Atlas of Casting Defects
Positive
Smooth - round, oval, or hemispherical
1/8” or less
Highly detailed areas such as depressed lettering or score lines
Positive metal
Stuck shot can be pried out. Can also section, mount and polish through defect. Stuck shot will not be attached to the casting – only wedged in place
Shot wedged into lettering or detailed areas during shot blasting operation
| Area | Possible Cause | Potential Correction |
|---|---|---|
| Other (Shot blast) | Shot is the wrong size for the part |
Change the shot size |