Molding Machine Operator how-to

How to Help With a Safe Mold Change

Mold changes need care.

Updated By the Career Education Institute Curriculum Team
Quick answer

Mold changes need care. In short: lock; disconnect; rig, then complete the remaining steps below.

Step by step

  1. Lock out the press.

  2. Disconnect water lines.

  3. Rig the mold.

  4. Lift with a crane.

  5. Install the new mold.

  6. Reconnect and test.

Safety reminders for molding machine operators

  • Use press guards
  • Wear heat gloves
  • Lock out for mold changes
  • Never stand under lifted molds

Injection molding · Die casting · Short shot · Flash · Sink mark · Cycle time: see the full molding machine operator glossary.

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