Tare da haɓaka kimiyya da fasaha da haɓaka aikace-aikacen buƙatu, yin amfani da saurin ƙira don kera sassan aikin ƙarfe kai tsaye ya zama babban jagorar ci gaba na samfuri cikin sauri.A halin yanzu, babban karfe3D bugu Hanyoyin da za a iya amfani da su don kera sassan aikin ƙarfe kai tsaye sun haɗa da: Zaɓaɓɓen Laser Sintering(SLS) fasaha, Kai tsaye Karfe Laser Sintering(DMLS)fasaha, Zaɓaɓɓen Laser narkewa (SLM)fasaha, Laser Engineered Net Shaping(LENS)fasaha da Electron Beam Selective Melting(EBSM)fasaha, da dai sauransu.
Zaɓaɓɓen Laser sintering(SLS)
Zaɓan Laser sintering, kamar yadda sunan ke nunawa, yana ɗaukar tsarin ruwa lokaci sintering ƙarfe.A lokacin kafa tsari, da foda abu ne partially narkewa, da kuma foda barbashi riƙe su m lokaci tsakiya, wanda aka sa'an nan rearranged ta m lokaci barbashi da ruwa lokaci solidification.Bonding cimma foda densification.
fasahar SLSka'ida da halaye:
Dukan na'urar tsari ta ƙunshi foda silinda da silinda mai kafa.Fistan silinda mai aiki foda (piston ciyar da foda) yana tashi, kuma foda kwanciya abin nadi a ko'ina yana yada foda akan fistan silinda da aka kafa (piston mai aiki).Kwamfuta tana sarrafa yanayin duban nau'i biyu na katako na Laser bisa ga tsarin yanki na samfurin, kuma zaɓaɓɓen simintin kayan foda mai ƙarfi don samar da Layer na ɓangaren.Bayan kammala Layer, ana saukar da fistan mai aiki da kauri Layer ɗaya, ana ɗora tsarin shimfida foda tare da sabon foda, kuma ana sarrafa katako na Laser don bincika tare da lalata sabon Layer.Wannan sake zagayowar yana ci gaba da ci gaba, layi-layi, har sai an samar da sassa masu girma uku.