Leantycoon
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In today's fast-changing markets, customers demand more variety, faster delivery, and higher quality. To stay competitive, organizations need flexible manufacturing systems — and one of the most effective Lean tools to achieve that flexibility is SMED (Single-Minute Exchange of Dies).
SMED is a Lean technique developed by Shigeo Shingo that focuses on reducing setup or changeover time — the time required to switch from producing one product to another.
🎯 The goal: Bring changeover time under 10 minutes — a "single-digit minute."
Traditional changeovers can take hours, resulting in downtime, large batch sizes, and reduced flexibility.
SMED simplifies changeovers by separating setup activities into:
Tasks performed only when the machine is stopped.
Tasks completed while the machine is still running.
💡 Key Insight: By shifting as many activities as possible to external setup and simplifying the remaining internal steps, changeover time can drop dramatically.
Document the existing changeover process in detail.
Distinguish between internal and external tasks.
Move internal steps to external wherever possible.
Streamline each task for consistency and speed.
Create standard work and train teams for reliable execution.
SMED is not just about speed — it is about flexibility, competitiveness, and operational responsiveness. By mastering quick changeovers, organizations can reduce waste, respond faster to demand, and maintain high quality standards — all while staying agile in dynamic markets.
"Speed in changeover is flexibility in action — and flexibility is the key to staying competitive."