Comparing Slicing Technologies for Digital Light Processing Printing

[+] Author and Article Information
Tsz-Ho Kwok

1455 de Maisonneuve Blvd. W. MIAE Dept Montreal, QC H3G 1M8 Canada tom.thkwok@gmail.com

1Corresponding author.

Manuscript received November 1, 2018; final manuscript received April 25, 2019; published online xx xx, xxxx. Assoc. Editor: Yong Chen.

ASME doi:10.1115/1.4043672 History: Received November 01, 2018; Accepted April 27, 2019


In Additive Manufacturing (AM), slicing is a crucial step in process planning to convert a Computer-Aided Design (CAD) model to a machine-specific format. Digital Light Processing (DLP) printing is an important AM process that has a good surface finish, high accuracy and fabrication speed, and is widely applied in many dental and engineering industries. However, as DLP uses images for fabrication different from other toolpath-based processes, its process planning is understudied. Therefore, the main goal of this paper is to study and compare the slicing technologies for DLP printing. Three slicing technologies are compared: contour, voxelization, and ray-tracing.

Copyright © 2019 by ASME
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