1998 / Solid Freeform Fabrication Proceedings
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Author Wanlong Wang, James G. Conley, Henry W. Stoll, Northwestern University
Source Solid Freeform Fabrication Proceedings, 1998, pp 417-426
Abstract Rapid tooling for sand casting can be made by creating pattern with elements made by solid freeform fabrication (SFF) devices. Using this approach, post-processing and hand finishing remain as necessary steps to improve the surface finish quality of the pattern. For rapid tooling using laminated object manufacturing (LOM) models, post-processing includes decubing, sanding and sealing followed by integration with a match plate and/or conventional cope and drag pattern elements. Since the critical finishing operations are intensively manual, it is difficult to estimate the dimensional capability of rapid tooling by LOM process. The objective of this paper is to use statistics to evaluate dimensional variability associated with post processing using the accepted industry best practice. (Auth abstract) [References: 11]
Solid Freeform Fabrication Proceedings can be obtained from: The Solid Freeform Fabrication Symposium
or contact:
The University of Texas at Austin
Laboratory for Freeform Fabrication / Texas Materials Institute
Mechanical Engineering Dept.
c/o The Solid Freeform Fabrication Symposium
MC C2200
Austin, TX 78712-1063 USA
512-471-3026; 512-471-7681 FX; Email: sffsymp@uts.cc.utexas.edu