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Failure of Part in Use Print


Cracking/Failure of Part in Use

Possible Cause:

(1) High moulded-in stress
(2) Part thickness too low for draw
(3) Uncontrolled sheet temperature
(4) Rapid cooling

Suggested Course of Action:

  • Increase sheet temperature during forming
  • Use proper forming sheet temperature and cooling rate for deep draw parts
  • Increase mould temperature
  • Increase sheet gauge
  • Improve zone heating control
  • Improve mould temperature control