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Umatshini wokusika iFayibha yeLaser yeCNC

Inkcazelo emfutshane:

Umzekelo: EFC 3015
iiNgeniso eziMgangatho:
1)1000W TruFiber Laser Resonator
2)Fast shuttle worktable 3000*1500
3)Beckhoff CNC inkqubo yolawulo
4) Ukupholisa kwamanzi kwi-laser resonator
5) Ukusika intloko ngokukodwa kwi-fiber laser
6)Inzwa yobude bohlobo lweCapacitance
7)Auto-program software ingakumbi laser cutting
8)umqokeleli wothuli
9)Inkqubo yokucoca igesi echanekileyo
10)Umbhobho wokusika uxinzelelo oluphezulu


Iinkcukacha zeMveliso

Iithegi zeMveliso

Intshayelelo yemveliso

I-EFC3015 CNC umatshini wokusika i-laser isetyenziselwa ikakhulu ukusika ipleyiti ecaba kunye nokulungiswa, ngenkqubo ye-CNC, umgca othe tye kunye negophe elibumbeneyo lemilo inokusikwa kwaye ikrolwe kwipleyiti. Iyakwazi ukusika ipleyiti yentsimbi yekhabhoni eqhelekileyo, ipleyiti yensimbi engenasici, ipleyiti yobhedu, ubhedu olutyheli kunye ne-aluminium, kunye nezinye isinyithi ezingenakukwazi ukusika ngokulula ngendlela eqhelekileyo yokucubungula.

EFC3015 CNC laser oomatshini ukusika abalinganiswa

I-EFC3015 CNC umatshini wokusika we-laser luhlobo olutsha lomatshini wokusika we-laser. Isakhiwo sinokuqina okuphezulu, ukuzinza okulungileyo, ukusebenza kakuhle kokusika kunye nokuchaneka okuphezulu komatshini. Iimveliso zokuguquguquka okuphezulu, ukhuseleko, ukusebenza lula kunye nokusetyenziswa kwamandla aphantsi. Kukwemveliso yokukhusela indalo, ubungakanani beplate esetyenzisiweyo: 3000 * 1500mm; kunye nekhaka lokhuseleko kunye netafile ye-shuttle. Uyilo olupheleleyo luhlangene kwaye lufanelekile.
Ukusetyenziswa okuphantsi - i-laser ayifuni igesi;
Ukusetyenziswa kwamandla aphantsi, ukonga amandla, ukukhuselwa kwendalo, ukusetyenziswa kwamandla aphantsi;
Isakhiwo semodyuli, inkqubo yokupholisa kunye nenkqubo yomthombo wokukhanya kunye nomthombo we-laser zihlanganiswe kunye;
Ukuzinza okuphezulu - amandla - inkqubo yokulawula impendulo yexesha kunye namandla e-laser, ukuzinza kwamandla 1%;
Iindleko zokugcinwa ziphantsi - intloko yefiber usebenzisa iteknoloji yokukhusela isibuko, ukuba ingcolile, idinga kuphela ukutshintsha i-lens yokukhusela;

Itekhnoloji ye-EFC 3015

A. ithatha isikhokelo esithe ngqo esithe ngqo, ngenisa i-arck drive echanekileyo, iqinisekisa ukuchaneka kwendawo kunye nokuphindaphinda.
B. I-Gantry uhlobo lwe-motor dual motor direct drive structure yenza ukuba isakhiwo sonke semveliso sidibanise, kwaye ukuqina kuhle, kunye nokuphakama kwawo wonke umatshini kuphantsi.

Ubume bemveliso

Umzimba ophambili udityaniswe ngeepleyiti zentsimbi, emva komatshini orhabaxa, ojongene noxinzelelo lokuguga. Ngomatshini ochanekileyo, ibonelela ngeqonga eliqinileyo kunye nenqanaba lenkqubo yokunyakaza.
Umqadi wamkela ulwakhiwo oluguquguqukayo, kunye nokwandiswa kwe-thermal eguquguqukayo kunye nomsebenzi wokucutha, ubalo-mali ngendlela ye-finite element. Amalungu e-Beam axhonywe ebhedini ngesikhokelo esichanekileyo sokuqengqeleka. Isikhokelo, igiya kunye ne-rack zixhotyiswe ngesigqubuthelo sokukhusela esiguquguqukayo, ukuze ugweme ukungcoliswa luthuli.
Imveliso ixhotyiswe nge-shuttle worktable, kulula ukuyilayisha kunye nokukhupha izinto xa usika. Ngaphantsi kwetafile esebenzayo exhotyiswe ngeendawo zokwahlula uthuli kunye ne-groove yokuqokelela imathiriyeli, ehambelana nemoto yokukhupha ivili, i-scraps inokungena ngokuthe ngqo kwinqwelo yokulahla inkunkuma.

