K1 K2 K3 constant of Gage R&R - Please advice

3

-3-Chooty

#1
Dear All,
I am really new for Gage R&R during try to calculate, I found K1 K2 and K3 different constant values. (See picture)
I am not so sure which one should be the correct choice using for verify %GR&R, please kindly clarify for me.
Thank you very much.
Chooty
 

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#2
Re: K1 K2 K3 constant of Gage R&R please advice

Hi Chooty and welcome to the Cove,

In previous versions of the AIAG manual on MSA studies they worked with the higher constant values and calculated the gauge R&R in relation to the width of the tolerance.
In the latest versions however they worked with the smaller constants and calculated in relation to 1/6th of the tolerance.

There are more posts here on this subject.

Hope this helps you

Best regards,
Antoine
 
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