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Direct Definition: Cycle time is the total active duration required by an operator or machine to complete one full cycle of a production process, from the start of work to the handoff of a finished piece to the next workstation.
In manufacturing, cycle time measures operational speed and process capability. Tracking accurate cycle times is essential for quoting lead times, calculating machine capacity, and eliminating shop floor bottlenecks.
Cycle Time vs Takt Time vs Lead Time
Manufacturers often confuse these three fundamental operational metrics:
- Cycle Time: The actual elapsed time spent actively producing one unit on a specific machine.
- Takt Time: The maximum allowable time per unit needed to match customer demand speed.
- Lead Time: The total time elapsed from the initial customer order placement until the final delivery.
How Cycle Times Drive Visual Scheduling
Visual scheduling boards rely on realistic cycle times to sequence jobs accurately. When machine run times are estimated accurately rather than guessed, schedulers avoid overbooking machines and prevent work-in-progress inventory from stacking up on the shop floor.
Frequently Asked Questions
- What is cycle time in manufacturing?
- Cycle time is the actual time it takes to produce one unit or complete a specific operation on a machine.
- How does cycle time differ from lead time?
- Cycle time only measures active processing time on the shop floor, whereas lead time includes order processing, waiting in queue, setup, and shipping time.
- Why is tracking cycle time important?
- Accurate cycle times allow production managers to calculate realistic machine workloads and quote reliable customer delivery dates.