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September/October 2013 Volume 15 Number 5


COLUMNS 5 Editorial


Watch out, YouTube A.T. SPADA


46 Casting 101 Temperature Control in Melting Aluminum S. ROBISON


47 Purchasing Points


How scrap and other raw material costs affect casting price B. MUELLER


DEPARTMENTS 7 Industry News


13 In a World Without Castings Would golf be more frustrating?


14 Castings in Action


An aluminum coolant collector attained significant weight savings in a switch from sand casting to the tilt pour semi-permanent mold process.


16 Design Details


MetalCastingDesign.com Photo Courtesy Michigan State University


Cover Design: Mike Berrafato


An electronics housing for the defense industry exhibits close dimensional tolerances, zero draft and excellent surface finish, thanks to investment casting.


56 Shakeout A church was founded in a former cannonball factory.


50 Website Spotlight 54 Classified Ads 55 Advertisers’ Index


48 Casting Innovations


An overhauled Abrams tank component and a lightweight ductile iron conversion.


Sept/Oct 2013 | METAL CASTING DESIGN & PURCHASING | 3





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