CHAPTER 9Reducing Lead Time and Non-Value-Add Cost
Purpose of these tools
• To eliminate constraints in a process
– ensure that the process can meet customer demand
• To reduce the lead time and cost of a process
– eliminate non-value-add cost and waste to improve process efficiency and profitability
Deciding which tool to use
Review the Basic concepts and definitions of Lean (p. 199). Then:
• Determine where and how time is used in your process:
– Identify process steps as value-add or non-value-add (in the eyes of the customer), see Chapter 3, p. 49
– Calculate the Process Lead Time (also known as process cycle time) for the process), p. 199
– Determine the desired average completion rate (customer demand rate, or takt rate), p. 200)
– Calculate ...
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