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The latest information on engineering materials March 3, 2009


Brrrrr!
It's March, but winter is still gripping much of the country and the economic picture is as bleak as it's been for months. But even when the world seems stuck in a rut, engineers keep finding new ways to meet everyday challenges.

In this month's newsletter we'll look at polymers for cabling, magnesium molding, and thermoplastic elasotmers. Scroll down for new products, news from MD, and industry news.

And please let us know how you're weathering both winter and economic storms. You can contact us by email, comment on any article on our website, or post an item at our forums.

Jessica Shapiro


Articles

Expanded PTFE polymer keeps electrical and electronics cables clean and flexible
When you think of polytetrafluoroethylene (PTFE), the nonstick coating on your pots and pans might be the first thing that comes to mind. Some of the same properties that let food release from cooking surfaces have made PTFE attractive to engineers for applications from insulation to sliding surfaces since its discovery in 1938.

These same characteristics let PTFE and its expanded derivatives (ePTFE) work well in cables for today’s demanding, high-flex, low-downtime applications. The materials can give cables long flex-life, extra strength, better signal transmission, and clean-room performance.
Read the full article.


Advertisement

FREE FRICTION CD FROM GENERAL MAGNAPLATE

Increase the life of metal components with a FREE CD-ROM from General Magnaplate. The easy-to-use CD assists design engineers in selecting permanent coatings that prevent wear, friction, corrosion, sticking, galling, and chemical attack on ferrous and nonferrous metals. The CD resource compares the static and kinetic coefficient of friction (COF) of numerous metals with 20 Magnaplate-applied 'synergistic' coatings.
General Magnaplate's surface enhancements become an integral part of the metal providing permanent, superior performance.





Novel manufacturing technique produces parts lighter and stronger than aluminum
Magnesium injection molding (MAG) shapes parts out of magnesium alloy in a semifluid state, without the need of binders, resins, or sintering. This gives the relatively new technique an environmentally friendly tag. MAG is a socalled “thixomolding” process — the name comes from the word “thixotropy,” the property of certain fluids to exhibit changes in viscosity depending on sheer stresses. MAG produces net or near-net parts.

Thixomolding and Thixomolded are registered trademarks of Thixomat, Inc., Ann Arbor, Mich.
Read the full article.


Advertisement

Motion Resource Center

Every solution requires the right tools to get the job done correctly. Danaher Motion has created a web page with descriptions and access to motor sizing/selection software, on-line servo technology database, an engineering toolbar for various calculations and more. The site even has more details concerning a Motion Control Handbook that will be a great resource even when a computer with web access is available.





Thermoplastic elastomer market growth continues
TPEs, a varied class of compounds that are easier and greener to process than thermosets, are gaining acceptance in industries including automotive and medical.

Thermoplastic elastomers (TPEs) are showing up in more and more places these days. The array of polymers that fall under the TPE umbrella, not to mention the color, texture, and property options they offer designers, can be truly bewildering. But sorting out the TPE universe can help a designer cut part count, shorten process time, and improve product durability.
Read the full article.


New Products

Plug-and-play finishing
The BC40 Tru Temp finishing system forms a corrosion-resistant, nondimensional, black magnetite finish that meets MIL-C-13924C, Class-1 requirements on iron or nonstainless-steel parts. The process uses two-stage oxidation at 200°F. Process turnaround time is 25 min, with throughputs of up to 2,000 lb/shift. The finishing system's seven 16 × 24 × 24-in. tanks have a total footprint of 3 × 15 ft. The low temperature prevents boilover, and process chemicals are not EPA regulated.
Birchwood Casey

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Insulating clear sheets
Lexan Thermoclear clear, multiwall sheets have a nine-wall, X-shaped cross section that forms multiple insulating air pockets between indoor and outdoor environments. The trusslike structure also adds stiffness, strength, and impact resistance. The sheets’ overall heat-transfer coefficient is 1.187 to 0.985 W/m2-K. A proprietary coating on each surface provides UV protection and preserves optical quality. The material comes in 35, 40, 45, and 50-mm thicknesses.
Sabic Innovative Plastics

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Urethane conformal coating
Dual-Cure 9481 one-part, solvent-free, acrylated urethane conformal coating sets in 3 sec and reaches full cure in about 5 min under visible or UV light. Shaded regions of the part reach full cure in two to three days in ambient moisture. The coating fluoresces blue under blacklight inspection.

The uncured material has low surface energy and 125-cP viscosity. It can be sprayed on to a final thickness of 0.001 to 0.003 in. It has a dielectric constant of 3.25 and a dissipation factor of 0.01 at 1 MHz. Its dielectric strength is 75 kV/mm, and its surface resistivity is 2.46 × 1016Ω.
Dymax Corp.


News from MD

Energy Efficiency Web Conference & Expo –
May 14

Do you know you can get in-depth education on energy-efficiency and all the benefits of an in-person trade show without ever leaving your desk or spending a dime?
The intelligent use of energy is making headlines. Product designers and manufacturers are striving to deliver products that consume less power, extend battery life, generate less heat, or work from alternative energy sources. Our Energy Efficiency Web Conference and Expo will educate design engineers, product developers, and managers on how to make the best use of energy-efficient product innovations and devices, and on how to arrange them in systems to lower power consumption and stay "green." This special one-day event will include sessions on such areas as:
  • Power-efficient drive techniques for lighting
  • ROI for high-efficiency capital equipment
  • Energy monitoring and energy standards
  • Designing for SEMI S23 and the Energy Act of 2007
  • Working with alternative power and battery technology
Make plans now to attend the Energy Efficiency Web Conference and Expo. The event offers a full day of live webinars and interactive booths, along with a Resource Center where visitors can download or link to additional materials.

