Uma kuziwa ekuphrinteni kwe-3D, kunobuchwepheshe obuhlukahlukene obutholakalayo, obunye bunezici zabo ezihlukile kanye nezinhlelo zokusebenza. Izindlela ezimbili ezidumile yi-SLA (stereolithography) kanye ne-SLM (i-selective laser melting) ukuphrinta kwe-3D. Nakuba amasu womabili esetshenziselwa ukwakha izinto ezinezinhlangothi ezintathu, ayahluka ngezinqubo zawo nezinto zokwakha. Ukuqonda umehluko phakathi kokuphrinta kwe-SLA ne-SLM 3D kungasiza abasebenzisi bakhethe indlela efaneleke kakhulu yezidingo zabo ezithile.

Ukuphrinta kwe-SLM 3DOkwaziwa nangokuthi ukuphrinta kwe-3D kwensimbi, inqubo ehilela ukusetshenziswa kwe-laser enamandla amakhulu ukuze ukhethe ngokukhetha futhi uhlanganise izimpushana zensimbi ndawonye, ​​ungqimba ngongqimba, ukuze kwakhiwe into eqinile. Le ndlela ifaneleka kakhulu ukukhiqiza izingxenye zensimbi eziyinkimbinkimbi ezinamajiyometri ayinkimbinkimbi, okwenza kube ukukhetha okudumile ezimbonini ezifana ne-aerospace, izimoto, kanye nezokwelapha.

Ngokolunye uhlangothi,Ukuphrinta kwe-SLA 3Disebenzisa i-laser ye-UV ukwelapha inhlaka ewuketshezi, iyiqinise isendlalelo ukuze yakhe into oyifunayo. Le ndlela ivame ukusetshenziselwa ukwakha ama-prototypes, amamodeli ayinkimbinkimbi, nezingxenye zokukhiqiza ezincane ezimbonini ezihlukahlukene.

Omunye umehluko omkhulu phakathi kokuphrinta kwe-SLA ne-SLM 3D usezintweni ezisetshenziswayo. Ngenkathi i-SLA ikakhulukazi isebenzisa ama-photo-polymer resins, i-SLM yakhelwe ngokukhethekile izimpushana zensimbi ezifana ne-aluminium, i-titanium, nensimbi engagqwali. Lo mehluko wenza i-SLM ilungele izinhlelo zokusebenza ezidinga amandla, ukuqina, nokumelana nokushisa kwezingxenye zensimbi.

Omunye umehluko yizinga lokunemba nokuqedwa kwendawo. Ukuphrinta kwe-SLM 3D kunikeza ukunemba okuphezulu kanye nekhwalithi engcono yangaphezulu, okuyenza ifaneleke ukukhiqiza izingxenye zensimbi ezisebenzayo ezinokubekezelelana okuqinile. I-SLA, ngakolunye uhlangothi, yaziwa ngekhono layo lokudala ukuqedwa okunemininingwane eminingi futhi okubushelelezi, okuyenza ibe yinketho ekhethwayo yama-prototypes abukwayo namamodeli wobuhle.

Kafushane, ngenkathi kokubili ukuphrinta kwe-SLA kanye ne-SLM 3D kungamasu okukhiqiza okungeziwe abalulekile, abhekelela izidingo nezinhlelo zokusebenza ezahlukene. I-SLM iyindlela eya phambili yokukhiqiza izingxenye zensimbi eziqinile ezinamadizayini ayinkimbinkimbi, kuyilapho i-SLA ithandwa ngokwakha ama-prototype anemininingwane namamodeli abukekayo akhangayo. Ukuqonda umehluko phakathi kwalobu buchwepheshe obubili kubalulekile ekukhetheni indlela yokuphrinta ye-3D efaneleke kakhulu yamaphrojekthi nezimfuneko ezithile.