Extruder path generation for Curved Layer Fused Deposition Modeling

Authors:
Debapriya Chakraborty;B. Aneesh Reddy;A. Roy Choudhury
Affiliations:
Department of Mechanical Engineering, Indian Institute of Technology, Kharagpur-721302, India;Department of Mechanical Engineering, Indian Institute of Technology, Kharagpur-721302, India;Department of Mechanical Engineering, Indian Institute of Technology, Kharagpur-721302, India
Venue:
Computer-Aided Design
Year:
2008

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Abstract

Extruder path generation for a new rapid prototyping technique named ''Curved Layer Fused Deposition Modeling'' (CLFDM) has been presented. The prototyping technique employs deposition of material in curved layers in contrast to flat layers as in Fused Deposition Modeling (FDM). The proposed method would be particularly advantageous over FDM in the manufacturing of thin, curved parts (shells) by reduction of stair-step effect, increase in strength and reduction in the number of layers. The criteria for the generation of tool paths for CLFDM are proper orientation of filaments and appropriate bonding between adjacent filaments in same layer and in successive layers.