Modeling and Fabrication of Verte Brae Bioimplant Using Rapid Prototyping
Keywords:
Additive manufacturing, CAD model, 3D surface plot, ABS pattern for bio-implants.Abstract
High-dimensional accuracy and quick response are the two principle manufacturing requirements of bio-implants. In the current work, performs of bio-implant (typically a verte brae) fabricated by fused deposition modeling (FDM) were prepared using acrylonitrile butadiene styrene (ABS) material at three different orientations, viz., 0º, 45º, 90º designed as central composite array and analyzed using response surface methodology (RSM). Later, the prototypes were smoothened using acetone vapors at three different numbers of dipping cycles while dipping time for each cycle was maintained for 15, 20, and 25 sec. By using these control factors (specifically, orientation, frequency, time) multiple response analysis was made using design of expert (DOE) software to control surface roughness (Ra) as main factor. The end objective was to develop optimization schema for investment casting of 316 L stainless steel.
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