AN AUTOMATED ENVIRONMENT FOR APPLYING RAPID PROTOTYPING TECHNIQUES TO CERAMIC MATERIAL MANUFACTURING by

نویسندگان

  • E van den Berg
  • E. M. EHLERS
چکیده

1 Die afgelope paar jaar het gepaard gegaan met verskeie ontwikkelinge in die veld van laag-vervaardiging. Die uitdaging wat gestel word is om hierdie ontwikkelinge aan te wend in maniere wat waarde toevoeg aan bestaande of nuwe sisteme. Ontwikkeling kan in twee hoof afdelings geskei word, naamlik ontwikkeling in materiale wat gebruik word in die vervaardigingsproses, asook in die proses van die opdeling van modelle in lae. In die tradisionele proses is alle lae in die vervaardigingsproses van uniforme dikte. Hierdie benadering veroorsaak 'n afwerking met 'n trap effek. Die otwikkeling van 'n proses wat lae van varierende diktes produseer, en daarmee die trap effek sowel as die bou tyd minimeer is die mees innoverend en die belangrikste in hierdie gebied. Tesame met die vorderinge in laag produksie, is groot spronge in terme van materiaalbeskikbaarheid vir die vervaardigingsproses, bewerkstellig. Die navorsing van die WNNR is nie direk gefokus op die proses van laag vervaardiging nie. Hulle navorsing is in die rigting van mediese implantate. Die proses van laag vervaardiging word gebruik om die eienskappe van die keramiek materiaal waarop hulle navorsing toespits, te toets, asook die moontlikheid vir toekomstige vervaardiging. Die navorsing van dié tesis is daarop gemik om te bewys hoe bestaande tegnologië aangewend kan word om waarde by die navorsing van die WNNR te voeg. 2 Deur gebruik te maak van bestaande sagteware pakkette, asook bestaande tegnologië, is dit moontlik om die totale navorsingsproses te versnel. Alhoewel dit nodig is om doelgemaakte sagteware te skep om die prosesvloei te bewerkstellig, is die algehele koste nog steeds 'n fraksie van die koste wat 'n totale doelgemaakte stelsel sou beloop terwyl dit vergelykbare waarde toevoeg. 3 The past few years have delivered a great deal of development in the area of Layered Manufacturing. The challenge is to apply the existing technologies to existing and/or new manufacturing systems, thereby adding value to these systems. The advances in the field of Layered Manufacturing range from the process of slicing to the actual building process. The main achievements in the arena of slicing have been in the advances of Adaptive Slicing. By not using a uniform slice thickness, not only is the stair stepping effect minimized, but the build time is also shortened. Many advances have been made in terms of the actual materials used and the process of building, thereby expanding the range of uses for the technology as a whole. With …

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تاریخ انتشار 2001