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NIST announces coordinate measuring machine test procedure.
Press Release Summary:
Dec 01, 2008 - Published by ASME, B89.4.10360.2-2008 Acceptance Test and Reverification Test for Coordinate Measuring Machines (CMMs) Part 2: CMMs Used for Measuring Linear Dimensions represents final step in decade-long effort to unite U.S. and the world in evaluating performance of CMMs. U.S. team on ISO CMM standard committee, led by NIST, worked to revise international standard to correct deficiencies and develop U.S. version that also added tutorials/optional tests to address concerns specific to U.S.
Original Press Release
NIST Leads Revision of International Coordinate Measuring Machine Standard
Press release date: Nov 25, 2008
CMMs, which make precision measurements of the dimensions of objects, are critical in such industries as aerospace, automobile and heavy equipment manufacturing to ensure that parts match blueprints, and for performing reverse engineering and managing process control. The United States has been the only major country with its own national standard for CMM performance evaluation because U.S. standards developers were concerned that the current version of international standard, ISO 10360-2, left major error sources unevaluated and contained ambiguities in the interpretation of the performance specifications. For a decade the U.S. team on the International Standards Organization CMM standard committee, led by NIST, worked to revise the international standard to correct these deficiencies and to develop a U.S. version that also added tutorials and optional tests to address concerns specific to the United States.
The new U.S. document has been published by the ASME as B89.4.10360.2, while its ISO counterpart is currently out for final approval by the international standards community. ASME B89.4.10360.2-2008 "Acceptance Test and Reverification Test for Coordinate Measuring Machines (CMMs) Part 2: CMMs Used for Measuring Linear Dimensions" may be obtained from ASME at catalog.asme.org/home.cfm?SEARCH=B89.4.10360.2.
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