May 8-11, 2017 | David L. Lawrence Convention Center | Pittsburgh, Pennsylvania | Exhibits May 9-11

Techniques and Methods for 3D Scanning Internal Geometry with Replicating Rubber

3D Imaging / Scanning I, II

Novice May 9, 2017 2:45 pm - 3:10 pm

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Steven B. Lelinski, Director of Engineering, Advanced Simulation Technology Inc

Parts with internal or occluded features, translucency, or high reflectivity have long been the most difficult to measure for optical scanners. The use of silicone replicating rubber has been a successful solution to these problems. Applying the rubber in its fluid form can be a challenge and barrier to entry for users unfamiliar with silicone molding.

This presentation will give an overview of the benefits of using replicating rubber as a means to collect 3D data from internal geometry. The overview will include examples of projects scanned using replicating rubber and a technical discussion of why replicating rubber is suitable for use in precision metrology. Methods for application of the fluid form will be demonstrated with a focus on creating accurate, easy to use replications. Finally, experimental data regarding the accuracy of properly formed rubber replicas will be presented in the form of a case study involving a known precision artifact.

Steven B. Lelinski

Director of Engineering
Advanced Simulation Technology Inc

Steven Lelinski joined AST in 2004. In 2005 he helped AST ente