Xauv SLM 3D Luam Ntawv: Rov kho lub neej yav tom ntej ntawm kev tsim khoom

1. Dab tsi yog SLM? QHIB LUB CAJ HLI TSHIAB RAU 3D PRINTING

Raws li nthwv dej ntawm cov ntse tsim cov ntiaj teb lub ntiaj teb, cov tshuab ntxiv rau cov tshuab ntxiv yog kev lag luam ntau ntau yam hauv txoj kev tsis tsim nyog. Raws li ib qho ntawm cov tseem ceeb thev naus laus zis hauv daim teb no, SLM (xaiv lub laser melting) yog rov kho lub hauv paus ua haujlwm ntawm kev tsim kho niaj hnub nrog nws cov kev tawm tsam.

Cov tub ntxhais ntawm cov thev naus laus zis kev dag ntxias ntawm cov qauv digital, dhau los}} txheej txheej siv ntawm ib qho peb {{}} seem cov khoom. Tag nrho cov txheej txheem tsim qauv yog zoo li kev sib tham meej ntawm lub ntiaj teb digital thiab qhov chaw lub cev, sib pauv hloov tus qauv virtual rau hauv ib puag ncig kev tswj hwm.

Cov ntsiab lus tseem ceeb ntawm SLM Technology concompass cov ntsiab lus hauv qab no:

Txheej -} - Didonstruction cov txheej txheem ua ntej, tso lub hauv paus rau kev tsim khoom. Qhov kev txiav txim siab sib txawv no kov yeej cov kev txwv geometric ntawm kev ua yeeb yam, ua kom ua tiav cov qauv tshwj xeeb xws li cov kev ntsuas nyuaj thiab cov nyom ntws raws.

Cov ntaub ntawv kev txhim kho thaj chaw: Siv cov hmoov hlau tshwj xeeb xws li kev kho mob {}}} Cov qauv hlau txhuas yog tsim los ntawm kev ua tiav. Ib qho kev sib txawv ntawm cov txheej txheem crystal crystal crystal ib feem nyob hauv cov mouldtructure thiab vam meej cov khoom siv nrog cov khoom siv tshuab tshwj xeeb.

Cov khoom siv precision cov khoom siv: tag nrho cov txheej txheem muaj cov khoom tiv thaiv lub zog kom ntseeg tau, thiab kev tiv thaiv zoo nkauj rau kev tiv thaiv kev tiv thaiv kab mob tawm hauv kev cuam tshuam oxihab. Cov kab ke no ua haujlwm ua ke los ua ib qho ua tiav cov khoom lag luam digital.

Qhov kev tawm tsam no ua kom lub cev ua haujlwm ntawm kev tsim cov khoom uas nyuaj rau kev ua tiav kev siv tshuaj yeeb. Los ntawm cov dav hlau tshuab tuaj rau cov txheej txheem kev siv tshuaj kho mob, SLM kev cog lus ntawm kev tsim kho cov hlau thiab qhib kev kho tshiab hauv kev tsim khoom tshiab.

Ii. Dab tsi ua rau SLM sawv? Cov ncauj lus kom ntxaws ntawm nws cov cim tshwj xeeb

Raws li kev nkag siab tob ntawm cov ntsiab lus technical, qhov kev sib txawv ntawm cov kev ua si tau pom los ntawm SLM tau ua nws kev ua si {{} changer hauv kev lag luam niaj hnub. Cov thev naus laus zis no tau tawg los ntawm cov ciaj ciam ntawm kev tsim khoom lag luam yog feem ntau xav txog hauv tsib qhov tseem ceeb:

Siab precision thiab complex qauv raug

SLM Technology's micron - qib tshuab yog tau rov qab ua qauv rau cov qauv hlau. Nws lub tsom kwm laser nqaj precisely tswj lub pas dej molten orstenology, ua kom cov qauv tsim los ntawm cov txheej txheem ntawm cov nyom thiab microstructures. Kev tsim khoom ntawm cov dav hlau tshuab tshuab yog ib qho piv txwv ua piv txwv. Cov txheej txheem kev tawm tsam kom ua tiav ob qho tib si aerodynamic curves thiab internal txias channel, ua tiav qhov kev ua kom muaj zog thiab qhov ntev-} tus qauv kawm.

