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19th June 2017, 11:42 PM
#1
Operational Qualification (OQ) Question
In regards to IQ, OQ, PQ...
How do you guys execute OQ??
Historically, we've done "High and Low" runs to establish evidence our process limits result in parts that meets defined specification.
Generally,
High Process: + 10 melt temp, +10 mold temp, +500 pack psi +1s cooling time
Low Process: - 10 melt temp. - 10 mold temp, - 500 pack psi, -1s cooling time
It's not perfect, but it's stuck here for some time.. There is certainly a lot of discussion over it.
What other methods are there? Any ideas for improvement?
Thought is to be thorough, but in a timely manner. (mostly timely it seems lately)
Thanks,
Chris
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