I am reviewing a print in which the surface finish is called out with a check mark like normal; however above the check mark is 18Z. I need to know what the "Z" stands for. Is this a unit of measure, similiar to micro-inch/micro-meter or a parameter similiar to Ra? I can tell you that I found...
I work in the manufacturing industry and we have just ran into a situation where we mistakenly shipped mixed parts to a customer. This happened during a changeover from one part number to another and somehow the parts before the changeover took place got shipped with the parts after the...