An Example in Steel Casting    Traction Motor Rotor Disc

Final Design of the Shell Mold Casting
Cope Half  Shell Mold Drag Half Shell Mold
  • The photos above show the two halves of the shell mold, prior to assembly. 
  • The  1/2" thick shells are formed from resin-impregnated sand directly on the iron tools and then heat treated to set their form.
  • The two shells are then joined together to form the mold cavity and placed in the mold flask.  
  • The flask is filled with metal shot which supports the mold and acts as a thermal sink during metal solidification.


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Copyright 2003  by the Steel Founders' Society of America   All rights reserved. 
Address comments to: blairr@sfsa.org
Last Modified    :June, 2003 by STG

In cooperation with
 Huron Casting