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SolidWorks Prints Directly to Solids. Author: DE Editors. Desktop Engineering, January 2005. 3D Systems InVision (TM) has been integrated right into the Solidworks software. This is another small step in the evolution of 3D printers into everyday peripheral devices.
New SLS process turns powder into prototypes. Author: AM Staff. American Machinist, January 01, 2005. Researchers at the University of Queensland (Australia) have extended the SLS process to aluminum.
How to Compare RP Materials to Production Manufacturing Materials. Author: Charlie Kaufmann. Time Compression Technologies, Aug. 2004. Superimposing the stress-strain curve of an RP material over the engineering plastic its intended to replace is a reliable method for comparison.
Truly Functional Testing: Part 1. Author: Tom Mueller. Time Compression Technologies, Aug. 2004. Selecting RP materials so that valid conclusions about the production part can be drawn from testing RP parts. This is a very useful article and must have taken a lot of effort to compile the data. The author has provded charts that show how a large number of plastic RP materials compare with various engineering plastics. Part II of the article (TCT, Nov. 2004) is not available at the time of this writing, but here's the link.
Rapid Prototyping: Add or Subtract? Author: Will Curtis. Appliance Manufacturer, May, 2004. Compares popular additive RP systems with subtractive rapid prototyping (SRP). The author is with Roland, a manufacturer of small CNC millers, but the article is based on an objective study that shows SRP to be a good choice in many situations.
Rapid Prototyping Benchmark of 3-D Printers. Author: Todd Grimm. Time Compression Technologies, Jan., 2004. A useful summary of an extensive comparison study of several 3D printer technologies. Also provides information on how they stack up against low-cost CNC and big-iron stereolithography.
Rapid prototyping gets faster and cheaper. Author: Neil Gross. Business Week, Dec 1, 2003. Selective Inhibition Sintering (SIS) developed by Behrokh Khoshnevis at the University of Southern California is described. The method has the potential to be fast and low-cost.
Rapid Metal. Author: Patrick Waurzyniak. Manufacturing Engineering, Nov., 2003. A discussion of the laser-based Direct Metal Deposition process from POM Group is the main emphasis. It deposits fully dense metal to create new tools or repair existing tooling. In addition, direct metal casting with the Z Cast process from Z Corporation, as well as a few other additive metal processes are discussed.
Intricate parts from the inside out. Author: Richard Grylls. Machine Design, Sept 4, 2003. A description of the Laser Engineered Net Shaping, LENS (TM), process. The article describes the advantages and characteristics of the method and gives examples of its applications.
Free-Forming With Soybean Oil. Author: Linda McGraw. From Agricultural Research Magazine, Aug., 2001. Soy-based polymer slurry can be used in a selective extrusion depostion process, similar to FDM, to create composite parts for vehicles or other products. Soy is a renewable resource and can replace oil-based polymers in many applications.
DMD and other Rapid Prototyping: An Outside Opinion. Author: Sheree Martin. NDX.com web site, 4/27/2001. In this interview Brent Stucker, Director of the Rapid Manufacturing Center at the University of Rhode Island, provides an overview of direct metal depostion techniques. He compares the technologies provided by Optomec and POM-Group, LENS ® (Reg. trademark of Sandia National Labs. and Sandia Corp.) and DMD respectively with selective laser sintering (SLS) and other RP methods.
Taking a powder. Author: Robert Irving. From Mechanical Engineering, Sept., 1999. While this article is getting a little old, it still provides an excellent overview of the various laser powder forming technologies such as LENS ® (Reg. trademark of Sandia National Labs. and Sandia Corp.) and competitors.