1597676270_inkcukacha

TruFiber generator laser

I-Fiber laser ineempawu ze-infrared spectroscopy ekufutshane, umgangatho ogqibeleleyo we-beam, ukuhanjiswa kwefiber optical, ukusebenza kakuhle kokuguqulwa kwe-electro-optical njalo njalo.
(1) Ngomsebenzi wokubonisa ukukhanya kwelaser ebomvu.
(2) Ukusebenza okuphezulu kokuguqulwa kwe-electro-optic: ukusebenza kakuhle kwe-fiber laser electro-optic ukuguqulwa malunga ne-33%.
(3) Umthombo wempompo ye-fiber laser wenziwe ngamandla aphezulu emodyuli enye ye-semiconductor engundoqo, kwaye ixesha lokungaphumeleli kwe-avareji lincinci.
(4) Ukusebenza okuphezulu, into yokufudumala yangaphakathi iphantsi kakhulu xa kuthelekiswa ne-laser yendabuko, imfuno yamandla ombane kunye nokupholisa iyancipha kakhulu.
(5) Ijeneretha ye-laser ayifuni igesi esebenzayo, kukho kwilensi ngaphakathi kwaye ayifuni ukuyigcina, ayifuni ixesha lokuqala.

1597676384_inkcukacha-1

Beck Hoff CNC inkqubo yoLawulo

(1) Inkqubo yolawulo ye-CNC isebenzisa iWindows 7system, ukusebenza kuzinzile kwaye kuthembekile.
(2) I-torque enkulu ye-AC yedijithali ye-servo motor yokuqinisekisa ukuba ukuchaneka kwendawo yemveliso kunye nokusebenza okuguquguqukayo.
(3) Ukulinganisa imizobo.
(4) umsebenzi wokulawula amandla.
(5) Umsebenzi we-Leapfrog.
(6) Ukusika umsebenzi wokuskena.
(7) Umsebenzi wokucubungula obukhali.
(8) Umsebenzi wokunqumamisa, urekhoda ngokuzenzekelayo icandelo lenkqubo.
(9) Ukuhlolwa kwangaphambili kwenkqubo yeNC kunokutshintshwa kwangexesha lokwenene ukuze kulungiswe inkqubo yokuhlela.
(10) Hlela, lungisa nayiphi na imiyalelo kwinkqubo yokukhangela kwi..
(11) umsebenzi wokuzixilonga, i-alamu ngaphandle iboniswa kwi-interface yokusebenza.
(12) Ubungakanani be-workpiece bunokwandiswa kwaye buncitshiswe.
(13) Umsebenzi wokulungisa umfanekiso we-workpiece.
(14) Umsebenzi wokukhangela umphetho ozenzekelayo.
(15) Emva kokucima kombane, ulungelelwaniso lwangoku lunokurekhodwa kwaye lusetwe ngokuzenzekelayo emva kokuba umbane uvuliwe.

