 Click on the photo above to see Lean Strategies International LLC's Services. Process time is the time that the product or service is actually being worked on by an operator or employee. Process times can be observed and gathered using a stopwatch. Tip:
Process time is often hard to grab in the "moment", using a camera can be a helpful way to ensure you have the complete and accurate process time. How to Calculate: Process time is calculated by adding the actual work time to the walking time to the waiting time. Machine time is not included. Example: George is machining a part. While george is machining John observes a work time of 4 minutes, a walking time of 2 minutes and a waiting time of 6 minutes. That means his process time is 12 minutes total. Question: Sam is assembling a tricycle for his daughter. He walks to and from the assembly for tools for a total of 13 minutes during the process. He then waits for his wife Susan to go and pick up some WD-40 for the bike. That takes Susan 23 minutes. When Sam finally completes the assembly he worked a total of 42 minutes. What was Sam's processing time? **Place answer in comments section**
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