Milling Machine Operator how-to

How to Square a Block on a Manual Mill

Square blocks are the base of good parts.

Updated By the Career Education Institute Curriculum Team
Quick answer

Square blocks are the base of good parts. In short: mill; put; mill, then complete the remaining steps below.

Step by step

  1. Mill side one.

  2. Put side one against the fixed jaw.

  3. Mill side two.

  4. Flip and mill side three.

  5. Mill side four.

  6. Check with a square.

Safety reminders for milling machine operators

  • Wear eye protection
  • No gloves near cutters
  • Secure parts
  • Stop the spindle before measuring

End mill · Tramming · Edge finder · Climb milling · Conventional milling · DRO: see the full milling machine operator glossary.

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