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Ukusika intloko

I-laser beam yenziwe nge-fiber optical, kwaye i-laser beam ihambelana ne-lens yokugxila. I-lens ekhuselayo efakwe kwisitulo sesibuko "sohlobo lokutsala", ukugcinwa kunye nexesha lokutshintshwa lifutshane kakhulu. Khetha intloko yokusika i-laser kunye ne-non-contact capacitive sensor, ukusebenza kuzinzile kwaye kunokwethenjelwa, kulula ukuyisebenzisa.
Iimpawu zezi zilandelayo:
(1) Ukusetyenziswa kweelensi zokukhusela uhlobo lwedrowa ukuququzelela ukutshintshwa ngokukhawuleza kweelensi ezikhuselayo zokukhusela i-lens ye-collimator kunye nokugxila kwi-lens.
(2) Intloko yokusika ixhotyiswe nge-Z axis ukuphakama kwesixhobo sokulandelela ngokuzenzekelayo esilawulwa yi-non-contact capacitive sensor. Kwinkqubo yokusika, indawo ehambelanayo phakathi kokugxilwa kwe-laser kunye nepleyiti inokulungelelaniswa ngokuzenzekelayo ngumgama phakathi kwendawo yokusebenza kunye nombhobho.
(3) Intloko yokusika i-laser inokubonelela ngenkqubo ye-CNC ngomqondiso wokuvulwa kwekhebula kunye nokungqubana kwentloko yokusika, njl.
(4) Uxinzelelo lwegesi lwe-2.5 MPa lunokuthi lube phantsi kokusikwa kwezinto zokucubungula njengensimbi engenasici.
(5) Amanzi apholileyo, ukusika igesi encedisayo, i-sensors, njl. Zonke zihlanganiswe kwintloko yokusika, ukunciphisa ngokufanelekileyo umonakalo kwiindawo ezingentla kwinkqubo yokusika, ukuphucula ukuzinza kwemveliso.

1597676503_inkcukacha-4

iinkcukacha

4.Isixhobo sokhuseleko:
Indawo yokucubungula ifakwe kwikhava yokukhusela kwaye inikwe ifestile yokukhusela ukukhusela umqhubi kwi-radiation laser.
5.Ukuqokelelwa kothuli:
Indawo yokusika ixhotyiswe ngombhobho wokufunxa uthuli lwesahlulelo, kwaye umqokeleli wothuli oqinileyo we-centrifugal usetyenziselwa ukususa uthuli nothuli. Ukubonelela nge-air blower kunye nobukhulu be-interface kunye ne-3 yemitha ye-hose, ityhubhu yokwandisa yenziwe ngumsebenzisi ngokwendawo, ubude bombhobho womoya bungaphantsi kweemitha ezili-10, i-air blower ingaphandle;
6.Amandla okuthintela ukuphazamiseka:
Ngenkqubo yolawulo yedijithali ephucukileyo, inamandla okumelana nokuphazamiseka. Inkqubo yombane ithatha ngokungqongqo i-anti-jamming design, ikhabhinethi yokulawula umbane yahlulwe yaba yimimandla eyomeleleyo kunye nebuthathaka, enokuthintela ngokufanelekileyo ukuphazamiseka phakathi kwamacandelo ombane, ngoko inokuqinisekisa ukusebenza okuthembekileyo kunye nokuzinza kweemveliso.
7.Ukukhanyisa:
Indawo yokusika ixhotyiswe ngezibane zokhuseleko ezimbini zokhuseleko, ezinokubonelela ngokukhanya xa ukukhanya kunganele okanye kugcinwe, okwenza umsebenzi ube lula ngakumbi.
8.Amalungu ombane:
Amacandelo ombane usebenzisa i-Schneider kunye nezinye iimveliso ze-Brand Company zamazwe ngamazwe ezaziwayo, ziphucula kakhulu ukuthembeka kokusebenza. Ikhabhinethi yombane ithatha isakhiwo esizimeleyo esivaliweyo, kwaye umbala wocingo usetyenziselwa ukwahlula i-AC, i-DC, amandla kunye nokukhusela ucingo olukhuselayo.

