Husky Injection Molding System’s (Bolton, ON) acquisition of the Altanium line of hot runner temperature controllers as part of the $7 million Moldflow Manufacturing Solution’s deal not only brings that product in house for Husky, but ends a long-standing relationship with Gammaflux LP (Sterling, VA), which had supplied thousands of hot runner temperature controllers to Husky that in turn were “private-labeled”. The supplier relationship, which had lasted for more than 20 years and often included service as well as manufacturing, will cease, but Gammaflux says it is ready and willing to support the Husky/Gammaflux LEC and TTC temperature controllers still in the field. The company also said in a release that Husky users can now purchase directly from Gammaflux. The Altanium is a modular, small-footprint hot runner temperature controller that can support from one to 255 zones. According to the Husky’s 2006 annual report, orders for its hot runner systems grew 17% last year, with manufacturing expanded via a dedicated facility in Shenzhen, China, and design augmented, with an automotive hot runner design team established in Detroit. Husky claims global leadership in hot runners for consumer electronics molds, and it also maintains a strong presence in packaging and medical applications hot runner sales. Going forward, Husky said it plans to establish hot runner manufacturing in Singapore and India. Gammaflux supplies its LEC hot runner temperature controllers for systems from two to 24 zones, with TTC temperature controls and advanced software for larger systems up to 640 zones.—[email protected] First Look: Industry News & Analysis Aug 01, 2007
’Green’ building is predicted to offer good future business opportunities for plastics processors who make sustainable construction a focal point. According to a U.S. survey of members of the National Assn. of Home Builders (NAHB) conducted by McGraw-Hill Construction, sustainable building products and technologies are predicted to become a $50 billion market in three years. The study found that 10% of the homes to be built in 2010 are expected to be green by virtue of at least three of five ’green’ building elements. These are identified by the NAHB’s Clarke Snell as low-construction impact on the local ecosystem; resource efficiency; designing for long service life; use of nontoxic materials; and component elements that work together to create a self-regulating and self-maintaining cycle. It predicted that foamed plastics insulation, silicone, PVC window and door profiles, and plastics siding, pipes, and gutters will find increased use due to such market pressures.“Silicones contribute to ’green’ building by improving the long-term energy efficiency of buildings in both window systems and expansion and control joints. They prevent both air and water intrusion while still allowing buildings to breathe via higher gas permeability,” says Guy Oliver, from Dow Corning (Midland, MI).According to the Nation’s Building News Online, an estimated 2% or $7.4 billion of residential construction coming onto the market was considered ’green’ last year. The online site say residents have begun moving away from just adding energy-efficient appliances and are now more conscious about the ecology when building homes. A recent survey of new home buyers found that 63% of those building ’green’ houses were motivated by lower operating and maintenance costs while 85% said they were more satisfied with their new ’green’ homes than with previous, traditionally built structures. For further news about this growing sector, MPW publishes a monthly feature, The Greening of an Industry, with information on environmental issues as they relate to plastics.—[email protected] e-Weekly News Briefs July 30-Aug. 3Aug 01, 2007
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Forensic inquiry into the failed process or product is the starting point of failure analysis. Such inquiry is conducted using scientific analytical methods such as electrical and mechanical measurements, or by analyzing failure data such as product reject reports or examples of previous failures of the same kind. The methods of forensic engineering are especially valuable in tracing product defects and flaws. They may include fatigue cracks, brittle cracks produced by stress corrosion cracking or environmental stress cracking for example. Witness statements can be valuable for reconstructing the likely sequence of events and hence the chain of cause and effect. Human factors can also be assessed when the cause of the failure is determined. There are several useful methods to prevent product failures occurring in the first place, including failure mode and effects analysis (FMEA) and fault tree analysis (FTA), methods which can be used during prototyping to analyze failures before a product is marketed.
Visual Observation which is non-destructive examination. This revealed sign of brittleness with no permanent plastic deformation before it broke. Cracks were shown which were the final breaking point of the shear key rods. The engineers suspected hydrogen was involved in producing the cracks.[3]
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