Finishing Operations
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Machined Fan Housing

After trimming, the fan housing is checked for dimensional tolerances and surface condition.

The housing is then bead blasted, followed by machining operations--

  • Drilling and tapping the necessary mounting and assembly holes.

  • Finish machining of the base of the center hub to a 32 RMS finish for good thermal contact.

The housing is finished with a protective black powder coat for corrosion protection and appearance.
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Copyright 2003  by the North American Die Casting Assoc.  All rights reserved. 
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In cooperation with
Kennedy Die
Casting

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