Ndị na-ebi akwụkwọ 3D Filament dị mma, ma ha na-enwekarị oke nha. Ndị na-ebi akwụkwọ laser na-enye nnukwu akwa akwa, ma ha na-ebukwa ọnụ ahịa ọnụahịa nke $ 250,000. Gịnị ka anyị kwesịrị ime? Ọfọn, ekele maka OpenSLS, ọ ga-ekwe omume ịtụgharị laser gị. ịkpụ igwe n'ime ngwa nbipute SLS 3D nke gị.
Anyị ewebatala OpenSLS ọtụtụ ugboro n'ihu, mana ọ dị ka ọ mechara bụrụ ihe ngwọta zuru oke (ma dịkwa mfe). nhazi na nhazi.
Ndị otu ahụ emepụtala ngwaike nke nwere ike ịtụgharị onye na-egbutu laser na nha akwa nke 60 cm x 90 cm n'ime ngwa ngwa SLS. ịma mma? Ọtụtụ n'ime ngwaike bụ laser ịkpụ, nke pụtara na ị nwere ike gbanwee onye na-egbutu laser ka ọ bụrụ ngwa nbipute 3D.
Enwere ike ịchọta faịlụ nhazi na GitHub ha. Akụrụngwa nwere ike na-efu gị ihe dịka $ 2,000, nke bụ ahụekere ma e jiri ya tụnyere ngwa nbipute laser sintered nke azụmahịa. E nwere ọtụtụ ozi na isiokwu ha-anyị enweghị ike ikpuchi ọtụtụ ozi n'otu isiokwu. Ọ bụrụ n'ikpeazụ wuo otu, biko mee ka anyị mara!
M ga-pịa na otu n'ime njikọ ndị ahụ iji chọpụta ihe ha na-ekwu. Ana m ajụ, gịnị bụ SLS mbụ? Lol "Selective Laser Sintering (SLS) bụ ihe mgbakwunye mmepụta usoro nke na-eji laser na-ejikọta powdered raw material. n'ime usoro 3D siri ike."
Achọrọ m ịma ma ọ bụrụ na ọ ga-ekwe omume iji metal alloys dị ala na-agbaze. Amaara m na nnukwu azụmahịa SLS na-egwupụta ihe nwere ike iji aluminom ma ọ bụ ọbụna ígwè, ma ebe mgbaze nke ụfọdụ ọla ọcha kwesịrị ịdị n'ime oke nke igwe ọkụ laser.
Otú ọ dị, ígwè na-adịkarị na-egosipụta ma na-ekpo ọkụ karịa plastik, n'agbanyeghị na m na-atụ anya na ọ ga-arụ ọrụ, ọ nwere ike ịdị mfe itinye okpomọkụ ozugbo, dị ka 3D welding robot nke hackaday kọrọ na afọ gara aga http://hackaday.com/ 2015/06/13/6-axis-robot-arm-3d-ebipụta-a-metal-bridge/
Ọfọn, ụfọdụ ụlọ ọrụ mmepụta ihe na-eji laser sintering n'ụzọ dị otú a, n'ihi ya, a pụrụ ime ya. Ntụle ntụgharị uche nke ọtụtụ ọla ntụ ntụ dị n'otu ebe ahụ dị ka ihe ngosi nke plastik powdered. Tụkwasị na nke ahụ, e nwere ọtụtụ zinc alloys na MP nwere ezi uche na ya. kwesịrị ịdị n'ime nso nke laser ọnwụ machines.The n'ezie ajụjụ bụ, m na-eche, ma ndị a alloys bụ bara uru n'ichepụta ihe.
N'ihu njedebe nke ngwá ọrụ mmepụta ihe na-enwekarị polarizing optics iji banye ma ọ bụ gbanwee ihe ọkụ na-egbuke egbuke site na isi iyi laser. Ka ọ dị ugbu a, ọnọdụ a adịghị adị na CO2 lasers. Tụkwasị na nke ahụ, ọ gwụla ma e nwere ezigbo argon ndochi ma ọ bụ oghere na ogige ahụ. , Ọtụtụ ọla ga-abụ naanị oxidize (ma ọ bụ ọkụ) .Mgbagwoju anya na ọnụ ahịa nhazi ígwè na-abawanye ngwa ngwa.
