文档介绍：Tenants of Single Piece Flow
Do Not Make Defects
Do Not Pass Along Defects
Do Not Accept Defects
Zero Defects = 0 Defects Not
Quality, Quality, Quality…Defects are the Worst Kind of Waste
7 Types of Waste
Defective Parts
Over Production
Inventory
Motion
Transportation
Waiting
Manual Touches
Batch
Single Piece Flow
From: The Toyota Production System
Building Quality into the Process
Single Piece Flow
The next process is the customer … never send defects !
Sample Inspect catches Defect too Late
When you Finally Find a Defect
How many more do you have?
Where are they in the process?
What is the root Cause?
Single Piece Flow catches Defects immediately
When you find a Defect
You only have one
You know where it occurred
You Can find/Resolve the Root Cause immediately
Check, Do, Verify
Check - The previous operators work.
Do - Your work.
Verify - That you did your work correctly.
Process
Inspect
Transport
Transportation is integrated into the production process
via automation ., moving line
Process
Inspect
Process
Inspect
Transport
Process
Inspect
Transportation is integrated into the production process
via human conveyance ., Chaku-Chaku
Building Quality into the Process
2 ways to perform SPF
The next process is the customer … never send defects !
Check, Do, Verify
Gets you into Parts Per Million quality-
When you verify your work, you catch 1 flaw in 100 parts. The next person checks your work and can catch 1/100 so that’s 1/10,000. Then that person Verifies their work and can catch 1/100. That’s 1/1,000,000 errors that can get through.
Check, Do, Verify
Every Customer in a Process has:
- a right to expect perfect material
- an obligation to inspect the material before use.
- an obligation to inform the previous step in the process of any problem.
- an obligation to stop the process until any problem has been resolved.
Single piece or one piece flow is a means to primarily build
Quality into the process. This