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Align

Get the alignment right

Inspecting and analyzing a measured part is only possible if the digitized data is properly positioned and oriented in 3D. Typically, a measured part is aligned to its nominal CAD model to enable the extraction and comparison of nominal and measured dimensions. It can also be assembled virtually to the surrounding mating parts in order to check for interference issues or to analyze flush and gap deviations.

PolyWorks|Inspector™ offers a broad range of part alignment techniques that let users construct alignments with:

  • Surfaces or cross-sections (measured-to-nominal best-fit, constrainable in rotation/translation, and within tolerance zone)

  • Features (3-2-1, pairs of center points, and GD&T datum reference frames)

  • Reference points and lines (RPS, surface points, and six-point nest)

  • Virtual gauges (caliper, flush & gap, and airfoil)

Maximizing the benefits of 3D measurement technologies for

industrial manufacturing organizations

Defining the cutting edge of 3D metrology, the PolyWorks software suite maximizes productivity, quality, and profitability when integrating 3D measurement technologies into an industrial manufacturing process. From part and tool design and prototyping down to final inspection of assembled products, PolyWorks offers advanced solutions to cover the complete product development cycle. Interfacing directly with major brands and technologies of single-point and point cloud 3D measurement devices through plug-in extension modules, this universal platform also supports a wide array of native point cloud and polygonal model file formats. With its fully customizable user interface and powerful, user-friendly macro programming language, PolyWorks offers the most adaptable software solution on the 3D metrology market. This flexibility allows our customers to successfully develop and deploy automatic inspection processes or guided operator-driven workflows for effective shop floor operations.

Polygonal Modeling

Manufacture from polygonal models

 

The first step in a reverse-engineering workflow consists in transforming digitized point clouds into a polygonal model, an operation also called "meshing". Sophisticated data-processing techniques, including point smoothing and curvature-based sampling, can be applied to raw point clouds during the meshing phase. As a result, polygonal models tend to be more compact, more accurate, and less noisy in comparison to the raw measurements.

Several industrial applications are capable of directly handling polygonal model representations. For example, polygonal models can be either directly milled, built using a 3D printer, or input into aerodynamic simulation software. PolyWorks|Modeler™ provides two categories of polygon-editing tools to prepare polygonal models for these applications:

  • A first set of tools is designed to repair and optimize imperfectly digitized geometry. For example, it may be necessary to interpolate new polygons over unmeasured areas to create a complete surface representation.

  • A second set of tools offers CAD operations on polygonal models, such as extrusion, offset, fillet, and Boolean operations.