Ua txhaum los ntawm cov kev txwv ntawm cov tshuaj lom neeg geometry yog SM txoj kev sib tw tseem ceeb. Cov thev naus laus zis no tshem tawm cov kev xav tau ntawm cov cuab yeej cuam tshuam rau cov cuab yeej ua haujlwm, ua kom muaj cov txheej txheem dawb ntawm cov qauv ntawm cov qauv nyuaj thiab cov lus qhia tsis xwm yeem thiab cov nyom ntws tawm. Ib lub nkoj loj yog qhov tsim kho kom siv SLM, kev sib xyaw ua ke rau hauv ib qho tivthaiv. Qhov optimized sab hauv txaus kub channel morphology txhim kho cov roj sib xyaw ua ke.

Cov Khoom Siv Khoom Loj Siv

Tsis zoo li cov khoom siv pov tseg ntawm kev sib cav sib txawv tsim, SLM siv rau cov ntsiab lus sib txawv ntxiv rau cov khoom siv tau zoo. Hlau hmoov kav hlau ua dua tshiab mus txog cov qauv muaj kev pab cuam, nrog kev ua tau zoo tshwj xeeb hauv cov khoom lag luam hlau zoo. Lub tuam txhab siv tshuaj kho mob siv cov thev naus laus zis no los tsim cobalt {{chromium almoy pob txha pob txha ntxiv piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem tsooses.

Siv tshuab shl technology siv ib txheej -} txheej} txheej} txheej} txheej txheej melt thiab solidify hlau hmoov rau hauv cov duab uas xav tau. Thaum lub sijhawm tus txheej txheem no, cov hmoov hlau tsis sib xws tuaj yeem rov siv dua thiab siv dua, ua rau cov khoom pov tseg ntawm tsawg dua 5%. Qhov no tsis yog daws tau cov khoom siv siv, txo cov nqi cov khoom pov tseg, tab sis kuj cov nqi qis heev. Rau cov ntaub ntawv kim kim xws li titanium alloys thiab nickel {}} Cov khoom siv muaj txiaj ntsig zoo dua, muaj cov tuam txhab kom txuag tau cov nqi khoom tseem ceeb.

Cov Khoom Siv Zoo Tshaj Plaws

Tsis zoo li cov khoom siv pov tseg ntawm kev sib cav sib txawv tsim, SLM siv rau cov ntsiab lus sib txawv ntxiv rau cov khoom siv tau zoo. Hlau Hmoov Kuas Tus Nqi Them Mus Rau Cov Qauv Muaj Kev Pab Cuam Muaj Cov Qauv, nrog qhov tseem ceeb tshwj xeeb tshwj xeeb hauv kev ua lag luam hlau. Lub tuam txhab siv tshuaj kho mob siv cov thev naus laus zis no los tsim cobalt {{chromium almoy pob txha pob txha ntxiv piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem ib txwm muaj piv rau cov txheej txheem tsooses.

Tsis muaj pwm uas yuav tsum muaj cov pwm ua ke, luv heev ntawm cycles.