Ukucwangcisa okuzenzekelayo

1597676657_inkcukacha-5

Imveliso exhotywe nge-software yeprogram ye-CNCCKAD ngokuzenzekelayo, kungekhona nje ukudibaniswa ne-teknoloji ye-CAD / CAM yefektri, kodwa nokunciphisa umsebenzi weprogram kunye nokwenzeka kwephutha, inkqubo enhle inokufanisa ukusika. Ixhotyiswe ngemodyuli yokusika imodyuli, ukulungiswa ngokuzenzekelayo kunye nokuhlelwa kweendawo eziza kwenziwa ngoomatshini. Zombini imizobo elula kunye nentsonkothileyo yomsebenzi inokuguqulwa ngokuzenzekelayo ibe yinkqubo yokucubungula.
Inkqubo yokusika inkqubo yesoftware ye-NC laser:
(1) Lonke ujongano lokusebenza lwaseTshayina.
(2) Inkxaso ye-DWG, i-DXF igalelo kunye neefomati zemveliso.
(3) Ukuzijonga ukusebenza kakuhle, yenqaba ukwenza umsebenzi wephutha
(4) Umsebenzi wokuzenzela indlwane, ukugcinwa kwezinto.
(5) Ngokupheleleyo ngokuzenzekelayo umsebenzi wokusika uluhlu oluninzi.
(6) Umsebenzi wokukrola.
(7) Iintlobo ngeentlobo zefonti ze-UK kunye nesiTshayina.
(8) Ubude bepateni yokusika ingabalwa.
(9) Umsebenzi oqhelekileyo wokusika umphetho.
(10) Imisebenzi yolawulo lweendleko.
(11) Ukusika idatabase..
(12) Utshintshiselwano lwedatha lunokwenziwa nge-USB okanye i-RS232 interface.
* Indawo yokusebenza yesoftware (cebisa umsebenzisi ukuba axhase ihardware)
(1) Inkumbulo 256M
(2) I-Hard drive 80G
(3) XP Windows inkqubo yokusebenza
(4) TFT 17 "umboniso weLCD
(5) 16X DVD CD-ROM

Amacandelo Angundoqo

Into Qty. Ukuphawula/uMboneleli
Inkqubo ye-CNC Iseti e-1 Beck Hoff
Qhuba Iseti e-1 LUST Drive (X/Y axis)+PHASE motor(X/Y axis)+Delta drive and motor(Z axis)
Laser Generator Iseti e-1 I-TRUFIBER CUT
X/Y igiya echanekileyo Iseti e-1 GUDEL/ATLANTA/GAMBINI
Z ikruphu yebhola echanekileyo Iseti e-1 THK
X/Y/Z i-axis yebhola echanekileyo isikhokelo somgca Iseti e-1 THK
Imoto yetafile ye-shuttle Iseti e-1 MTHUNGO
Amalungu e-pneumatic Iseti e-1 SMC, GENTEC
Ukusika Intloko Iseti e-1 PRECITEC
Auto-program Software Iseti e-1 CNCKAD
Amacandelo ombane Iseti e-1 Schneider
Umgca wokujonga Iseti e-1 IGUS
IsiPholisi saManzi Iseti e-1 TONGFEI

Imfuneko yoFakelo loMtshini

Hayi. Into Inkcazo Iyunithi
1 Amandla 380/50 V/Hz
2 Ukuhanjiswa kwamandla okufunekayo 40 kVA
3 Uzinzo lwamandla ±10%
4 Ikhompyuter RAM 256M/hard disk 80G, DVD
5 Ioksijini yokusika intsimbi yekhabhoni Ubunyulu kufuneka bube ngaphezulu kwe-99 .9%
6 I-nitrogen yokusika isinyithi esingenasici Ubunyulu kufuneka bube ngaphezulu kwe-99 .9%
7 Amanzi okupholisa amanzi (amanzi adibeneyo) 100 L
Ukuqhuba: > 25μS/cm μs
8 Amanzi acocekileyo 150 L
9 Ukuchasa umhlaba ≤4 Ω
10 Ufakelo lobushushu bume bume ye generator laser 5-40
11 Ufakelo lokufuma kokusingqongileyo kwejenereyitha yelaser Ngaphantsi kwe-70%
12 Imfuneko yendawo yofakelo (iinkcukacha zingabhekiswa kumzobo wesiseko) Ubungqingqwa bekhonkrithi yesiseko kufuneka butyebe kune-250mm, umcaba kufuneka ube ngaphantsi kwe-10mm rhoqo nge-3m. Kufuneka kungabikho kungcangcazela ngaphakathi kwendawo yofakelo.

Isixhobo sokuhambisa, isincedisi kunye nenxalenye yeSpare

Into Qty. Iyunithi
Ilensi ekhuselayo 5 I-PC.
Umsesane weCeramic 1 Hayi.
Ukusika umlomo 6 Hayi.
Spanner 1 Hayi.

