Definition P-Diagram (Parameter Diagram) in FMEA Preparation

antoine.dias

Quite Involved in Discussions
#1
Where does the " P " stand for in " P-diagram "?

A P-diagram is used as preparation for FMEA to show the interfaces and the " noise factors " of a system.

Best regards,

Antoine
 
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antoine.dias

Quite Involved in Discussions
#3
"P" in "P-diagram"

Thanks Howard,

That why I asked the question in the first place because I did not find it myself while running through the material.

Best regards,

Antoine
 
B

Bill Ryan - 2007

#4
Never heard of it before but my best guess would be "Process diagram" (whatever that might be in Ford's terminology).
 
A

Alan Greatbatch

#8
Re: P-diagram in FMEA preparation - What does the "P" stand for in "P-diagram"?

Hi guys, Google to the rescue as usual, a P-Diagram is a Parameter diagram.

The Parameter Diagram (P-Diagram) takes the inputs from a system/ customer and relates those inputs to desired outputs of a design that the engineer is creating also considering non-controllable outside influences. The P-Diagram, is a useful tool in brainstorming and documenting:

* Signal Factor(s)
* Response Variable or Ideal Function
* Control Factors, and
* Noise Factors
* Error States (or the failure modes)

A P-Diagram is essentially a schematic diagram that encompasses signal factor, control factor, noise factor and response variable.

Alan
 
M

mustafa siddiqui

#10
HI all,
Sorry about the late response. You can review and understand the P-Diagram in the wesite at http://myapqp.com/Pdiagram.aspx, click the P-diagram example and go through the explaination.
Let me know if you need further explaination.

Thanks
Mustafa Siddiqui
 
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