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November 2017

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Service Pack 1 for CAD Model Translation, Repair and Simplification

DXF/DWG assembly import and export in CADfix 11 SP1

CADfix 11 SP1's curved facet slicer generates more accurate slices faster.

Top left: Original geometry, Bottom right: CADfix 11 SP1 Shrink-wrapped

Mid-surfaces can be automatically generated from CAD solids in CADfix 11 SP1.

International TechneGroup Incorporated (ITI) has released Service Pack 1 for CADfix 11, a software for CAD model translation, repair and simplification. Engineers using CADfix to address problems of 3-D model data exchange will see updated native CAD interfaces for NX11, Creo 4 and SOLIDWORKS 2017, as well as neutral format CAD interface improvements, new features and innovative tools.

New support for DXF/DWG assemblies means faster model processing and smaller files. ITI's recent webinar demonstrated the power of using CADfix to simplify large CAD assemblies for integration into Plant and Process design systems, where users will see file size reductions and productivity improvements as a result of this enhancement.

CADfix offers a large set of defeaturing tools that enable users to remove features from CAD models that might otherwise constrain their downstream applications, such as CAE meshing. A new incremental algorithm for the fillet removal tool in SP1 allows CADfix to better handle complex split fillets and junctions with a higher success rate.

"Through involvement in the Hyproline and Symbionica projects, ITI has responded to an increased need for innovative geometry handling for additive manufacturing," said a company spokesperson. "The CADfix 2-D slicer has improved capabilities using curved facets to better match the geometry being sliced, and a new method for detecting multiple loop slices that handles more complex cases. Parallelization has resulted in highly accurate slices being generated considerably faster." A new hatching tool also allows CAM users to generate variable radius toolpaths that can be exported to a CL file.

A new shrink-wrap algorithm in SP1 offers a more robust method for capturing thin regions and sharp edges, for example on trailing edges and junctions of aerospace models, and an option to recover CAD parency enables quality re-meshing with complex size controls. The high level of automation requires minimal user input and cleanup to get a usable wrap first time. The shrink-wrap tool will continue to be developed with an aim to be fully productionized in CADfix 12.

Service Pack 1 also features a new prototype automatic mid-surface tool that provides a high level of automation. Starting from the solid CAD model, CADfix can generate either new BREP mid-surface geometry or a mid-surface mesh containing thickness attributes derived from the source 3-D model. Using the 3-D Medial Object, CADfix's mid-surface represents the true mid-surface through a solid body, taking into account complex junctions and variable thicknesses.

Andy Chinn, Commercial Director at ITI UK's CADfix development office said, "With the release of CADfix 11 Service Pack 1 we continue to provide enhancements for our existing user base, particularly in the area of CAD to CAE integration and process automation for advanced analysis. It is also exciting to see new and innovative developments aimed at helping users in the additive manufacturing and process and plant engineering industries, who have equally challenging geometry handling issues and where the application of CADfix can bring both quality and productivity gains."

For more information contact:

International TechneGroup Incorporated

5303 DuPont Circle

Milford, OH 45150


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