Amaxwebhu obugcisa

Ukubonelela ngawo onke amaxwebhu obugcisa ayimfuneko kunye neenkcukacha zofakelo, ukusebenza kunye nokugcinwa
(1) Imiyalelo yeLaser Cutting Machines
(2) Idatha yeNkqubo yeCNC
(3) Umzobo womgaqo wombane
(4) Imiyalelo yeziPholisi zaManzi
(5) UYilo loFakelo
(6) Umzobo wesiseko
(7) Isiqinisekiso soMgangatho
(8) Ukufakela, ukuthunyelwa kunye nokwamkelwa
Emva kokuba imveliso ifike kwindawo yofakelo yomsebenzisi, inkampani yethu iya kulungiselela abasebenzi abanamava kwindawo yomsebenzisi ukuze kufakwe, ukugunyaziswa kunye nokusika isampuli kunye nokusebenza. Ukwamkelwa kokugqibela kuqhutywa kwindawo yomsebenzisi ngokwemigangatho yokwamkelwa kwenkampani yethu. Izinto zokwamkelwa ziquka: umgangatho wokubonakala, ukucwangciswa kwenxalenye nganye, ukuchaneka kokusika kunye nomgangatho, iiparitha zokusebenza, ukuzinza, uvavanyo lokusebenza, njl.
Inkampani yethu inoxanduva lofakelo kunye nokugunyazisa .Abasebenzisi kufuneka balungiselele abasebenzi abafunekayo kunye neemveliso zokuphakamisa. Abasebenzisi balungiselela izinto ezityiwayo kunye nemathiriyeli yesampulu yokugunyazisa.

Ukwamkelwa kwahlulwe ngamanyathelo amabini

Inyathelo lokuqala
(1) Ukwamkelwa kwangaphambili kweemveliso kuqhutyelwa kwinkampani yethu.
(2) Ukwamkelwa kweemveliso kuya kwenziwa ngokuhambelana nesivumelwano sobugcisa esisayinwe ngamaqela omabini.
(3) Ukuhlolwa kwembonakalo yemveliso: uyilo lwemibhobho kufuneka lube nengqiqo, lucoceke kwaye luhle, uqhagamshelo oluthembekileyo; ipeyinti yomphezulu iyunifomu kunye nokuhlobisa okuhle; imbonakalo yemveliso ngaphandle kokunkqonkqoza kunye nezinye iziphene.
(4) Ukuhlolwa kobume bemveliso.
(5) Ukuhlolwa kwendawo yomgangatho wesampuli yokusika.

Inyathelo lesi-2 Ulwamkelo
(1) Ukwamkelwa kokugqibela kwemveliso kuqhutyelwa kwindawo yomsebenzisi.
(2) Ukwamkelwa kweemveliso kuya kwenziwa ngokwesivumelwano sobugcisa esayiniweyo kunye nomyalelo wokwamkelwa kokunikezelwa, kwaye izinto zokuvavanya ziya kubonelelwa ngumsebenzisi. Ukuba umsebenzisi ufuna ukwamkela imizobo ye-workpiece eqhelekileyo, nceda unikeze imizobo eqhelekileyo (uguqulelo lwe-elektroniki) kwangaphambili.
(3) Emva kokugqitywa kofakelo kunye nokugunyaziswa, ukuba imveliso isebenza ngokuqhelekileyo , iya kuphumelela uvavanyo lokuvuma. Uvavanyo lokugqibela lokwamkelwa luya kuthathwa njengolufanelekileyo kwaye ixesha lokuqinisekisa umgangatho liya kuqala.

Uqeqesho lwaBasebenzi

(1) Funa abo baqeqeshwayo ukuba babe nesikolo samabanga aphakamileyo okanye imfundo ephakamileyo (izakhono zombane zezona zigqwesileyo), kwangaxeshanye, babe nolwazi oluthile olusisiseko lwekhompyutha, yaye babe nobuchule ekusebenziseni ikhompyutha.
(2) Emva kofakelo kunye nokugunyaziswa, inkampani yethu inoxanduva lokubonelela ngoqeqesho lwasimahla lwendawo kubasebenzisi beentsuku ezi-7, ukuqeqesha umsebenzi o-1 wokulungisa umbane, abaqhubi aba-2 kunye nomsebenzi o-1 wokulungisa oomatshini. Kwaye qinisekisa ukuba abasebenzisi babasebenzisi banokulawula ukusebenza kwemveliso, ukusebenza okuchanekileyo kunye nezakhono zokulondoloza.
(3) Umxholo woqeqesho: isakhiwo semveliso kunye nokusebenza, ukusebenza kwe-laser, ukusebenza, inkqubo ye-NC, iteknoloji yokucubungula i-laser, ukugcinwa kwemihla ngemihla kunye neminye imiba.
(4) Inkxaso yoqeqesho olukhethekileyo: Abasebenzisi banokulungiselela abaqhubi be-2-3 kunye nabasebenzi bokulondoloza ukuba beze kwinkampani yethu nangaliphi na ixesha.
Uqeqesho luxolelwe kwiifizi zoqeqesho.
Iindleko ezenziwe ngexesha lewaranti ziya kuthwalwa yinkampani yethu, ngaphandle kwezo zenzeke ngenxa yokusetyenziswa ngokungafanelekanga kunye nokusebenza kwabasebenzisi.
Inkampani yethu ibonelela ngeenkonzo zogcino kunye neendawo zokuphumla ubomi babo bonke.

