Sewing Machine Operator how-to

How to Fix Thread Tension on an Industrial Machine

Balanced tension makes strong seams.

Updated By the Career Education Institute Curriculum Team
Quick answer

Balanced tension makes strong seams. In short: check; sew; look, then complete the remaining steps below.

Step by step

  1. Check threading.

  2. Sew a test.

  3. Look at both sides.

  4. Adjust top tension.

  5. Adjust bobbin if needed.

  6. Retest.

Safety reminders for sewing machine operators

  • Keep fingers clear of needles
  • Use needle guards
  • Use ergonomic chairs
  • Take breaks

Seam allowance · Lockstitch · Serger · Bobbin · Tension · Bar tack: see the full sewing machine operator glossary.

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