Dab tsi yog qhov kev xav tau ntawm qhov roughness rau hlau 3D luam ntawv hauv kev lag luam sib txawv?

Ib, Qhov tseem ceeb ntawm kev lag luam thiab kev lag luam cuam tshuam ntawm nto roughness.
Surface roughness (Ra) yog ib qho kev ntsuas tseem ceeb ntawm qhov chaw micro-geometric duab. Tus lej uas tuaj rau nws ncaj qha cuam tshuam qhov zoo ntawm cov khoom tiv thaiv hnav, corrosion, qaug zog, thiab sealing. Thaum koj 3D luam ntawv nrog hlau, tus nqi Ra cuam tshuam los ntawm cov khoom xws li qhov loj ntawm cov hmoov av, cov tuab ntawm cov txheej, lub zog ntawm lub laser, thiab cov txheej txheem scanning. Piv txwv li, hmoov zoo (15-45 μ m) tuaj yeem muaj tus nqi Ra tsawg li 3-5 μ m vim tias nws ntws zoo thiab ua rau lub pas dej ntws sib npaug. Ntawm qhov tod tes, cov hmoov coarse (53–105 μ m) feem ntau muaj Ra qhov tseem ceeb ntawm 8 thiab 12 μ m vim tias lawv cov khoom loj dhau.
Feem ntau, Ra qhov tseem ceeb ntawm cov ntawv luam tawm uas tsis tau ua kom zoo yog nyob nruab nrab ntawm 7 thiab 20 μm. Qib no tuaj yeem ua tau raws li qhov xav tau ntawm kev lag luam feem ntau, txawm hais tias muaj kev pheej hmoo ua haujlwm loj hauv kev lag luam siab - kawg.
Aerospace: Cov chaw ntxhib tuaj yeem ua rau muaj kev ntxhov siab, uas tuaj yeem ua rau cov hniav tawg sai sai thaum lawv nyob rau hauv qhov kub thiab txias.
Kev cog hniav kho mob: Ra qib siab dua 3.2 μm nce qhov txaus ntshai ntawm cov kab mob uas ua rau lawv thiab tuaj yeem ua rau muaj kab mob tom qab phais;
Consumer electronics: Nto roughness tuaj yeem ua rau nws nyuaj rau qhov chaw kho qhov muag kom dhau lub teeb thiab txo qhov pom tseeb ntawm cov duab.
2, Cov kev xav tau thiab cov piv txwv ntawm kev lag luam sib txawv
1. Aerospace: Lub hom phiaj kawg ntawm Ra Tsawg dua lossis sib npaug ntawm 1.6 μ m
Lub aerospace sector muaj cov qauv nruj heev rau qhov yuav tsum tau muaj kev ntseeg siab npaum li cas. Piv txwv li, turbine blades yuav tsum muaj peev xwm tswj tau lub zog centrifugal ntawm 100,000 revolutions ib feeb ntawm qhov kub ntawm 1300 degrees Celsius. Txawm me ntsis nto flaws tej zaum yuav muaj kev txaus ntshai. Hauv lub ntiaj teb kev lag luam, nws tau tsim tias:
Cov txheej txheem txheej txheem: Txhawm rau txo qhov kev pheej hmoo ntawm qhov siab -kub oxidation txheej txheej txheej txheej txheej, Ra tus nqi ntawm qhov tseem ceeb yuav tsum khaws cia ntawm 0.8 thiab 1.6 μm.
Nyob rau hauv ib qho xwm txheej, laser xaiv melting (SLM) thev naus laus zis tau siv los luam ib leeg siv lead ua rau ib hom dav hlau cav. Tom qab ntawd, lub tshuab nqus tsev electro polishing tau siv los ua kom lub ntsej muag smoother, txo qhov roughness ntawm Ra12 m mus rau Ra0.8 m thiab nce lub neej qaug zog los ntawm 40%.
Txheej txheem innovation: Lub tshuab Huashu High Tech FS200M muaj 40 μ m zoo lub teeb chaw uas tuaj yeem luam Ra3.0 μ m qhov chaw ncaj qha. Qhov no ua tau raws li qhov xav tau ntawm kev lag luam aerospace rau kev tsim khoom loj ntawm cov khoom me me.
