Ngokuthuthuka kwesayensi nobuchwepheshe kanye nokugqugquzelwa kokusetshenziswa kwesidingo, ukusetshenziswa kwe-prototyping esheshayo ukwenza ngokuqondile izingxenye ezisebenzayo zensimbi sekuyiyona ndlela eyinhloko yokuthuthukiswa kwe-prototyping esheshayo.Njengamanje, insimbi eyinhlokoUkuphrinta kwe-3D izinqubo ezingasetshenziswa ukwenza ngokuqondile izingxenye ezisebenzayo zensimbi zihlanganisa: I-Selective Laser Sintering(SLS) ubuchwepheshe, I-Direct Metal Laser Sintering(DMLS)ubuchwepheshe, Selective Laser Melting (SLM)ubuchwepheshe, I-Laser Engineered Net Shaping(LENS)ubuchwepheshe kanye ne-Electron Beam Selective Melting(EBSM)ubuchwepheshe, njll.
I-laser sintering ekhethiwe(SLS)
I-laser sintering ekhethiwe, njengoba negama lisho, isebenzisa indlela ye-liquid sintering metallurgical mechanism.Phakathi nenqubo yokubunjwa, i-powder material iyancibilika kancane, futhi izinhlayiya zempushana zigcina izingxenye zazo eziqinile zesigaba, ezibuye zihlelwe kabusha ngokusebenzisa izinhlayiya zesigaba esiqinile esilandelayo kanye nokuqiniswa kwesigaba se-liquid.I-Bonding ifinyelela ukuminyana kwempushana.
Ubuchwepheshe be-SLSisimiso nezici:
Idivayisi yonke yenqubo yenziwe nge-powder cylinder kanye nesilinda esakhayo.I-powder cylinder piston (i-piston yokudla okuyimpuphu) iyakhuphuka, futhi i-powder laying roller isakaza impushana ku-cylinder piston (piston esebenzayo).Ikhompuyutha ilawula umzila wokuskena onezinhlangothi ezimbili we-laser beam ngokuya ngemodeli yocezu lwesibonelo, futhi ikhetha ngokukhetha into eyimpushana eqinile ukuze yakhe ungqimba lwengxenye.Ngemva kokuphothulwa kongqimba, i-piston esebenzayo yehliswa ungqimba olulodwa oluwugqinsi, uhlelo lokubeka impushana lubekwe ngempushana entsha, futhi i-laser beam ilawulwa ukuskena nokufaka ungqimba olusha.Lo mjikelezo uyaqhubeka, ungqimba ngongqimba, kuze kube yilapho kwakheka izingxenye ezintathu-ntathu.