Cov qauv kev siv cov qauv ntau lawm yog kev hloov kho cov txheej txheem ib txwm muaj. Los ntawm - - lub voj voos ua los ntawm 3D ua qauv rau kev ua haujlwm ntawm lub cev xws li kev txhim kho pwm. SLM thev naus laus zis tsim ncaj qha los ntawm cov qauv digital. Tsuas yog import tsim cov qauv tsim 3D rau hauv SLM tshuab, uas ces melts hlau hmoov los ntawm txheej raws li cov ntaub ntawv los ua cov ntaub ntawv ncaj qha. Qhov no luv luv tus tsim - rau - Cov txheej txheem ua tiav ntau dua 70%. Nyob rau hauv kev lag luam automotive, sM siv tshuab tuaj yeem siv tau sai sai tsim cov prototypes rau cov qauv kev sib xyaw rau cov qauv tshiab, ua kom muaj kev sim ua haujlwm thiab kev ua kom zoo. Qhov no luv luv lub voj voog kev txhim kho thiab coj cov tsheb tshiab mus ua lag luam sai dua.

Mekas Raug

SLM Technology qhia tau cov txiaj ntsig tshwj xeeb hauv kev kho mob customization. Orthopedic kev cog lus ncaj qha raws li tus neeg mob cov ntaub ntawv cov ntaub ntawv uas tau ua tiav nrog tus neeg mob cov qauv anatomical. Lub tsev kho mob tertiary siv cov thev naus laus zis no los tsim cov khob khoos phis tawm tau muaj ntau tshaj tawm thiab rov qab siv dua. Qhov kev daws teeb meem tshuaj kho mob no yog rov kho dua tus txheej txheem ntawm Orthopedic.

Qhov kev coj ua ntawm cov kev siv thev naus laus zis yog tsim kev lag luam hauv kev lag luam: kev lag luam automotive Lub zog cov khoom siv hluav taws xob yog levour undlex cov channel tsim los txhim kho kev ua kom sov siab sib luag; Cov feem tshwj xeeb hauv Aerospace sector feem ntau yuav tsum tau tsim ntau lawm; Thiab kev lag luam precision kev lag luam yog tawg los ntawm kev ua tau zoo billenecks los ntawm microstructure kev tsim khoom. Tus ntoo khaub lig no -} Kev Lag Luam Kev Lag Luam Empowerment ua haujlwm txuas ntxiv mus nthuav dav cov peev xwm ntawm kev tsim khoom loj.

III. Qhov twg yog SLM thov? Nkag mus rau cov tub ntxhais kawm ntawv

SLM Technology muaj kev nkag siab tob rau cov txheej txheem kev lag luam niaj hnub no, kev tsim khoom, kev kho tsheb kho mob, pwm thiab cov khoom siv hluav taws xob.

Aerospace: siv nyob rau hauv lub caij nyoog ntawm kev sib qig thiab kev ua haujlwm siab

Hauv cov dav hlau tsim, SLM thev naus laus zis tau ua tiav kev hloov kho qhov sib tsoo hauv cov txheej txheem kev ua haujlwm. Cav Txuas Txuas Chamber siv tau siv cov txheej txheem monolithic moulding sib xyaw ua ke thaum tseem ua tiav qhov kev ruaj khov nyob hauv siab-}}}}} qhov chaw dej khov. Qhov tseem ceeb thauj khoom - Cov kab mob uas siv tau siv cov thev naus laus zis ua kom nruj thaum dhau txoj kev co kuaj.

Healthcare Healthy Lub Zog Hluav Taws Xob ntawm Cov Tshuaj Customized

Medical impant kev tsim kho yog undergoing ib qho kev hloov kho tus kheej. Porous titanium alloy pob txha fusion devices, customized raws li cov duab kho mob, ua tiav tshuab kev hloov kho kom haum rau cov kws kho mob hauv biomimetic. Hauv kev kho hniav ua, cov pa taws tsim siv SLM thev naus laus zis txhawb kev loj hlob ntawm kev txhim kho ntawm tes ntawm tes ntawm kev loj hlob ntawm tes,}} Lub sijhawm ua rau muaj kev ruaj khov. Cov ntaub ntawv kuaj mob los ntawm kev phais mob qhia tau tias kev phais mob tau siv cov kev txwv customized cuam tshuam ntau dua qhov tseeb thiab muaj kev soj ntsuam.

