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LINKEDIN DISCUSSION FABRICATION TO CASTING VIA SOCIAL MEDIA


On the Metal Casting Design and Purchasing Network on LinkedIn, Young Hang, Enervex Inc., asked: “I am looking to have a 2-ft. long tubular fan housing, 14-in. in diameter, cast in aluminum. In working with sheet metal fabricators with stainless steel, they lack precision and consistency in the fi nal product. I’m looking to see if my design is feasible with a casting process and what approximate cost I should expect?”


It is probably feasible out of aluminum or stainless. Why the material switch? Is low cost the only driver? There are a number of additional issues that should be addressed. Charles Rearick, Rearick & Associates


Take a look at boat propellers. In aluminum, they are either die castings or permanent mold castings. Low


volume aluminum propellers are sand cast. Stainless steel propellers are investment cast. I mention this because of their need for consistency and balance. Dave Janis, Cast Technologies Inc.


People may be able to provide a ballpark estimate for a target cost. That depends on features and design. John Murnane, OEM, B2B Sales


Editor’s Note: MCDP does not necessarily endorse the views expressed in the LinkedIn discussion. Read more on our LinkedIn Group, Metal Casting Design and Purchasing.


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ONCE A YEAR


This month’s question is available at MetalCastingDesign.com.


A FEW TIMES A YEAR POLL QUESTION


The January/February website question asked: How often do you visit your casting supplier?


BLOG ROLL


Cast in a Starring Roll Occasionally, the word


“casting” used in the same sentence as “actors” actually points to the manufacturing process. Every February, a story pops up about the Oscar statuette cast at R.S. Owens, Chicago. Some might say the metalcasting facility is the most important casting agency in show business. This play on words has also been turned into a play. “Centennial Casting,” by Gino Dilorio and Nancy Bleemer, is the story of a metalcasting facility owner who receives actor headshots. Smitten by one woman’s photo, he holds a sham casting call to meet her. The play has been produced in various theaters since 2006.


These Shoes Are Not Made for Walking


British designer Tom Dixon designed shoes cast in aluminum with copper or black powder coating. The shoes resemble a classic English style and are equipped with several fi ne details, including crease and wear lines.


Visit MetalCastingDesign.com to read the full blogs and additional entries.


Mar/Apr 2012 | METAL CASTING DESIGN & PURCHASING | 3


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