KhethaI-Laser Melting (SLM) iyisengezo sensimbi yokukhiqiza noma ubuchwepheshe bokuphrinta be-3D.Kwaziwa nangokuthi i-powder bed fusion noma ubuchwepheshe obuqondile be-laser sintering (DMLS).Ihlanganisa kakhulu izimpushana zensimbi kanye ne-laser enamandla amakhulu.
SLMingenye yobuchwepheshe bokuphrinta be-3D obuvame ukusetshenziswa kakhulu beNzuzo Yenyunyana futhi ingasetshenziselwa ukwenza i-prototyping ngokushesha nokukhiqizwa ngobuningi, uhla lwama-alloys ensimbi olutholakalayo lubanzi impela, futhi ingxenye yokugcina nayo inezakhiwo ezifanayo nezinqubo zokukhiqiza zendabuko.Izingxenye zensimbi zingakhiqizwa ezinsukwini ezingu-7 noma ngaphansi.
Isebenza kanjani i-SLM? SLMifana kakhulu ne-SLS ngokuthi zombili izinqubo zimbozwe ngaphansi kwesambulela se-powder bed fusion.Umehluko omkhulu uhlobo lwempahla eluhlaza noma impushana esetshenziswayo - SLS ikakhulukazi isebenzisa inayiloni (PA) polymer material, SLM ikhethekile metal. Njeokuboniswe esithombeni esingenhla, i-laser ifaka impushana ndawonye isendlalelo ngesendlalelo kuze kuqedwe imodeli. Nokho, kunomehluko owodwa omkhulu phakathi kwe-SLM ne-SLS.Ngenxa yemikhawulo yenqubo ye-SLM kanye nesisindo sempahla, i-SLM idinga ukwengezwa kwezakhiwo zokusekela kunoma yisiphi isakhiwo esilengayo.Lokhu kwehluka ku-SLS, lapho impahla yempushana ezungezile inganikeza ukwesekwa okwanele, okuvumela umumo nezici ezikhululekile ukuthi zizuzwe. Amakhono e-SLM EyethuUmhlahlandlela Obalulekile we-SLM uhlanganisa ukucatshangelwa kwedizayini okubalulekile ukusiza ukuthuthukisa ingxenye yokukhiqiza, ukuthuthukisa ukubukeka, nokunciphisa sonke isikhathi sokukhiqiza. Qhathanisa Izinto ezibonakalayo. Tholaa ifayela lokuqhathanisa izakhiwo ezibonakalayo lapha ukuze uthole ukuqonda okungcono kokukhetha okuyingxenye. Post-Processing for SLM Inithiyori, ukukhiqiza okungeziwe kunenkululeko yokudala izimo eziyinkimbinkimbi, kodwa ekusebenzeni, ukuqeda phezulu kuvame ukudinga izithiyo zokuklama.Nakuba ukuthuthukisa ikhwalithi ye-powder yensimbi, ukwenza ngcono isiqondiso sokwakha kanye nemingcele yenqubo kungathuthukisa izinga eliphezulu lezingxenye ezifakiwe ezikhiqizwayo ngezinga elithile, inkinga yengxenye yobulukhuni bendawo ayikwazi ukuxazululwa ngokuphelele.Ngakho-ke, ukucubungula kwezingxenye eziphrintiwe ze-3D kuyadingeka.Izindlela zamanje eziyinhloko zangemuva kokucubungula zihlanganisa ukuqeda kanye nokwenza imishini. Ukupholisha, i-Sandblasting, i-CNC Grinding, i-Laser polishing, i-Chemical polishing Ividiyo ye-SLM Sinikezela ngezingxenye zensimbi zokuphrinta ezisezingeni eliphakeme ze-SLM 3d ngqo kusuka embonini yethu.I-Up Rapid izinikela ezingxenyeni zemishini ezenziwe ngokwezifiso, izingxenye amashumi eminyaka, ezihlanganisa iningi lemakethe yaseYurophu kanye neMelika.Silindele ukuba nguzakwethu wesikhathi eside e-China.
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Selective Laser Melting(SLM)
Izinketho zezinto ezibonakalayo
Izici
Max Dimensions/mm
Ukulungiswa Okuvamile
Ukulungiswa Okuphezulu:
SS17-4 PH
Ukushisa kuyalapheka, Ukumelana nokubola
245*245*245
100*100*96
SS316L
Ukumelana ne-Acid nokugqwala, I-ductility ephezulu
Ingxubevange ye-Aluminium(AlSi10Mg)
Ukuqina okuphezulu namandla, I-Thermal ne-electrical conductivity
Layer Thickness/microns
30
20
Inconel 718
Ukumelana ne-oxidation nokugqwala, Ukusebenza okuphezulu, ukukhathala, ukukhasa, namandla okuphuka
Cobalt Chroma(Co28Cr6Mo)
Ukusebenza okuphezulu okuqinile nokukhasa, Ukumelana nokubola
Usayizi Wesici Esincane/mm
0.4
0.2
Ithusi(CuNi2SiCr)
I-thermal ne-electrical conductivity enhle, I-Robust mechanical properties
Ukubekezela/mm
0.076
Titanium(Ti6Al4V)
Ukuqina okuphezulu namandla, izinga lokushisa eliphezulu nokumelana nokugqwala
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Izingxenye Zensimbi Zokuphrinta ze-SLM 3D
