P
OK Cove.
Throughout my career I have always been weak in the area of Sampling Plans and AQL levels as they relate to functional In-Process inspections whether it is the operator checking the part or as a QC function.
So, here goes the question. Has anyone created or does anyone have a good plan in Excel or Word for determining the amount of pieces to be inspected on an hourly basis as would be required per a Control Plan for production parts? Or, a document that explains a good methodology for the selection of # of pieces and time that would be acceptable to a customer?
IE - I check a feature on a part that is a length let's say. This Length is listed as a Feature that is Inspected on the Control Plan, but, it is not a customer critical. I inspect 5 pcs. per hour. I do not do CPK on this feature as it is more of a "preventive" inspection so that I can see a drift during the run to assist with an adjustment if necessary.
On this part, I have let's say 5 or 6 of these types of features to inspect and I am measuring 5 pcs. per hour.
I do 5 pcs. per hour because that is what I have always done and it seems to be economical whether it is the operator or QC - seems to be effective. But, what is the real or better way to arrive at the amount of pieces or time frame in the beginning of the project? I can't change the IP based on rolling data because it is submitted with my Control Plan - it needs to be developed on the Front end.
Any Ideas guys?? I hate the norm and never thought that this method was quite right.
Throughout my career I have always been weak in the area of Sampling Plans and AQL levels as they relate to functional In-Process inspections whether it is the operator checking the part or as a QC function.
So, here goes the question. Has anyone created or does anyone have a good plan in Excel or Word for determining the amount of pieces to be inspected on an hourly basis as would be required per a Control Plan for production parts? Or, a document that explains a good methodology for the selection of # of pieces and time that would be acceptable to a customer?
IE - I check a feature on a part that is a length let's say. This Length is listed as a Feature that is Inspected on the Control Plan, but, it is not a customer critical. I inspect 5 pcs. per hour. I do not do CPK on this feature as it is more of a "preventive" inspection so that I can see a drift during the run to assist with an adjustment if necessary.
On this part, I have let's say 5 or 6 of these types of features to inspect and I am measuring 5 pcs. per hour.
I do 5 pcs. per hour because that is what I have always done and it seems to be economical whether it is the operator or QC - seems to be effective. But, what is the real or better way to arrive at the amount of pieces or time frame in the beginning of the project? I can't change the IP based on rolling data because it is submitted with my Control Plan - it needs to be developed on the Front end.
Any Ideas guys?? I hate the norm and never thought that this method was quite right.