Kev tsim kho tsheb: Tsav tsheb ua tau zoo thiab kev sib cais nrawm dua

Lub zog hluav taws xob tshiab yog siab siv cov kws muaj peev xwm ntawm SM. Lub tsheb muaj khoom kim heev hluav taws xob hom kev tsav tsheb ua haujlwm siv cov tshuab no, sib xyaw ua ke cov qauv txias thiab sensor mounting cov qauv los kho cov kev tswj hwm cua sov thaum ua kom muaj kev sib khi ua haujlwm thaum ua kom muaj kev sib khi ua haujlwm thaum ua kom muaj kev sib khi ua haujlwm thaum ua rau kev sib khi ua haujlwm. Thaum lub sij hawm lub tswv yim kev txhim kho tsheb theem, engineers siv cov thev naus laus zis ua tiav cov qauv tsim qauv ntawm cov hnub, kev tsim kho kom luv.

Pwm thiab Kev Lag Luam Raug: Txhim kho kev ua haujlwm zoo thiab tsim qauv tshiab

Kev siv tshuab cua txias yog rov kho cov qauv pwm. Los ntawm kev tsim peb {- qhov seem yog nkhaus txias raws kev txhim kho hauv kev ua kom txias hauv qhov kev txhaj tshuaj txias ntawm nws cov kev txhaj tshuaj pwm. Qhov kev tsim qauv no muaj zog ntau lub voj voog moulding rau cov khoom yas thaum hais txog cov teeb meem khoom lag luam cuam tshuam nrog cov pwm uas tuaj pwm. Pwm lub neej kev sim qhia tias cov pwm tsim muaj cov tshuaj thev naus laus zis siv cov khoom siv txuas ntxiv hauv cov khoom siv txuas ntxiv siv cov txheej txheem ib txwm muaj. Kev tshawb fawb qhia tau tias kev ua kom haum pwm cov pwm ua kom siv cov tshuaj SLM txo 430 tuaj yeem txo cov khoom lag luam ntau lawm 20% thaum txhim kho cov khoom lag luam zoo thiab muaj qhov yog qhov tseeb.

Hauv kev tsim khoom lag luam ntawm cov khoom sib xyaw ua ke, cov txheej txheem SLM tuaj yeem sib xyaw ntau yam, txo cov kauj ruam thiab kev sib dhos cov khoom muaj kev cia siab thiab ua tau zoo. Piv txwv li, Aerospace sensor tsev thiab siab {1} precisity tsim, ntsib lub siab ua haujlwm, ntsib lub siab- kev xav tau ntawm kev lag luam lag luam.

Cov neeg siv khoom siv hluav taws xob: ua tiav qhov zoo tshaj ntawm lub teeb thiab meej

Hauv thaj teb ntawm Smart ntaus ntawv tsim lag luam, SLM Technology yog rov ua cov qauv tsim khoom rau cov txheej txheem ua kom haum. Nws yog tsim nyog tshwj xeeb rau cov kev ua kom nruj nrog cov kev xav tau rau cov khoom siv tau rau cov chaw thiab thauj khoom - breilions thav lug. Ib qho qee hom tshiab lub foldable khoom nta ib titanium alloy ib {}} pob khawm. Qhov kev sib tsoo no nyob rau hauv cov cuab yeej siv cov khoom siv tau tiav los ntawm micro - lattice qauv qauv tsim. Thaum tswj lub ultra {- Daim ntawv dhau mus, nws tau ua tiav 100,000 daws cov kev ntseeg tau yooj yim ntawm cov khoom siv tshuaj ntsuam cov khoom siv.

