SME to Hold Great Debate - Additive vs. Subtractive Rapid Prototyping; Event will consider the pros and cons of both RP methods.

St. Charles, IL. May 22, 2006 The Society of Manufacturing Engineers (SME) is holding a major debate on rapid prototyping methods on May 24th at its upcoming RP&M Show. David Olson, Roland ASD national sales manager, and Patrick Robb, Stratasys product manager, will face off in an honest discussion about the capabilities of additive rapid prototyping vs. subtractive rapid prototyping.

“This debate is an exciting moment for the entire RP community,” said Olson. “This truthful exchange of ideas will give product designers the information they need to make good decisions about product development. It’s long overdue!”

SRP mills homogeneous, nonproprietary materials to produce low-cost prototypes that are structurally, thermally, and electrically nearly identical to the final production part/product. Its extensive material selection includes popular engineered plastics such as ABS, Delrin, and nylon—often the same material used in the manufactured product. SRP produces prototypes with tight dimensional accuracies and a smooth surface finish. The process also verifies a part’s manufacturability, reduces the number of design iterations and gets products to market faster.

Traditional RP (or additive rapid prototyping) builds prototypes one layer at a time out of a growing selection of proprietary materials. The process quickly and accurately simulates the physical properties of production products. Design engineers today are using several popular additive methods to produce durable prototypes in a wide range of shapes, sizes and colors. The Stratasys process is called FDM or fused deposition modeling. In this process, the machine dispenses two materials, one for the model and one for a disposable support structure. The model is built from the bottom up, one layer at a time.

Society of Manufacturing Engineers

The Society of Manufacturing Engineers is the world's leading professional society supporting manufacturing education. Through its member programs, publications, expositions and professional development resources, SME promotes an increased awareness of manufacturing engineering and helps keep manufacturing professionals up to date on leading trends and technologies. Headquartered in Michigan, SME influences more than half a million manufacturing engineers and executives annually. The Society has members in 70 countries and is supported by a network of hundreds of chapters worldwide. Visit the Web site at

Roland Advanced Solutions Division

Roland ASD develops advanced solutions for the sign making, engraving, jewelry design and CAD/CAM industries. Major products include MDX series SRP milling machines, LPX series 3D laser scanners and MPX series photo impact printers. The strategic business unit is a division of Roland DGA Corporation – an industry leader in wide-format printing and integrated print/cut technology. Roland ASD serves customers throughout North and South America with cutting-edge technologies and skilled dealers. For more information, please call (888) 273-8895 or visit the Web site at

Editorial contact:

Will Curtis, Roland ASD Public Relations
(714) 349-7976
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