Injection Blow Injection Blow Molding (IBM)
HEAVY CENTER
Recommended Actions
Improper heat control
• Lower gate temperature in parison mold.
• Lower melt temperature.
• Verify mold temperature controller operation. Verify all areas of set-up
• Verify core rod alignment in parison mold.
• Check nozzle seats.
• Clean/replace nozzles.
• Move nozzles out.
Not enough material for good part
• Increase injection and/or screw time.
• Decrease core rod diameter.
- Improper heat control
- Lower gate temperature in parison mold.
- Lower melt temperature.
- Verify mold temperature controller operation. Verify all areas of set-up
- Verify core rod alignment in parison mold.
- Check nozzle seats.
- Clean/replace nozzles.
- Move nozzles out.
- Not enough material for good part
- Increase injection and/or screw time.
- Decrease core rod diameter.
Related Knowledge
Source
Imported from Molding Defects All Platforms spreadsheet