Qhov ntau tshaj plaws muaj txiaj ntsig ntawm cov txheej txheem tsim qauv no nyob hauv cov khoom lag luam sai sai. Leveraging ncaj qha -}}}}}}}}}}}}}}}}}}}}}}}}}}} Cov tuam txhab tsim tau sai sai ntawm cov khoom siv nyuaj. Cov tshuab tsim khoom ntse siv cov thev naus laus zis ua kom luv dua ntawm cov kev txhim kho cov khoom lag luam tshiab uas yog kev lag luam ib txwm muaj. Muaj peev xwm loj hlob no agile yog ua ib qho kev sib tw tseem ceeb hauv cov neeg siv khoom siv hluav taws xob.

IV. Dab tsi cov nyom? Tshawb nrhiav kev loj hlob nyuaj

SLM hlau 3D tshuab luam ntawv tshuab

Thaum SLM Technology tau pom pom tias muaj peev xwm thiab cov txiaj ntsig zoo nyob rau ntau thaj teb, nws kuj ntsib cov kev sib tw hauv cov txheej txheem muaj kev muaj tshuab. Tshuab kev sauv tau ntsib peb cov nyom tseem ceeb:

Cov nqi peev nyiaj tau yog qhov kev txwv loj, tshwj xeeb rau cov tshuab laser, uas tso siab rau ntawm cov khoom lag luam me me thiab nruab nrab. Cov hmoov ntau ntawm kev npaj cov hmoov hlau hlau ua rau cov khoom siv siab, thiab cov nqi ntawm cov hmoov tshwj xeeb alloy tsim ib qho tseem ceeb.

Qhov tshwj xeeb yuav tsum tau ntawm post - moulding ua tsim cov bottleneck. Cov qauv kev txhawb nqa yuav tsum tau precision khoom siv, thiab tshaj tawm - Cov txheej txheem zoo li kub siab rau cov kws tshaj lij tshwj xeeb. Cov txheej txheem ua tiav tseem yuav tsum tau ua qauv, tabkaum kev ua haujlwm ntawm loj {4} teev ntau lawm.

Muaj cov khoom siv uas twb muaj lawm tseem muaj lub peev xwm paub txog lawv lub peev xwm thev naus laus zis. Tshawb nrhiav rau cov txheej txheem sib xyaw ntawm cov ntaub ntawv tshwj xeeb xws li kev sib xyaw ua ke yog kev nce qib zuj zus, daws cov xwm txheej ntawm cov ntawv thov tshiab. Hmoov particle loj chaw khaws tswj cov tshuab tswj kev txuas ntxiv tseem yuav tsum tau ua kom tawg, thiab qhov muaj kev ruaj khov ntawm cov khoom sib txawv ntawm cov khoom muaj kev cuam tshuam.

Kev kov yeej cov kev cov nyom no uas muaj kev sib koom tes ua haujlwm: thiab cov neeg tsim khoom siv yuav tsum tau ua kom muaj kev pab cuam lub cev, thiab cov chaw ua lag luam uas yuav tsum tau tsim cov kab ke Tsuas yog los ntawm kev nce qib thev naus laus zis thoob plaws txhua txoj kev lag luam tau SLM tau SLM thev naus laus zis ua tiav cov kev muaj kev lag luam tiag tiag.

V. Lub neej tom ntej ntawm SLM tau nyob rau qhov twg? Saib tom ntej ntawm cov thev naus laus zis kev cia siab

Yuav kom kov yeej cov kev twb muaj cov roj ntsha uas twb muaj lawm, SLM txuas ntxiv hloov zuj zus raws peb qhov kev hloov tshiab tshiab:

Mult -} Laser Txoj Kev Txhim Kho Kev Luam Ntawv Kev Luam Ntawv thiab Loj

Tshiab -} Nplooj ntawv cov khoom siv tau tsim ntau {{1} Sharing kev sib koom tes ntawm cov tswv yim loj los ntawm kev faib cov teeb meem hluav taws xob. Qhov kev sib tw ua ke ua ke ua ke tsis yog surpirices lub zog ua haujlwm ntawm ib {laser tshuab tsis zoo los ntawm kev tswj hwm lub zog muaj zog. Qee cov cuab yeej ua tiav qib siab tam sim no tau nruab nrog ntau cov lasers, xws li Uniontech ntxiv cov khoom lag luam, txhim kho cov tshuab luam ntawv ntawm cov khoom loj.