Ixesha lesiqinisekiso soMgangatho weMveliso

Ixesha lokuqinisekisa umgangatho wemveliso ngunyaka omnye kwaye ixesha lokuqinisekisa umgangatho we-lens optical yientsuku ezingama-90. Ukusika i-nozzle, ukusika ipleyiti yezinyo exhasayo, into yokucoca, umzimba we-ceramic kunye ne-lens ye-optical ngamalungu aphuka lula.

Qaphela: I-EFC inomsebenzi wokusika umoya (i-10 kg ye-compressor yomoya), kodwa umthengi kufuneka axhobise amacandelo alandelayo yedwa.

CNC iFayibha Laser Cutter Machine;cnc ifayibha laser ukusika umatshini;cnc ifayibha laser

Amacandelo alungiselelwe ngabasebenzisi be-EFC

Into Igama Uphawu Umzekelo OTY
1 Icompressor yomoya engenawoli   WW-0.9/1.0 1
2 Isomisi UMGCINI SPL012 1
3 Isahluli samanzi domnick I-WS020CBFX 1
4 Hluza domnick AO015CBFX 1
5 Hluza domnick AA015CBFX 1
6 Hluza domnick ACS015CBMX 1
7 Ukudibanisa UMGCINI FXKE2 2
8 Ukudibanisa UMGCINI NJ015LG 1
9 Ivalve yokunciphisa uxinzelelo FESTO LR-1/2-D-MIDI 1
10 Ngokudibeneyo SMC KQ2H12-04AS 1
11 Ngokudibeneyo SMC I-KQ2L12-04AS 6
12 Ngokudibeneyo SMC I-KQ2P-12 1
13 Umbhobho werhasi SMC T1209B 15m
14 Ngokudibeneyo EMB VADKO 15-RL/WD 1
15 Ngokudibeneyo EMB X A15-RL/WD 1

Inkcazo yobuGcisa

1. Inkcazo ephambili

  Into Inkcazo Iyunithi
1 Ubungakanani beShiti lokusika 3000×1500 mm
2 Ukubetha kwe-X Axis 3000 mm
3 Ukubetha kweY Axis 1500 mm
4 Ukubetha kwe-Z Axis 280 mm
5 Max. Isantya Sokutya 140 m/umz
6 Ukuchaneka kokusika ±0.1 mm/m
7 Ilinganiswe Amandla eLaser 1000 W
8 Ukusika Ukutyeba (xa imeko efunekayo yokusika ifezekisiwe) Intsimbi yeCarbon 0.5-12 mm
Intsimbi yentsimbi 0.5-5 mm
9 Ukutyeba okuZinzileyo kokusika Intsimbi yeCarbon 10 mm
iStainless Steel 4 mm
10 Igalelo lamandla 31 kVA
11 Ixesha lokutshintshiselana kwetafile yeshuttle 10 S
12 Ubunzima bomatshini 8 t

2.SPI Laser Resonator

Umzekelo TruFiber -1000
Igalelo lamandla 3000W
Amandla emveliso 1000W
Laser Power Uzinzo <1%
Ubude be-laser wave 1075nm

Inkqubo ye-3.CNC

Into Inkcazo
Inkqubo ye-CNC Beckhoff
Iprosesa I-Dual-core 1.9 GHz
Umthamo wememori yenkqubo I4GB
Umthamo wememori ye-Hardware 8GB
Bonisa uhlobo lwesikrini kunye nobukhulu 19″ umbala wekristale yolwelo
Izibuko lonxibelelwano olusemgangathweni USB2.0, Ethernet

  • Ngaphambili:
  • Okulandelayo: