Laser Design Inc

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          • 3D Anti-Glare Spray
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              To achieve optimal accuracy and results with 3D laser scanning it is often necessary to apply an anti-reflection coating. Helling 3D Scan Spray is especially designed for this purpose.

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              Industry acclaimed software for professional 3D scanning and data processing.

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              PolyWorks is a powerful industrial 3D metrology software solution.

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              Geomagic software offers products for 3D digital realities.

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              SpaceClaim empowers engineers to be more creative and deliver products to market faster.

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              Volume Graphics offers a range of products for the visualization and analysis of CT data and has become a virtual standard for industrial voxel data analysis.

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              ExactFlat enables manufacturers to design, flatten, conduct pattern engineering, nest, cost and create manufacturing and business documentation all on one platform.

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              3D scanning converts physical objects into precise digital models, enabling you to quickly and accurately capture your object’s shape and geometries.

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              Terrestrial 3D scanning is a ground-based technique for collecting high-density spatial imaging with millions of coordinates quickly and accurately.

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              Terrestrial & Mobile 3D scanning are techniques for collecting high-density spatial imaging with millions of coordinates quickly and accurately for your aircraft, vehicles and vessels.

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              Laser Design is committed to investing in secure resources that ensure that all of our ITAR data is stored in a manner that meets or exceeds the ITAR requirements. With Laser Design you know your ITAR project is not only compliant but being fulfilled by a company that is registered.

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          If you have a scanner but would like help taking your point clouds to CAD format then let the 3D experts help! Everything from small plastic parts, blades to entire ships and buildings.

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          Moving from 2D to 3D improves how your ideas and concepts are shown and communicated. When you’re able to show your designs in 3D verses a static 2D drawing the experience is more realistic.

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3D Scanning Helps Kimberly-Clark Save $500,000

December 4, 2014 by Andrew Larson

Challenge

Determine if a capital investment in larger diameter embossing modules is needed instead of the current embosser.

Embossing serves several purposes on the surface and within absorbent pads of disposable hygiene products. On the surface, embossing can introduce an aesthetically pleasing pattern onto the pad, e.g. appearing soft, which can also affect fit and comfort attributes. It also has a functional purpose of controlling and directing surface flows. The embossing process is evaluated by the resulting embossing quality, which may be a composite measure of embossing depth, breadth, and shape.

As with all commercial machines, there is a continual push to increase the machine line speed. Based on previous research and the theoretical balance of extrusion rates and shear deformation, it was believed that embossing quality is a function of both embossing gap (pressure) and machine speed. It was expected that the embossing quality with the current module at increasing speeds would decrease. More importantly, it was hypothesized that a larger embossing module could actually improve embossing with higher speeds. This would provide a reason to invest in larger embossing modules.

The Solution

img60Theoretically, a larger diameter embossing roll would yield higher quality embossing than modules with a smaller roll. A qualitative direct comparison of the current embosser and the proposed larger module was made by the project team, who concluded that only marginally better embossing was possible with the larger roll. Furthermore, the larger embossing module was more expensive than its smaller counterpart and more difficult to fit into the process because of the larger size. In order to justify investment in larger embossing modules, more compelling evidence was required.

Topographical parameters were traditionally estimated using a technique referred to as “shadow casting”. Angled illumination resulted in a relief image characterized by shadows cast from the sample’s topography. Through image analysis, the shadows’ breadth, darkness, and spatial arrangement were used to infer topographical parameters. The technique used an assumed topography; therefore, measured parameters were indirect. Because many of the materials of interest were fibrous and may have had significant diffuse scattering from a variety of depths, it was necessary to coat the samples so that shadows were cast onto the upper most surface. The coating and subsequent drying processes had topographical consequences.

img61Non-contact laser scanning was a suitable alternative to traditional shadow casting for determining embossing volume and depth. Moreover, sample preparation was easier primarily consisting of aligning the sample in the scan plane, setting the necessary scanning parameters, and collecting the data. Samples could remain uncoated. Acquisition was much faster and depth measurements were more direct than shadow casting. Therefore, a method to measure embossing volume using the Laser Design, Inc. Surveyor RPS120 non-contact laser scanner and image analysis was used. Coarse scanning parameters allowed scans of an 8″x3″ area in under a minute with better than 0.1mm lateral resolution and 10 micron depth resolution. The technique provided fast and direct measurements of macroscopic topographical features, such as embossing. With the development of appropriate macros, this technique could be used for more routine testing of embossing and other macroscopic topographical structures.

The Results

At increased line speeds, virtually the same embossing quality was possible with both the current module and the larger module. This evidence was contrary to the hypothesis that embossing quality would improve with increased line speed using larger embossing modules. This data supported the decision not to invest in larger embossing modules; rather, continue to utilize the current modules, saving the corporation almost $500K.

Filed Under: Case Studies

About Laser Design

Laser Design, a CyberOptics Corporation Brand, has been a leading supplier of 3D scanning systems and services since 1987. Laser Design helps customers successfully solve their most complex 3D inspection, analysis, and reverse engineering challenges quickly, giving them a competitive advantage.

Whether the 3D solution needed is a new 3D scanner or a service project performed in our lab or at your site – Laser Design’s expert metrologists and experienced engineers have you covered – on your schedule, within your budget and with ultra accuracy & results our customers have come to expect.

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What Customers are Saying…

design concept“The turn around time was basically one day. Laser Design scans within a few hours after they open up the box, and then a few more hours and they generate a surface.” –-D.G. @ Design Concepts, Inc.

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