Cov khoom siv thev naus laus zis nthuav dav cov ntawv thov

Cov kws tshawb fawb cov kws tshawb fawb tau thawb cov ciaj ciam ntawm cov hmoov hlau, tsim cov tshuab hluav taws xob tshiab tsim nyog rau ib puag ncig. Process breakthroughs in ultra-high-temperature-resistant intermetallic compounds are opening up new possibilities for manufacturing hot-end components in aircraft engines. Lub caij no, cov thev naus laus zis ua rau cov khoom siv ceramic- Cov ntaub ntawv gradient hlau tau ua tiav, muaj feem cuam tshuam kev faib khoom ntawm cov khoom siv.

Ntse Hloov Txhim Kho Kom Txhim Kho Cov Txheej Txheem thiab Kev Zoo

Kev yoog tswj cov tshuab raws li tshuab kev kawm algorithms yog rov sau cov khoom lag luam uas tsim khoom. Los ntawm tiag {{{1} Kev saib xyuas cov ntsiab lus xws li melt pas morpetor morphology thiab ntsuas kub, tuaj yeem hloov kho txoj kev. Ib qho sim sim platform tau ua tiav tag nrho cov txheej txheem ntawm cov txheej txheem, txo cov txheej txheem kom ua kom zoo mus rau ib feem kev ua tiav nrog cov qauv ib txwm ua. VI. Ntsiab lus: SM, lub cav transformate rau kev tsim khoom

Raws li kev koom tes thev naus laus zis rau kev tsim khoom niaj hnub, SLM yog rov kho dua tag nrho cov khoom muaj nuj nqis, los ntawm cov khoom tsim rau kev tsim khoom. Nws tsis tsuas yog teeb tsa cov qauv kev tsim qauv tab sis kuj tso cai tsim kev xav {}}} Enterts cov txheej txheem ntawm cov txheej txheem tsoos thiab tsom rau kev ua tiav cov kev daws teeb meem.

Qhov kev sib tw ntawm kev siv thev naus laus zis qhia tau tias SLM yog qhov sib xyaw hauv Is Taws Nem Hauv Aerospace teb, nws yog tsav kev txhim kho ntawm kev sib xyaw thiab cov txheej txheem sib xyaw ua haujlwm; Nyob rau hauv cov biomedical teb, nws yog enabling meej yoog raws kev yields rau tib neeg cov ntaub so ntswg; Thiab hauv cov khoom siv hluav taws xob, nws yog kev sib txuas tau tsav tsheb hauv kev sib pauv cua sov.

Qhov kev tsim khoom lag luam no yog spawning ib qho kev lag luam tshiab tshiab: Kev faib cov khoom lag luam hauv nruab nrab, thiab cov khoom lag luam kev tswj hwm tau ntau dua yog nkag mus rau lub ERA tag nrho. Rau cov tuam txhab tsim khoom, kev tsim cov tuam txhab kev siv tshuab tsis yog txhais tau tias muaj peev xwm ntau dua tab sis kuj tuav tus yuam sij kom tau txais kev nkag mus rau yav tom ntej kev sib tw ua lag luam.

Ntawm qhov chaw pib ntawm kev lag luam 4.0, SLM Technology yog tus yuam sij los qhib lub qhov rooj rau kev ntse tsim. Thaum ua kom tawg nyob rau hauv cov ntaub ntawv nruab resonate nrog cov kev hloov kho tus nqi, thiab thev naus laus zis ntawm cov saw kev sib tw hauv kev tsim khoom lag luam. Nws qhov kawg ntawm daim ntawv yuav rov qab ciaj ciam ntawm "chaw tsim khoom" thiab user hauv lub sijhawm tshiab ntawm tib neeg kev vam meej ntawm tib neeg.