1. Feeder
  • Cold glass
 
1. Feeder
  • Adjust feeder temperature

 

2. Machine Setup and Operation
  • Machine speed too low
  • Improper timing setup for forming cycle
  • Too much final blow pressure
  • Ware too cold
  • Excessive swabbing
  • Blank and blow mold are too cold

 

2. Machine Setup and Operation
  • Increase the machine speed
  • Check timing setup for forming cycle
  • Reduce final blow
  • Reduce cooling wind
  • Reduce swabbing and use a clean, dry swab
  • Adjust cooling wind setup

 

3. Mold Equipment
  • Incorrect mold design
  • Blanks and baffles not correctly matched

 

3. Mold Equipment
  • Check for correct mold design
  • Check blank and baffle match when the equipment is hot

 

4. Conveyor
  • Container on the conveyor too long

 

4. Conveyor
  • Increase the conveyor speed - that is increase the spacing

 

5. Lehr Operation
  • Poor lehr loading
  • Incorrect lehr temperature-unstable
  • Unsuitable lehr belt
  • Excessive draughts or wind due to position of lehr and prevailing winds

 

5. Lehr Operation
  • Improve lehr loading
  • Adjust lehr temperature and/or speed
  • Use a more suitable lehr belt
  • Protect from draughts, wind, etc.