Register Now!

Machine Design Video Spotlight

Machine Vision for Compliance
Vision systems aid compliance with the growing volumes of regulations in the manufacturing sector. John Lewis of Cognex Corp. demonstrates some of those methods to Lee Teschler of Machine Design.


Check Out the New Machinedesign.com

Our newly redesigned web site still features the best content and information for engineers provided by engineers but with these new great features.

Multiple Path Navigation
Find content your way. Improved site navigation creates multiple ways to find the content you are looking for.

Supercharged Search
The search function has been highly improved and tested to provide the most effective results for engineers.

Highlighted Resources
Looking for CAD drawings? Find them in our CAD Library. Download whitepapers in the Whitepaper Library. Valuable educational content is featured in the eBook section. Check out the latest in editorial and sponsored video in the Video section.


UPCOMING WEBCASTS

Take Advantage of Web-based File Sharing
Sponsored by PTC
DATE: March 5th, 2009
TIME: 2:00pm ET/11am PT

Collaboration is essential to successful product development in today’s difficult economy. However, facilitating and managing the process is growing increasingly difficult. Design teams must participate from all parts of the world, develop products that are more complex than ever before, and deal with product-update cycles that move faster and faster.

Do you have the right CAD collaboration platform?

  • Do you use network folders or an FTP site to manage CAD files?
  • Have you experienced trouble locating the latest versions of CAD files?
  • Are you looking for an easy way to collaborate internally?
Companies of all sizes face Product Data Management and Product Lifecycle Management challenges. Fortunately, quick-to-deploy solutions can help companies overcome these challenges. In this Webinar, we’ll explore how design teams in small and medium-size companies can use these solutions to work concurrently, find the right files, share data and enable social product development.

Click here to learn more and register!


The Fundamentals of CANopen for Industrial Machine Control
Sponsored by Maxon Precision Motors
DATE: March 12th, 2009
TIME: 2:00pm ET/11am PT

CANopen is an industrial networking system used in millions of applications worldwide. It is based on Controller Area Network (CAN) technology, a proven serial bus that links multiple devices, allowing them to work together.
Optimized for reliability and real-time control, CAN/CANopen is especially well suited for motion systems consisting of actuators, sensors, controllers, and analog and digital I/O. It also offers a competitive edge. Unlike other serial-bus systems, CANopen maintains a certain level of manufacturer independence through standard device profiles with layered flexibility.
In this overview of the CANopen specification, we will give designers a fundamental understanding of the platform, advantages and disadvantages, and where the standard is headed. We’ll also take a focused look at device profiles, including an actual multi-networked application, and explore the various communication layers and how they can be optimized for industrial control applications.

Click here to learn more and register!


ARCHIVED WEBCASTS AVAILABLE FOR FREE VIEWING


Click Here for a list of archived Machine Design webcasts.

Industry Update

DSM Desotech's antitrust case moves forward
Photochemical resin supplier DSM Desotech's federal and state antitrust case against 3D Systems has been approved by a U.S. District Court. Judge Joan H. Lefkow ruled the majority of Desotech’s claims could proceed, including claims for attempted monopolization, unreasonable restraint of trade, deceptive trade practices, and tortious interference with prospective business relations. 3D Systems did not move to dismiss Desotech’s patent infringement count.
For more information, visit DSM Desotech.

IDI Composites improves bulk and sheet molding compound processes
IDI Composites International, formulator and manufacturer of BMC and SMC thermoset molding compounds, announced several manufacturing process improvements at its Noblesville, Ind. location. The processing lines now feature three-stream in-line metering, automated paste-dispensing and doctor-blade systems, compaction control, high volume, automated mixing, a feeder/bagging system, an automated extrusion line, and a temperature-controlled storage area.

“We’re certain this will result in far superior molding compounds for high-performance end products,” said Tom Flood, Vice President and General Manager.
For more information, contact IDI Composites


Sikes Composites recognized
Sikes Composites, Wetumpka, Ala., a manufacturer of fiberglass composite components, has been named “Outstanding Supplier” by Altec Industries, Birmingham. The company supplies aerial lift platforms and other fiberglass components to Altec. Over the past year, Sikes has improved efficiency and on-time product delivery to 93%.

“That, along with standardizing our work procedures and processes, has tremendously improved our product quality,” says co-owner Curtis Howard.
For more information, visit Sikes Composites


Featured Links

First Cut
CNC machined parts in 1-3 business days. Get parts with better material properties, surface finishes and dimensional properties than additive rapid prototypes. Visit www.firstcut.com

Protomold
Turn your 3D CAD model into real plastic parts in one business day! Visit www.protomold.com for information and a free automated ProtoQuote®. www.protomold.com

Boker's Free 2009 Washer Catalog
Boker's 2009 Washer Catalog has over 23,000 non-standard sizes with outside diameters of 0.080" to 5.140", numerous IDs and thicknesses and 2,000 material variations. ISO 9001:2000 Registered
www.bokers.com/mde



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Contact Information
Editorial questions:   Jessica Shapiro 216-931-9850
Advertising/sponsorship opportunities:   Virginia Goulding 216-931-9893

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