Does anyone know what spec defines a Temperature range of 68°-72° for dimensional measurement? Every spec Ive looked at thus far defines the temp as 68° period. If you deviate from that temp you must compensate for thermal effects. The reason Im asking is because we are manufacturing a magnesium housing that has a 23.501" +/-.001 dia. If we check it in the shop (71°) it checks 23.501, check it in the lab (68°) it checks 23.499 which obviously is undersize..
I have all these specs so no need to send me anything. I've studied these specs a lot over the last year for Boeing and NapCap audits and never could find a range. I just got in a heated argument this morning between Engineering/Mill about what temp the housing can be inspected at. They were swearing up and down the wall that it was allowed to be measured anywhere in that range. In the end they lost and I won Thanks for your help guys.
I have all these specs so no need to send me anything. I've studied these specs a lot over the last year for Boeing and NapCap audits and never could find a range. I just got in a heated argument this morning between Engineering/Mill about what temp the housing can be inspected at. They were swearing up and down the wall that it was allowed to be measured anywhere in that range. In the end they lost and I won Thanks for your help guys.
Always good to hear. Yeah got into this a few years back, Although I turned it on them, and told them to show me the information. They couldn't produce $hit
