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Slicing issues in CAD translation to STL in rapid prototyping

Slicing issues in CAD translation to STL in rapid prototyping

Sahatoo, Divesh, Chowdary, Boppana V., Ali, Fahraz F. and Bhatti, Rajinderpal (2008) Slicing issues in CAD translation to STL in rapid prototyping. Proceedings of The 2008 IAJC-IJME International Conference. International Association of Journals and Conferences/International Journal of Modern Engineering, California State University, Northridge. ISBN 9781606433799

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The rapid prototyping (RP) process is being used widely with great potential for rapid manufacturing of functional parts. The RP process involves translation of the CAD file to STL format followed by slicing of the model into multiple horizontal layers, each of which is
reproduced physically in making the prototype. The thickness of the resulting slices has a
profound effect on the surface finish and build time of the prototype. The purpose of this paper is to show the effects of slice thickness on the surface finish, layering error, and build time of a prototype, as well as to show how an efficient STL file can be developed. Three
objects were modeled and STL files were generated. One STL file for each object was sliced using different slice thicknesses, and the build times were obtained. Screenshots were used to show the slicing effect on layering error and surface finish and to demonstrate the means to a
more efficient STL file. From the results, it is clear that the surface finish and build time are
important factors that are affected by slice thickness

Item Type: Book Section
Additional Information: This paper Paper 021 Eng103 which forms part of a proceedings was given at IAJC-IJME International Conference on Engineering & Technology November 17-19, 2008 - Music City Sheraton Nashville, TN, USA
Uncontrolled Keywords: STL, rapid prototyping
Subjects: T Technology > T Technology (General)
T Technology > TJ Mechanical engineering and machinery
T Technology > TS Manufactures
Pre-2014 Departments: School of Engineering
School of Engineering > Department of Engineering Systems
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Last Modified: 28 Jan 2020 13:45

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