Extrusion Blow Extrusion Blow Molding (EBM)
WEBBING
Recommended Actions
Incorrect mold position
• Relocate mold relative to parison.
Incorrect parison size
• Adjust push-out speeds
• Change tooling
• Use material with lower die swell
Inner parison walls touching
• Use pre-blow.
• Add pinch bars and/or pre-pinch bars
• Adjust clamp speed.
- Incorrect mold position
- Relocate mold relative to parison.
- Incorrect parison size
- Adjust push-out speeds
- Change tooling
- Use material with lower die swell
- Inner parison walls touching
- Use pre-blow.
- Add pinch bars and/or pre-pinch bars
- Adjust clamp speed.
Related Knowledge
Source
Imported from Molding Defects All Platforms spreadsheet