Mississippi Polymer Institute Acquires NVision Scanner to Provide Inspection and Re-engineering Services
The scanner provides MPI with an important new capability to help polymer companies solve technical problems, improve products and processes and train employees.
- (1888PressRelease) March 22, 2012 - The Mississippi Polymer Institute (MPI) helps smaller companies in the polymer industry succeed by using an NVision MobileScan laser scanning system to re-engineer or inspect parts to a high level of accuracy. "By inspecting first articles, we help injection molders ensure that their first article matches the design intent," said Bryan Brister of MPI. "We also re-engineer tools and parts to create a CAD file that can be used to reproduce the object or modify its design."
MPI is a resource for polymer-related industries in Mississippi, sharing its expertise in the sciences, computer applications, product design and manufacturing of polymer materials, plastics processors, product designers and manufacturers that use polymer components in their products. It is associated with the School for Polymers and High Performance Materials at the University of Southern Mississippi, recognized as one of the top 10 Polymer Science Programs in the United States by U.S. News and World Report.
MPI was early to invest in rapid prototyping technology, which it uses to produce concept models and functional prototypes for its clients. "We recognized an unmet need to perform first article inspections and to provide CAD files of parts that were designed using manual methods," Brister said. "We evaluated lasers from a number of companies and selected the MobileScan laser scanner from NVision because it is the most accurate mobile scanner we could find."
NVision's MobileScan 3D laser scanning system provides a point spacing of 0.001" and an accuracy of +/- 0.0005" while collecting measurements at a rate of 30,000 points per second. The MobileScan HD sensor has a 2-axis servo controlled swivel head that is integrated with a turntable. The key to the system's accuracy is that it uses only one servo and rotary encoder at any one time and these components are manufactured to the highest specification available. "By minimizing the opportunities for error to be introduced; the highest level of accuracy can be achieved," said Steve Kersen, VP of Sales and Marketing for NVision.
One example of an MPI laser scanning project involved a professor from a dental school who wanted to build posts to mount a number of dental crowns for educational purposes. MPI scanned the crowns with the MobileScan and produced a CAD file. Then they made inverse images of the cavities in the crowns and used them to build the post on a rapid prototyping machine.
In another project, an injection molding shop approached MPI because they had a tool that had cracked but were unable to build another because they did not have a CAD file. MPI scanned the mold, electronically repaired the crack and created a CAD file. The mold shop used the CAD file as the basis for a computer numerical control (CNC) program that was used to build the new mold.
"Our new NVision scanner provides us with an important new capability that we are using to help polymer companies solve technical problems, improve products and processes and train employees so these firms will grow and contribute to the economic development of Mississippi," Brister concluded.
For more information, contact NVision, Inc., 440 Wrangler Dr, Suite 200, Coppell, TX 75019. Ph: 972.393.8000, Fax: 972.393.8002. E-mail: sales ( @ ) nvision3d dot com. Visit NVision's Web site at http://www.nvision3d.com/.
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