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Methods and Technologies

(quick overview)

Most commercially available rapid prototyping machines use one of six techniques. At present, trade restrictions severely limit the import/export of rapid prototyping machines, so this guide only covers systems available in the U.S.

Rapid prototype techniques have developed from experimental techniques into invaluable development tools for engineers. Many companies are now using the capabilities of rapid prototyping to speed up the development and time to market of their products. Rapid prototyping utilises an ever increasing range of materials, from epoxy resins to ceramics and metals.

The main rapid prototyping processes and techniques are:

SLA - Stereolithography
SLS - Selective Laser Sintering
FDM - Fused Disposition Modeling
LOM - Laminated Object Manufacturing
CNC - Computer Numerically Controlled Machining

These techniques can be used to construct models for use as casting patterns or functional prototypes that can help engineers to visualise their designs before production. Experimental analysis, such as flow visualisation and stress analysis, can be used to determine prototype part characteristics.

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Tuesday, March 27 2007 | 10:43:14 AM