ASME B89.7.5 PDF

Description

This Tech Report offers guidelines for demonstrating traceability of dimensional measurements. Issues include measurement uncertainty, uncertainty budget and documentation traceability requirements.
Purpose report provide guidelines demonstrating traceability dimensional measurements si unit length (the meter). international vocabulary basic general terms metrology (vim) [7] provides definition traceability. however, many details not specified definition. interpretation vim demonstration metrological measurement per b89.7.5 requires following: (a) clear statement measurand quantity measurement), (b) identification system and/or standards used measurement, (c) uncertainty result, consistent principles described guide expression [1,2], (d) budget describes guantifies significant contributors, (e) documentation standard(s) back appropriate terminus, (f) assurance program assures (and used) conditions within validity statement. intended design, drafting, mechanical, manufacturing, production, tool/gage, quality, process project engineers, cad/cam/cae specialists, inspectors educators across broad range global manufacturing. special emphasis aerospace, automotive, medical device, precision instrumentation related industries. click print-friendly version brochure asme’s b89.7 guidelines.