Toyota Way Fieldbook : A Practical Guide for Implementing Toyota's 4Ps

Chapter 15. Complete a Thorough Root Cause Analysis 351

Figure 15-9. Stack chart of work element times

In addition to the time required for each element, it’s useful to understand
the problem visually by depicting the flow of work (Figure 15-10). This pictorial
flow is captured on the Standardized Work Sheet (Chapter 6).

Machine

Parts

Supply

Inspection

Finished

Parts

1

2

Machine

Start

3

4

5

6

Figure 15-10. Visual depiction of work flow