Contact
Contact

Film Scratching or Wrinkling

Blown Film Extrusion Troubleshooting

Cause (s) Possible Solution (s)
Tubular film asymmetry or swing
  • Adjust the air flow of air ring
  • Avoid too fast air flow inside the factory
  • Use a hash-shape frame to steady the film
Inappropriate nip roller
  • Align nip roller and keep it horizontally
  • Avoid nip roller damages
Improper collapsing frame
  • Adjust collapsing frame angle
  • Adjust collapsing frame length
  • Reduce friction to collapsing frame
Uneven winding tension
  • Adjust the winding angle
Die head scratches
  • Refinishing die scratches