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Predictability of plastic parts behaviour made from rapid manufacturing

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5 Author(s)
Monzon, Mario ; Department of Mechanical Engineering, Las Palm as de Gran Canaria University, Las Palmas 35017, Spain ; Hernandez, Pedro M ; Benftez, Antonio N ; Marrero, Marfa D
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One of the most important issues to resolve in parts manufactured from rapid manufacturing (RM) technologies is to know their behavior working under real conditions. Total quality manufacturing (TOM) is only possible if mechanical properties are well known in the design stage depending on the processing parameters. This work is mainly focused on testing of several samples made with different selective laser sintering (SLS) parameters and technologies. This procedure is the starting point to establish a basis for designing for RM and the standardization of RM testing. The experiments and the analysis of variance (ANOVA) analyzed the effects of several factors on mechanical properties. The SLS technologies were 3DSystem and EOS. The results show which factor has a large effect on the variables and the interaction between them. The conclusions are very useful for developing rules for designing (designing for RM) and creating new standard rules (ISO, AISI, and DIN) for RM materials and parts testing. The ANOVA gives a better knowledge of the effects of these factors and eliminates unimportant parameters.

Published in:

Tsinghua Science and Technology  (Volume:14 ,  Issue: S1 )

Date of Publication:

June 2009

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