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The CWM OEM Engineering Letter from Chicago White Metal Casting and its CNC & Contract Manufacturing Divisions |
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Vol. 4, Issue
No. 3, Fall 2008
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Green Biz Co. |
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IN THIS ISSUE |
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| OEM "Collaborative Engineering" White Paper: With Higher Strength & Performance Specs, Die Castings Outperform Plastics— and Offer the Greenest Choice Today manufacturers of a wide range of new or redesigned functional products are weighing the benefits of using “greener” products and processes. For specifiers of plastic housings and components, this increasingly means giving the die cast alternative a second look. 1: The Cost/Performance Decision. Material and process cost and performance, of course, has to be among the first requirements on the OEM design engineer’s list. Where higher strength and performance are not critical factors, cheaper plastics are commonly selected. For many products, however, thin-wall die castings can be very cost-effective. When impact strength and light weight are important, magnesium die castings can prove superior to premium molded plastics with high-strength fillers added, at comparable costs. Polymer engineers agree that adding any form of filler will always have some detrimental effect on a plastic. And die casting offers benefits similar to plastic molding in allowing part consolidation in designs for lower assembly costs. 2. Die Casting vs Plastic: The Greenest? The die cast alternative is the clear choice for lessening the impact on the earth’s environment. Virtually all commercial and industrial die castings are produced from recycled, and further recyclable, Al, Mg & Zn alloy. A long-established recycling infrastructure serves the die casting industry, still a distant dream for molded plastics. Unlike certified recycled die casting alloy, recycled plastics cannot claim the strength of the original material, thus limiting their use and making specification more difficult. The greener choice is not a difficult one. CWM's CNC Machining Centers Increased to 27 For Improved Output, Flexibility & Reduced Lead Times ![]() ![]() With the addition of two new Leadwell CNC machining centers to its CNC Machining Division, an MV-40 and MV-50 unit (shown above), Chicago White Metal has increased its number of centers to 27, V.P., CNC Technologies, Brian Andrews announced. The new Leadwells, in addition to further expanding CWM’s capability for highest RPM spindle speeds and precision, accommodate still larger parts and more efficient programming. The MV-50’s fixture bed offers an extra large area for multiple operations (above, right). A wider range of prototyping, dedicated machining and post-casting machining can be performed at optimum efficiencies by CWM in house. To forward this issue to a Colleague: If you would like a colleague to see this issue of "CWM OEM Solutions," just copy and paste the following Internet link in your Email message: http://www.cwm-lit.info/cwmOEM/08-3 To Unsubscribe: If you do not wish to receive notification of new issues of CWM's OEM Newsletter in the future, we will remove your name from our permission-based OEM E-mail list. Send an Email to: cwm-remove@e-int.com Place "Remove My OEM Email Address" in the subject line, and say "CWM OEM Newsletter removal" in the message space. Be sure the Email address you are using for this message is the same as the one we used to address you. We apologize if we received your original permission in error. To Change Your Email Address: If you are in the process of changing your Email address, send your new address to us at: cwm-change@e-int.com Place "Email Address Change" in the subject line, and include "For CWM OEM Newsletter" in the message space. Please include your full name, city, and state or province, so we can locate and remove your previous Email address. Back to Top |
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