MSA
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- This topic has 5 replies, 6 voices, and was last updated 20 years, 1 month ago by
tayebe.
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May 15, 2002 at 2:38 am #29443
accept my best regards
i have a problem about MSA
if my system incld 3gages and 2 appraiser for measurment 1 dimension,should we calculate reproducibility of 3 gages?
if yes,what is its formula?
0May 15, 2002 at 11:44 am #75458
R.VenkataramanaParticipant@R.VenkataramanaInclude @R.Venkataramana in your post and this person will
be notified via email.Hi
As you are calculating reproducibility of your three gages, you need to calculate them separately. each gauge will contribute differently to your total gauge error.0May 15, 2002 at 1:00 pm #75461
Joy CowlingParticipant@Joy-CowlingInclude @Joy-Cowling in your post and this person will
be notified via email.I would first make sure that each gage is acceptable separately. (1 gage, 2 operators). Then I would do an R&R using the gages as operators. (3 gages, 1 operator). This will give you a reproducibility number for operators AND for the gages.
Joy0May 15, 2002 at 5:36 pm #75472taybeh,
You probably want to include more than one dimension. You gage needs to be able to discriminate over a range of values or the only variation will be in the measurement system.0May 15, 2002 at 6:02 pm #75475The rule of thumb I have used for this is compatibility. I would ensure that the average of each gage across all parts is less than 10% of the total variation or the total tolerance.
Another method would be hypothesis testing on the two systems.0June 20, 2002 at 7:28 pm #76544dear
hi and tanks
I thik
k that i have to calculate three gages R&R together0 -
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