Laser Compensation for Ceramics Accuracy Improvement of Selective Laser Sintering

Abstract:

This research developed a feedback control system of laser compensation for the rapid prototyping (RP) machine using layer-wise slurry deposition and selective laser sintering (SLS). The slurry was prepared by silica power and silica sol with 60 and 40 wt.% with suitable rheological properties for 0.1 mm layer deposition. Four ceramics for comparison of the formability of fabricated ceramic green parts with/without the feedback control system of laser energy density for models were designed With this laser feedback control, batter quality ceramic green parts can be manufactured and the rapid prototyping machine with steady laser energy radiated on slurry layer was achieved. Experimental results validate the well performance of the measuring laser power and feedback control system.

• Periodical: Advanced Materials Research (Volume 902)
• Pages: 12-17
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.902.12
• Online since: February 2014
• Authors: Ruey Tsung Lee, Fwu Hsing Liu*, Ku En Ting, Sheng Lih Yeh, Wen Hsueng Lin
• Keywords: Ceramic Slurry, Laser Compensation, Rapid Prototyping, Selective Laser Sintering

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