Calipers found out of calibration after only 1 year!

Randy

Super Moderator
#11
How about checking to see if the user is competent with their use.

I've seen calipers used as a wrench, a spanner and even a tack hammer.

Could be as basic as this.
 
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Hershal

Metrologist-Auditor
Staff member
Super Moderator
#12
Dear all, I am handling a quality problem inditing 85000 parts involving 45 IP's, 45 part numbers.

The calipers failed the yearly calibration cycle. The calibration facility reported that the calipers were off by 0.003 on the I.d and 0.0055 on the O.D

Everything, ever since those calipers were last calibrated (a year back) is suspect. How do you do a risk analysis in this scenario ?

:(
senior members please advice !
The calibration cycle issue has already been discussed, and a shorter cycle given the volume is certainly in order.

In theory, the ID/OD should be off by the SAME amount, not a difference of almost 2:1, I would question that right away.

Calipers will wear out with enough use. I presume several calipers were in use, but still.....
 
M

Matt Swartwood

#13
How about checking to see if the user is competent with their use.

I've seen calipers used as a wrench, a spanner and even a tack hammer.

Could be as basic as this.
I was thinking the same thing. You might find that the calipers are not worn, but actually sprung, bent, or have a burr. If this is the case, the response earlier for basing how far you go back for the part recall (or review) on wear over time no longer gives you a particular time frame (other than 1 year ago) to go back to.
 
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