Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/22711
Title: Tool path generation of multi-material assembly for rapid manufacture
Authors: Zhu, WM
Yu, KM 
Keywords: Assembly
Modelling
Rapid tooling
Issue Date: 2002
Publisher: Emerald
Source: Rapid prototyping journal, 2002, v. 8, no. 5, p. 277-283 How to cite?
Journal: Rapid Prototyping Journal 
Abstract: Tool path generation is the key procedure to fabricate multi-material (MM) assemblies in rapid prototyping (RP) machines. In slicing MM assembly, there will be 2D regions of different materials. The regions need to be filled into 2.5D slabs. In order to complete all regions in a certain slice faster, tool holders should fill the regions simultaneously. In other words, the tool holders will move around in the RP work envelope concurrently. In such case, Interference between tool holders may occur. Therefore, collision-free path plan should be generated. In this paper, a dexel based spatio-temporal modelling approach is proposed for detecting collision in rapid manufacturing MM assemblies. The approach is based on 2D regions in dexel representation, which needs only simple computation. As a result, tool holders can fill MM regions simultaneously and efficiently.
URI: http://hdl.handle.net/10397/22711
ISSN: 1355-2546
DOI: 10.1108/13552540210451741
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