2. Kev kho mob cog: biocompatibility liab kab nrog Ra 3.2 m
Kev lag luam kho mob xav tau qhov chaw ntxhib vim tias lawv muaj kev nyab xeeb dua rau tib neeg thiab ua haujlwm zoo dua nrog lwm yam:
Orthopedic implants: Titanium alloy sib koom tes prostheses yuav tsum ua raws li cov qauv ntawm cov pob txha, nrog rau qhov chaw roughness tswj ntawm Ra1.5-2.5 μm los pab txhawb kev ua raws thiab kev loj hlob ntawm cov pob txha hlwb;
Kev cog hniav: Tus nqi Ra ntawm thaj av threaded yuav tsum tsawg dua lossis sib npaug li 3.2 μm; txwv tsis pub, kab mob kev loj hlob tuaj yeem ua rau peri implantitis.
Yunyao Shenwei tag nrho cov txheej txheem saw optimization (ultra- zoo hmoov sib kis + siab-precision kho qhov muag txoj kev tswj) muab qhov chaw zoo ntawm Ra0.8–2.8 μ m. Qhov no txhais tau hais tias implants tuaj yeem ncaj qha mus rau chav ua haujlwm yam tsis muaj kev ua haujlwm ntxiv.
3. Cov khoom siv hluav taws xob rau cov neeg siv khoom: Ra Tsawg dua lossis sib npaug ntawm 0.8 μ m yog qhov ntsuas qib kho qhov muag.
Kev thawb mus rau cov khoom me me thiab ntau lub zog hauv cov neeg siv khoom siv hluav taws xob yog qhov ua rau kev tshawb nrhiav rau qhov chaw du.
Qhov chaw kho qhov muag: Lub mount rau lub koob yees duab xov tooj ntawm tes yuav tsum muaj Ra ntawm 0.8 μ m lossis tsawg dua kom tsis txhob pom cov duab pom los ntawm lub teeb tawg.
Cov yam ntxwv ntawm cov khoom: Yuav kom lub laptop hinges tsis txhob hnav sai heev, lawv yuav tsum tau kho nrog qhov chaw uas muaj Ra ntawm tsawg dua 1.6 μ m.
Kev lag luam xyaum: Zhongrui Technology iSLM80P cov cuab yeej siv 25 m qhov chaw thiab dynamic hmoov kis tshuab luam ntawv micro antennas nrog Ra 3.2 m ncaj qha. Qhov no txo ​​qis rau kev tshaj tawm - lub sijhawm ua haujlwm los ntawm 80% piv rau cov qauv txheej txheem.
4. Lub zog thiab pwm: kev sib haum xeeb zoo ntawm tus nqi thiab Ra Tsawg dua lossis sib npaug ntawm 6.3 μ m
Hauv kev tsim cov khoom siv hluav taws xob thiab cov pwm, qhov roughness ntawm qhov chaw yuav tsum yog qhov sib xyaw zoo ntawm cov nqi thiab kev ua haujlwm:
Gas turbine combustion chamber: Nws yuav tsum muaj peev xwm tswj tau qhov kub thiab txias ntawm 1200℃thiab roj yaig. Qhov saum npoo roughness yuav tsum tau khaws cia ntawm Ra3.2 thiab 6.3 μm kom pom qhov cuam tshuam ntawm corrosion kuj thiab kev ua haujlwm zoo.
Txhaj pwm: Tus nqi Ra ntawm qhov kev sib haum xeeb txias channel qhov chaw yuav tsum tsawg dua lossis sib npaug li 6.3 μ m. Yog tias nws tsis yog, cov khoom yuav txawv txav vim nws tsis txias sib npaug.
Piv txwv li, SLM tshuab tau siv los luam ib hom tsheb pwm. Tshuaj polishing coj tus nqi Ra nqes los ntawm 15 μ m mus rau 6.3 μ m, uas ua rau cov pwm nyob ntev 30%.