Tag Archives: Computer-aided design

Reverse Engineering A Turbine


NVision – The company was tasked with redesigning a turbine so as to optimize its energy efficiency. However, in order to perform the necessary simulations it needed to have the CAD model of the existing turbine, which was not available. “This was a classic scenario for reverse engineering,” said Steve Kersen, NVision’s Vice President of Sales and Marketing. “Lacking the original CAD file, the company needed to create a new one by collecting the turbine geometry at the highest possible level of accuracy and in the shortest amount of time.”

The NVision Handheld scanner is a powerful portable scanning device that is capable of capturing 3D geometry from objects of almost any size or shape. The scanner is attached to a mechanical arm that moves about the object, freeing the user to capture data rapidly with a high degree of resolution and accuracy. As a part is inspected, the scanner generates a point cloud consisting of millions points each with x,y,z coordinates and i,j,k vectors. Integrated software that comes with the scanner is used to convert the point cloud to an STL polygon. more> http://tinyurl.com/odhdxej

Updates from SIEMENS


Christer Oldeide uses NX, wins student design competition

SIEMENS – Christer Oldeide is currently studying Mechanical Engineering, Product Development and Manufacturing at the Norwegian University of Science & Technology. Students were assigned a project to make an electric screwdriver that was inexpensive and suitable for putting together flat pack furniture. Christer came up with the idea of combining a screwdriver and hammer as one. His aim was to make it small and compact and very easy to use.

Christer chose to use NX software to design his winning idea. Previously Christer was a SolidWorks user. His university has various CAD packages including NX which is part of the Siemens PLM Software academic program. He decided to use NX for this project. After taking a little time to get used to the software, his only real challenge was learning how to use surface modulation. Christer used NX fairly comprehensively on the assignment, including the various features and functions that are part of the NX academic bundle such as extrude, revolve, emboss, through curve mesh, scale and edge blend. His favorite aspect of NX was unite/subtract and trim body. He said that NX is a quality software tool –”and it never crashed!”. more> http://tinyurl.com/mzjt8m2

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The Growing Reach Of Product Lifecycle Management


(ENGINEERING.com)By Tony ChristianPLM really started life as technology to help major engineering firms (especially auto companies) to manage the large variety of electronic product information that was being produced by their CAD systems at the design stage.

Now, the ambition for PLM is to extend its reach in the other direction – at the front end of the overall product lifecycle back as far as the initial innovation stage. PLM has been very successful in managing design in a controlled environment, but the initial idea creation phase requires support for free-flowing interaction and selection of winning options for development based on informed decision making. Manufacturers in multi-product, multi-industry businesses will have a huge range of potential development projects. So, before the design effort starts in earnest – the classic starting point for PLM – there is a major exercise in the selection of the projects to pursue. more> http://tinyurl.com/k9q5aph

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Vuuch Makes Product Development Social


By Beth Stackpole – One of the more vocal candidates in the social field is Vuuch, which bills itself as an enterprise social software provider. In 2010, we reported on its adding of a social networking layer to traditional CAD, PLM, and desktop tools like Microsoft Word and Excel.

One of the most common reasons engineers are hesitant to apply social networking conventions to serious development work is they perceive a lot of what goes on in networks like Facebook (like “Friending”) as frivolous. Vuuch takes a different view of social relationships. It draws connections and keeps teams centered on discussions based on specific work deliverables, not person-to-person relationships. more> http://tinyurl.com/blp5jjm

CAD’s New Age of Functionality


By Beth Stackpole – In the 2000s, CAD was in a rut. Sure, there were regular updates with lots of new power features, but the advances did little to attract or inspire new users beyond the traditional base of CAD jockeys. Other emerging design platforms like Product Lifecycle Management (PLM) and new Computer-Aided Engineering (CAE) tools grabbed the spotlight.

Lately, CAD has made a resurgence. Thanks to an array of new 3D modeling advances and, in some cases, a complete rethinking of how CAD functionality is delivered, we’re starting to see an exciting generation of new platforms. more> http://tinyurl.com/899fz7z