Boss designs that result in the potential for sink marks and voids |
Sinks / Voids / Cooling stresses |
|
| Improved boss designs |
Boss attached
to the wall
using ribs
|
Thick sections
cored out
|
Gussetts reinforce
free standing bosses |
|
| Whenever possible, bosses should be free standing, gussetted, or attached to sidewalls using ribs in order to minimize the potential for sink marks and shrinkage voids. |
