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Abir Tasrif
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Industrial EngineeringAug 20, 20268 min read

A practical guide to balancing sewing lines using SMV, takt time, and bottleneck analysis to maximize output.

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Industrial Engineering

Line balancing is one of the most impactful levers in a garment factory. A well-balanced line reduces idle time, increases output per hour, and keeps operator morale high. In this article we cover how to calculate takt time, identify bottlenecks using operation cycle time data, and redistribute work across stations using pitch diagrams. We also share a simple Excel template you can adapt for your own production lines.

The first step is to capture the cycle time of each operation alongside its SMV. From there, the takt time is derived from daily demand and available minutes. Any operation whose cycle time exceeds takt time is a potential bottleneck. Using lean tools such as method study and work simplification, we can redesign those operations and bring them back within takt. Finally, we validate the balance by running the line and measuring real output against target, closing the loop with continuous improvement reviews.

Key takeaways

  • Start from the problem you are trying to solve, not the tool you want to use.
  • Measure the baseline first — most improvement ideas fail without one.
  • Close the loop: review, write down what you learned, and share it.

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