Te key to the heaters are the cast-in cooling or heating elements. “Te unique thing about what


we do is we achieve intimate joining to the heating element,” said Tony Meadors, vice president-sales and marketing, CAS. “Heaters that are cast-in perform more efficiently and last longer than those installed using non-cast techniques.”


The heating element is sheathed in a bendable stainless steel tube before it’s placed in a tool steel mold. CAS adds a support struc- ture within the mold to support the location of the heating element and any other cast-in components. The castings are then poured in either a low pressure or tilt pour permanent mold machine. Another way of making these


components would be machining from billet and adding the heating element through various assembly and welding steps. Casting-in the


Cast Aluminum Solutions makes custom products as well as a standard line of heaters, shown here.


A CAS associate inspects the surface finish of a pedestal heater for the semiconductor industry. February 2016 MODERN CASTING | 27


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