An Example in Steel Casting    Traction Motor Rotor Disc

Option A - Ribs Down


Ribs Down

In Option A the thin wall ribs and the base ribs are oriented down in the bottom (drag section) of the mold. 
  • If inclusions or porosity form, they will segregate in the top of the casting in the center hub, where they will have minimum effect on mechanical properties.

The rotor ribs will be free of defects with this orientation.

The "ribs down" is the better orientation in the mold.
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Last Modified    :June, 2003 by STG

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