Injection Stretch Blow Injection Stretch Blow Molding (ISBM)
UNDERSIZED PARTS
Recommended Actions
Pre-form not inflating completely. • Increase air blow pressure.
Improper processing temperatures or • Verify the temperature controller is operating
residence time. correctly.
• Check mold cooling.
• Increase the cycle time.
Improper venting. • Clean blow mold vents and mold surfaces.
• Retexture or sandblast molds.
- Pre-form not inflating completely.
- Increase air blow pressure.
- Improper processing temperatures or
- Verify the temperature controller is operating
- residence time. correctly.
- Check mold cooling.
- Increase the cycle time.
- Improper venting.
- Clean blow mold vents and mold surfaces.
- Retexture or sandblast molds.
Related Knowledge
Source
Imported from Molding Defects All Platforms spreadsheet