Ihe ị dere bụ eziokwu, nke mere m ji tụlere iji igwe mkpọ ma ọ bụ ihe mgbochi brazing nke a ga-ekwe omume na oke okpomọkụ.
M ga-agbalị brazing alloys. Echere m na ha ga-enye nsonaazụ kacha mma na obere ohere nke nsị metal.
The foto nke OLD_HACK kwesịrị ịrịba ama: ọ bụ a-acha anụnụ anụnụ laser.N'ihi iferi metal, absorption ụdịdị dị iche iche ga-adị irè karịa CO2 laser. Nke a pụtakwara na ọtụtụ obere osisi na-egosipụta azụ na laser na ya mere ejighị n'aka.
http://www.laserfocusworld.com/articles/2011/04/laser-marking-how-to-choose-the-best-laser-for-your-marking-application.html
N'okwu a, ogologo ogologo oge adịghị mkpa. Mgbanwe nke njirimara absorption nke ọla dị na njedebe nke 400nm ruo 10um ezughị ezu iji rụọ ọrụ ebe a. Ihe kachasị mkpa bụ ntụgharị uche n'ihi elu elu na mma. n'elu ala na-adịghị ahụkebe, elu dị larịị nwere ike igosi ìhè ọzọ azụ n'elu.
Diode lasers na-enwe mmetụta karịa nlebara anya azụ. Ọgwụgwụ mmebi ihu, enweghị ike ịdị ogologo ogologo, na mgbanwe nhazi usoro nwere ike ime. Enwere ike iji ikewapụ Faraday mee ka nsogbu a kwụsịlata.
A gaghị emebi laser gas (dị ka laser CO2 metụtara ebe a) site na ntụgharị uche azụ.N'ezie, usoro a nwere ike iji jiri nzube mee Q-ịgbanwe iji nweta ike kacha elu usu.
Ma eleghị anya, jiri Nd: YAG lasers, ytterbium fiber lasers ma ọ bụ lasers yiri ya, nke a na-ejikarị egbutu ọla kama iji laser CO2. N'ebe ndị a dị ala ~ 50W ike ọkwa, 10um laser si CO2 laser na-etinye obi gị dum nke ọma site na ihe ndị dị ndụ ( dị ka plastik), ma ọ gaghị enwe mmetụta ọ bụla na metal.
Gịnị bụ urughuru size nke mmalite plastic ihe? Olileanya na ọ bụ dịtụ nnukwu na-apụghị ịgbasa na ikuku, n'ihi na ọ bụrụ na plastic ahụ na-abanye n'ime ikuku na-arapara n'ahụ gị mirror, oghere, na mmepụta coupler, ị ga-adịghị anya nwere a ọjọọ ụbọchị. .
Iji belata ọnọdụ a, a ga-ewepụrịrị optics kpamkpam na "ebe ọrụ" iji gbochie uzuzu plastik ịbanye.
Hi, just to tell you this is good news!!The company I work for, we produce and manufacture powders for SLS PA12, PA11, TPU, and polycaprolactone and waxes for sls.I really think this is the technology of the future!!If you need customized sls materials, please feel free to contact me!marga.bardeci@advanc3dmaterials.com
Echere m na nkwonkwo laser sintering ga-adị jụụ-ọ dịghị akwụkwọ achọrọ! Ị nwere ike ịnye ihe?
Ọfọn, enweghị m ike ịnye gị ya. Nke aNke a nwere ike ịbụ ezigbo echiche maka Netherlands.Ma amaara m na ụfọdụ ndị emela mpempe akwụkwọ, yana sugar sintered na nesquick.
Site na iji webụsaịtị na ọrụ anyị, ị kwenyere n'ụzọ doro anya na ntinye nke arụmọrụ anyị, ọrụ anyị na kuki mgbasa ozi. Mụtakwuo
Oge nzipu: Dec-27-2021