As global manufacturing increasingly demands environmental protection, efficiency, and precision, laser cleaning-a revolutionary non-contact, pollution-free, high-precision surface treatment technology-is bringing a green revolution to the traditional wood products industry. Kev tshawb fawb pom tau hais tias los ntawm kev tswj cov laser tsis zoo (xws li wavelength, lub hwj chim, thiab mem tes dav), laser ntxuav tau zoo tshem tawm cov kab mob xws li xim, kua nplaum, av, thiab pwm los ntawm cov ntoo yam tsis muaj kev puas tsuaj rau cov ntoo substrate. Nws yog qhov tshwj xeeb tshaj yog tsim rau kev kho cov ntoo ua tiav, cov duab zoo nkauj, thiab keeb kwm artifacts. Tsis tas li ntawd, laser deg kev kho mob tuaj yeem hloov cov xim ntawm cov ntoo, txhim kho qhov chaw ntub dej, txhim kho cov khoom siv txheej txheej, thiab ua kom corrosion thiab mildew kuj. Saib tom ntej, nrog rau kev sib koom ua ke ntawm cov cuab yeej ntse xws li beam shaping, adaptive focusing, thiab tiag- lub sij hawm saib xyuas, ua ke nrog maj mam txo cov nqi khoom, laser ntxuav tshuab tau npaj los ua lub luag haujlwm tseem ceeb hauv siab- kawg rooj tog tsim khoom, keeb kwm kev tsim kho, thiab cov khoom siv ntoo remanufacturing tseem ceeb ntawm kev lag luam thiab kev lag luam. kev hloov pauv thiab kev kho dua tshiab.
Laser ntxuav nyob rau hauv lub Restoration ntawm Ntoo Carvings
Laser Cleaning vs. Ib txwm ntxuav: Cov ntsiab lus zoo ntawm Laser tu
Cov kev txwv ntawm Kev Tso Cai Ntoo Ntoo:
Kev lag luam khoom siv ntoo suav nrog ntau yam kev siv, los ntawm kev tsim cov rooj tog zaum thiab kho kom zoo nkauj architectural mus rau artisanal carving. Kev tu lub ntsej muag thaum tsim khoom yog qhov tseem ceeb heev. Cov txheej txheem tu ib txwm siv-xws li kev ua kom puas tsuaj, tshuaj lom neeg ua kom huv, thiab siab - ntxuav dej siab- feem ntau raug kev txom nyem los ntawm ntau qhov kev txwv. Cov txheej txheem no feem ntau xav tau cov khoom siv (piv txwv li, abrasives, tshuaj reagents), tsim cov khoom pov tseg thib ob, nce nqi ua haujlwm, tsis yooj yim rau automate, xav tau kev ua haujlwm siab, thiab tawm tsam kom muaj kev tu kom zoo. Raws li cov txheej txheem kev kho mob saum npoo av, laser tu muaj qhov zoo tshwj xeeb uas muab cov kev daws teeb meem tshiab rau kev daws cov teeb meem mob hauv kev lag luam ntoo. Laser tu tshuab siv siab-lub zog pulsed lasers los irradiate ntoo nto, instantly vaporizing los yog tshem tawm cov kab mob, xim, los yog oxide txheej thaum tawm hauv lub substrate tsis puas.
Cov txiaj ntsig tseem ceeb ntawm Laser Cleaning:
1. Precise Control:
Lub laser qhov chaw txoj kab uas hla tuaj yeem hloov kho rau 0.1-5 hli, ua rau nws tsim nyog rau kev kho thaj chaw ntawm cov ntoo nrog cov qauv nplej nyuaj.
2. Environmental Friendliness:
Tsis siv cov kuab tshuaj tshuaj, txo VOC emissions thiab ua raws li EU REACH ib puag ncig cov qauv.
3. Kev sib piv ua tau zoo:
Cov kev sim qhia tau hais tias kev tu 1 m² ntawm cov xim qub los ntawm ntoo siv sijhawm 3-5 feeb xwb, txhim kho kev ua haujlwm tau zoo los ntawm 50% piv rau cov tshuab xuab zeb.
Mechanism ntawm Laser Ntxuav:
Photothermal Effect (Ablation): Thaum cov khoom paug nqus tau siab - lub zog laser beam, lawv qhov kub thiab txias nce siab hauv lub sijhawm luv luv (nanoseconds lossis picoseconds), tshaj lawv qhov chaw vaporization lossis kub kub. Qhov no ua rau tam sim ntawd evaporation lossis thermal expansion, tso cai rau cov khoom paug tawm ntawm lub substrate nto nyob rau hauv daim ntawv ntawm ib tug shockwave. Qhov no mechanism yog tshwj xeeb tshaj yog zoo rau tshem tawm cov xim, nplaum residues, thiab hnyav av los ntawm cov ntoo.
Photochemical Effect: Rau qee yam kab mob tshwj xeeb, siv luv luv - wavelength lasers xws li ultraviolet (UV) lub teeb tso cai rau lawv ib leeg siab -photon zog los ncaj qha cuam tshuam cov tshuaj lom neeg cov kuab paug, decomposing lawv mus rau hauv volatile me me - cov tshuaj molecule. Qhov no ua rau tsis yog -thermal "txias" ablation. Txoj kev no ua rau cov cheeb tsam muaj cua sov tsawg thiab yog qhov tsim nyog rau kev kho cua sov- cov ntoo rhiab heev thiab cov khoom muaj txiaj ntsig zoo.
Cov txheej txheem tseem ceeb hauv Wood Laser Cleaning: Customized, Tsis yog -Kev ntxuav tu
Qhov kev ua tau zoo ntawm laser tu tsis yog txiav txim los ntawm ib qho tseem ceeb, tab sis yog los ntawm kev sib xyaw ua ke ntawm cov tsis muaj xws li wavelength, lub zog, mem tes ntev, thiab scanning ceev. Xaiv qhov sib xyaw ua ke tsim nyog ntawm cov khoom siv ntoo yog qhov kev sib tw tseem ceeb kom ua tiav kev ua tau zoo, tsis yog - ua kom puas tsuaj. Qhov kev xaiv ntawm laser txiav lub wavelength.
Nd: YAG Laser (1064 nm): Qhov no tam sim no yog hom siv dav tshaj plaws. Nws muaj qhov nqus tau zoo rau ntau yam kab mob xws li xim, xeb, thiab roj stains, thiab muaj qhov nkag mus rau hauv ntoo. Nws tau raug pov thawj zoo rau kev tu cov ntaub ntawv mos, suav nrog ntoo.
CO₂ Laser: Ntoo muaj qhov nqus tau siab heev ntawm qhov kev sib tw no, ua rau nws feem ntau haum rau kev txiav thiab engraving ntoo. Kev ceev faj heev yuav tsum tau siv thaum siv nws los ntxuav daim ntaub ntawv, vim nws tuaj yeem ua rau cov substrate charring yooj yim.
Ultraviolet (UV) Laser: Siv cov nyhuv photochemical rau "kev ua haujlwm txias," ua kom muaj kev cuam tshuam thermal tsawg. Nws yog qhov theoretically zoo heev- haum rau kev kho cov khoom muaj txiaj ntsig thiab cua sov- cov khoom siv ntoo rhiab heev, txawm tias cov khoom siv raug nqi siab dua.
Lub zog thiab lub zog ntom ntom: Lub zog muaj zog ntau dhau tuaj yeem ua rau cov ntoo nto char, discolor, los yog ignite. Kev tshawb fawb tau qhia meej tias thaum siv 1064 nm laser los ntxuav cov khoom ntoo, lub zog ceev yuav tsum tau tswj nruj me ntsis hauv qab 1.5 J / cm² kom tsis txhob muaj kev puas tsuaj rau cov ntoo.
Pulse Duration: Lub sijhawm luv luv (piv txwv li, nanoseconds ns, picoseconds ps), lub zog ntau dua ntawm lub zog laser ua rau ntawm qhov chaw, thiab qhov tsis tshua muaj tshwm sim ntawm cov cua kub diffusion mus rau hauv lub substrate - ua rau thaj tsam me me thermal cuam tshuam. Rau cov cua sov-sensitive ntoo, siv luv- mem tes los yog ultra- luv- mem tes lasers yog qhov tseem ceeb kom ua tiav qhov tseeb, tsis yog - ua kom puas tsuaj.
100W-300W Pulsed Laser Cleaner rau xim & xeb tshem tawm
Scanning Speed thiab Repetition Rate: Ob qhov kev ntsuas no sib koom ua ke txiav txim siab kev ua haujlwm huv thiab thermal tsub zuj zuj. Yog tias qhov ntsuas nrawm dhau qeeb lossis qhov rov ua dua siab dhau, lub laser yuav rov ua dua ntawm tib qhov chaw, yooj yim ua rau ntoo charring. Hloov chaw, qhov no yuav ua rau kev tu tsis tiav.
Laser ntxuav hauv kev lag luam khoom ntoo: Cov ntawv thov loj heev
Kev siv nws cov txiaj ntsig thev naus laus zis, kev ntxuav laser qhia tau zoo heev rau daim ntawv thov muaj peev xwm hla ntau ntu ntawm cov khoom lag luam ntoo. Cov xwm txheej tseem ceeb ntawm daim ntawv thov muaj xws li:
1. High-Xaiv cov rooj tog zaum kawg Manufacturing thiab Remanufacturing: Hauv kev tsim cov rooj tog zaum, kev ntxuav laser tuaj yeem tshem tawm cov nplaum ntau dhau uas oozes tawm tom qab vaj huam sib luag ntug -banding, ua ntej- kho MDF npoo los txhim kho cov nplaum nplaum, lossis strip cov xim qub rau kev kho dua tshiab. Nws tsis yog-kev puas tsuaj tiv thaiv cov ntoo muaj txiaj ntsig. Lasers tseem tuaj yeem tshem tawm cov impurities xws li resin thiab pwm stains los ntawm cov ntoo saum npoo, txhim kho cov txheej tom ntej adhesion. Piv txwv li, tom qab kev kho laser, cov xim adhesion xeem rau cov ntoo thuv txhim kho los ntawm Qib 2 mus rau Qib 4 (raws li ASTM D3359 tus qauv).
2. Restoration of Historic Buildings and Wooden Cultural Artifacts: Qhov no sawv cev rau ib qho ntawm qhov siab tshaj - daim ntawv thov qhov chaw rau laser ntxuav tshuab. Rau intricate ntoo carvings thiab hniav moldings nrog complex textures, tsoos cov cuab yeej yog ib qho nyuaj rau nkag tau thiab yooj yim ua rau kev puas tsuaj. Laser tu tuaj yeem xaiv tshem tawm cov txheej txheem oxidation yam tsis muaj kev puas tsuaj rau cov ntoo qub. Ib qho kev tshawb fawb los ntawm lub koom haum German Fraunhofer tau pom tias 20W fiber ntau laser ua haujlwm ntawm 0.1 mm / s tuaj yeem tshem tawm 90% ntawm cov pwm stains los ntawm cov ntoo thuv, thaum ntoo qhib yuav tsum muaj zog dua (txog 40W) vim nws qhov ntom ntom dua. Lub 1064 nm wavelength laser ua tiav qhov kev tu qhov tob ntawm tsawg dua 0.05 hli ntawm ntoo qhib.
3. Kev ntxuav ntawm cov ntoo pwm: Hauv cov txheej txheem xws li kub nias ntawm ntoo, pwm feem ntau khaws cov residual resin thiab adhesives. Laser tu enables sai, npaum pwm tu, yog li pab tau ntau lawm efficiency thiab cov khoom zoo.
Emerging Technology Trends thiab Industry Outlook
1. Kev txo nqi thiab kev lag luam nkag:
Raws li fiber ntau laser technology matures thiab domestic ntau lawm tus nqi nce, tus nqi ntawm laser tu cov cuab yeej yog tsawg xyoo los ntawm lub xyoo. Nws tau kwv yees tias nyob rau hauv 3-5 xyoo tom ntej no, tus nqi yuav pheej yig dua, ua rau me me - thiab nruab nrab - cov khoom lag luam ntoo los txais yuav cov thev naus laus zis, yog li tsav nws txoj kev saws me nyuam thoob plaws hauv kev lag luam.
2. "AI + Laser Ntxuav":
Artificial txawj ntse thiab tshuab kawm algorithms yuav raug muab tso rau hauv cov txheej txheem parameter optimization. Los ntawm kev cob qhia txog cov ntaub ntawv dav dav ntawm cov ntoo thiab cov kab mob, lub kaw lus yuav cia li pom zoo lossis ncaj qha teeb tsa kev ua haujlwm zoo, txo qis kev cia siab rau cov neeg siv kev paub dhau los thiab ua kom yooj yim siv tshuab.
3. Kev nthuav dav ntawm daim ntawv thov teb:
Laser thev naus laus zis kuj tseem tuaj yeem ua ke nrog kev hloov kho ntoo-piv txwv li, siv qis- lub zog laser irradiation los txhim kho hydrophilicity lossis hydrophobicity ntawm ntoo nto, yog li txhim kho lawv cov khoom ua haujlwm.
Laser tu tshuabsawv ntawm qhov kev sib tshuam tseem ceeb rau kev hloov pauv hauv kev lag luam khoom ntoo. Nws tsis yog tsuas yog lub tshuab ntxhua khaub ncaws, ua kom zoo dua, thiab cov cuab yeej kho qhov muag zoo dua, tab sis kuj yog sawv cev rau kev tsim khoom ntsuab raws li cov qauv kev txhim kho yav tom ntej. Raws li cov thev naus laus zis tseem tab tom loj hlob thiab nws qib kev txawj ntse txhim kho, laser tu yuav ua ntej ua tiav hauv siab -tus nqi- ntxiv rau thaj chaw xws li siab- kev tsim cov rooj tog zaum kawg, kev kho cov cuab yeej cuab tam, thiab kev ua haujlwm ntawm cov ntoo, thiab yuav maj mam nkag mus rau kev ua haujlwm ntawm cov ntoo.