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Web-based online submission of computer aided design (CAD) models for prototype parts is getting popular among service bureaus and gaining wider acceptance among rapid prototyping users. In the web based rapid prototyping (RP), an instant quote needs to be generated for an arbitrary polygonal model (usually in STL format). Hence the manufacturability analysis of polygonal models is critical in automating...
A large model needs to be partitioned into a set of smaller sub-models which can be fabricated by the existed machining tools. To facilitate the assembly of sub-models, this paper presents an original method for generating the similar-shaped assembly feature on the splice surface automatically. Instead of directly triangulating the cutting region, the cutting contour is inward offset to achieve the...
Laser Metal Deposition Shaping (LMDS) is a new rapid manufacturing technology, which combines with computer aided design, laser cladding and rapid prototyping. The advanced technology can build fully-dense metal components directly from the information transferred from a computer file by depositing metal powders layer by layer with neither mould nor tool. Since LMDS technology is a substantially complex...
This paper reports on the technique of rapid production of hearing aids with rapid shell modelling (RSM) Computer Aided Design and Manufacturing (CADCAM). It will be worthwhile to understand how the virtual shell designed with RSM from the ear impression. And this virtual shell model is then used as the template to manufacture the actual shell by the RP machine. A detailed description of the processing...
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