Time-Compression Technologies Magazine Archive 2002 (and backfills for previous years)
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Author Paulo Jorge Bartolo and Geoffrey Mitchell
Source Time Compression Technologies. v7 n3 May, 2002, pp 18-20
Abstract A thermal-kinetic model using the finite element method to study, simulate and optimize stereolithography. The use of stereolithography is still in its infancy. Much of the technology and operating procedures are based on empirical correlations and work experience and very little is known about the physical and chemical changes occurring in the material due to the irradiation. A good understanding of the curing process is an important factor to improve both the precision and quality of the models and to develop well-adapted polymeric systems. A new simulation tool used to study and optimize stereolithographic systems has been developed, which enables the control of several kinds of information including: The progress of the curing reaction for estimating the time required to produce a model; the spatial solidification profile for controlling the precision of the process; and the temperature variations, to know if the thermal effects are compatible with the process. XX
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