Tag Archives: inspection

ANSI Z1.4 Reduced Inspection

Question If you have Ac=0 and Re=2 what do you do for 1? I have not used the reduced sampling before, so am curious what should be done in this instance. Answer If you review the footnotes for Table II-C … Continue reading

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Customer ISO Status In Jeopardy?

Question My customer wants to get ISO 9001:2015 certified. He refuses to create a first-article, in-process, and final-inspection report. He has a router sheet that has a tiny space for final inspection brief information and the operator’s initials; no inspection … Continue reading

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Audit Versus Inspection?

Question Would you please tell me what the differences between audit and inspection are? Answer This is a great question.   We can start with the definitions of inspection and audit per the new ISO 9000:2015 standard.  Inspection is “Determination of … Continue reading

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Inspection Sample Size

Question The customer expects certain levels of inspection: pull 157 bottles for visual testing, but then they also want 20 pulled for dimensional testing. Can’t the 20 additional bottles be a subset of the original testing sample? When calculating the … Continue reading

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Combating contamination

Q: We want to ensure that we are receiving clean containers to package our products. How can we improve our incoming inspection process? A: You should encourage your vendor to ship only clean containers. Then, be sure that the shipping … Continue reading

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Dock to Stock

Q: I have been tasked with implementing a dock to stock policy. Does an expert have any advice or information to share towards forming a dock to stock policy? A: To begin, here is a brief definition of dock to … Continue reading

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Coordinate Measuring Machines (CMMs) and Digital Bore Gages

Q: When inspecting diameters with tolerances of .0005 and below, are there any studies relating to the accuracy of different inspection methods, such as a coordinate measuring machine (CMM) versus a digital bore gage with setting ring combination? A: The … Continue reading

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ANSI/ASQC C1-1996 supplier testing

Q: I need clarification on the following, please: ANSI/ASQC C1-1996 — Specification of General Requirements for a Quality Program — has been included in the required specifications from a prospective customer. Section 3.3.4 states (in the last sentence) “Furthermore, the … Continue reading

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