What is Takt Time
Takt time is the pace at which you must produce to meet customer demand. It is calculated as available production time divided by customer demand. Takt time is a demand-driven concept, unlike cycle time which is process-driven.
Takt Time Formula
Takt time equals available time divided by customer demand. If the customer wants 1000 pieces per day and the factory runs 480 minutes per day, takt time is 480 times 60 divided by 1000 equals 28.8 seconds per piece.
Practical Example 1 — Sewing Line
A line works 8 hours equals 480 minutes equals 28,800 seconds. Customer demand is 1000 pieces per day. Takt time is 28,800 divided by 1000 equals 28.8 seconds. If the bottleneck cycle is 40 seconds, the line cannot meet demand.
Practical Example 2 — Cutting Section
Cutting has 480 minutes available and 1500 pieces needed. Takt time is 19.2 seconds. If cutting takes 25 seconds per piece, the cutting section is a bottleneck.
Practical Example 3 — Finishing
Finishing has 480 minutes available and 1200 pieces needed. Takt time is 24 seconds. If ironing takes 30 seconds, ironing is the bottleneck.
Practical Example 4 — Style Change
New style has lower demand, 800 pieces. Takt time rises to 36 seconds. This relaxes the pace and gives the line more room. The balance should be redone for the new takt.
Takt Time vs Cycle Time
Cycle time is how long the process actually takes. Takt time is how long it should take to meet demand. If cycle time is greater than takt time, the process is too slow. If cycle time is less than takt time, there is slack.
How to Use Takt Time
Use takt time to set the pitch for the line. Balance operations so that each operation has a cycle time close to or below takt time. Post the takt time on the line. Show hourly demand. Adjust resources to meet the takt.
Common Mistakes
Calculating takt time on peak season demand, which makes it too tight. Ignoring planned downtime in available time. Confusing takt with cycle time. Not updating takt after order changes.
When to Use It
Takt time is used for line balancing, capacity planning, and pace setting. It is the foundation of just-in-time production. Use it in sewing, cutting, finishing, and packing.