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He mea nui nā mea paʻi Filament 3D, akā ua kaupalena ʻia lākou i ka nui. Hāʻawi nā mea paʻi laser sintering i nā moena paʻi nui, akā lawe pū lākou i kahi kumukūʻai o $250,000. He aha kā mākou e hana ai? ʻAe, mahalo iā OpenSLS, hiki ke hoʻohuli i kāu laser mīkini ʻoki i kāu mīkini paʻi SLS 3D ponoʻī.
Ua hoʻolauna mākou iā OpenSLS i nā manawa he nui ma mua, akā ʻike ʻia ua lilo ia i mea hoʻonā piha (a hiki ke hoʻohana ʻia). ka hoʻolālā a me ka hoʻolālā.
Ua hana ka hui i mea lako e hiki ai ke hoohuli i ka mea oki laser me ka nui o ka moena o 60 knm x 90 knm i loko o ka SLS printer.beauty?O ka hapa nui o ka lako mea he oki laser, 'o ia ho'i, ua hiki ke ho'ololi i ka mea oki laser i mea pa'i 3D.
Hiki ke loaʻa nā faila hoʻolālā ma kā lākou GitHub. He $2,000 paha ke kumukūʻai o ka lakohana, ʻo ia ka pīni i hoʻohālikelike ʻia me kahi paʻi paʻi laser sintered kalepa. Nui nā ʻike i kā lākou mau ʻatikala-ʻaʻole hiki iā mākou ke uhi i ka ʻike nui i hoʻokahi ʻatikala. Inā kūkulu ʻoe i hoʻokahi, e ʻoluʻolu e haʻi mai iā mākou!
Pono wau e kaomi i kekahi o nā loulou e ʻike ai i kā lākou e kamaʻilio nei. Ke nīnau nei au, he aha ka SLS mua? i loko o kahi hoʻolālā 3D paʻa.
Makemake wau e ʻike inā hiki ke hoʻohana i nā mea hoʻoheheʻe haʻahaʻa haʻahaʻa. Ua ʻike wau e hiki i nā rigs drilling SLS pāʻoihana nui ke hoʻohana i ka alumini a i ʻole ke kila, akā pono ka helu heheʻe o kekahi mau metala keʻokeʻo i loko o ka laulā o nā mīkini ʻoki laser.
Eia nō naʻe, ʻoi aku ka noʻonoʻo ʻana o ka metala a me ka thermally conductive ma mua o ka plastic, no laila ʻoiai ke manaʻo nei au e hana ia, ʻoi aku ka maʻalahi o ka hoʻopili pololei ʻana i ka wela, e like me ka 3D welding robot i hōʻike ʻia e hackaday i ka makahiki i hala http://hackaday.com/ 2015/06/13/6-axis-robot-arm-3d-prints-a-metal-bridge/
ʻAe, hoʻohana kekahi mau ʻoihana ʻenehana i ka sintering laser ma kēia ʻano, no laila hiki ke hana. Pono i loko o ka laulā o nā mīkini ʻoki laser. ʻO ka nīnau maoli, ke manaʻo nei au, inā paha he mau mea hana pono kēia mau alloys.
ʻO ka ʻaoʻao mua o nā mea hana ʻoihana maʻamau ka polarizing optics e hoʻomoʻa a hoʻohuli paha i ke kukui i ʻike ʻia mai ke kumu laser. , ʻO ka hapa nui o nā metala e oxidize wale nō (aiʻole e puhi).
He ʻoiaʻiʻo ka mea āu i kākau ai, ʻo ia ke kumu aʻu i noʻonoʻo ai e hoʻohana i ka metala canned a i ʻole kekahi mea hoʻoheheʻe brazing hiki ke hiki i kahi mahana kūpono.
E ho'āʻo wau i nā mea hao hao. Manaʻo wau e hāʻawi lākou i nā hopena maikaʻi loa me ka liʻiliʻi liʻiliʻi o ka make metala.
Pono ke kiʻi o OLD_HACK: he laser uliuli.

http://www.laserfocusworld.com/articles/2011/04/laser-marking-how-to-choose-the-best-laser-for-your-marking-application.html

I kēia hihia, ʻaʻole nui ka nalu nalu. ʻAʻole lawa ka hoʻololi ʻana i nā hiʻohiʻona absorption o nā metala ma ka laulā nalu o 400nm a 10um. me ka ʻili maʻamau, hiki i ka ʻili palahalaha ke hoʻomālamalama hou aku i ka ʻili.
ʻOi aku ka maʻalahi o nā lasers diode i ka noʻonoʻo ʻana i hope. ʻO ka pōʻino o ka maka, hiki ke hoʻololi i ka lōʻihi o ka nalu, a hiki ke hoʻololi i ke ʻano o ke ʻano o ka beam.
ʻAʻole e hōʻino ʻia nā laser gas (e like me nā laser CO2 e pili ana ma ʻaneʻi) e nā noʻonoʻo hope.ʻO ka ʻoiaʻiʻo, hiki ke hoʻohana ʻia kēia ʻenehana no ka hoʻokō pono ʻana i ka Q-switch no ka loaʻa ʻana o ka mana kiʻekiʻe pulse.
Hiki paha ke hoʻohana i nā lasers Nd:YAG, nā laser fiber ytterbium a i ʻole nā ​​lasers like, i hoʻohana pinepine ʻia e ʻoki i nā metala ma mua o ka hoʻohana ʻana i nā laser CO2. e like me ka plastic), akā, ʻaʻohe hopena o ka metala.
He aha ka nui o ka nui o ka mea ʻilika hoʻomaka? Manaʻolana ʻo ia ka nui a ʻaʻole hiki ke palahalaha i ka lewa, no ka mea, inā e komo nā mea ʻili i ka lewa a pili i kāu aniani, lens, a me ka mea hoʻohui puka, e loaʻa koke iā ʻoe kahi lā ʻino. .
I mea e hōʻoluʻolu ai i kēia kūlana, pono e hoʻokaʻawale loa ʻia nā optics mai ka "wahi hana" e pale ai i ka pauka plastic mai ke komo ʻana.
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
Manaʻo wau he mea maʻalili nā hui sintering laser-ʻaʻohe pono pepa! Hiki iā ʻoe ke hāʻawi i nā mea?
ʻAe, ʻaʻole hiki iaʻu ke hāʻawi aku iā ʻoe. ʻO kēiaHe manaʻo maikaʻi paha kēia no Netherlands.Akā, ua ʻike au ua hana kekahi poʻe i ka pepa sintered, a me ke kō a me ka nesquick.
Ma ka hoʻohana ʻana i kā mākou pūnaewele a me nā lawelawe, ua ʻae maopopo ʻoe i ka waiho ʻana o kā mākou hana, hana a me nā kuki hoʻolaha.