zoov nrog UV raug siab.

Xaiv Polycarbonate (PC) yog:

· Ib feem yuav tsum muaj sia nyob ntawm qhov kev sim poob lossis siab - ib puag ncig cuam tshuam.

· Kev khiav hauj lwm kub yuav siab tshaj 90 degree.

· Lub geometry muaj cov channel sab hauv uas xav tau vapor polishing kom pom tseeb.

Xaus: Qhov tseeb dhau ntawm Transparency

Kev ua kom pom tseeb hauv kev siv cov yas ntshiab yog kev qhuab qhia engineering, tsis yog cov kauj ruam ua tiav. Los ntawm kev nkag siab txog kev sib cuam tshuam ntawm cov khoom siv kev ntxhov siab thiab tom qab- ua cov chemistry, Dazao xa cov khoom uas tuav lawv txoj kev ncaj ncees ntev tom qab lawv tawm hauv lub hoobkas.