Revision of CMM performance specifications
Premise
The working group (WG) “Specifications” is one of several working groups of ia.cmm, the International Association of Co-ordinate Measuring Machine Manufacturers. This working group is active in the area of CMM specifications. The performance specifications for CMM’s are defined by the ISO 10360 series. Based on ISO 10360-1, the “Specifications” WG has generated a structure for a common data sheet within all associated Companies.
The general goals of WG “Specifications” are:
• The development of human skills by education and training.
• Giving users worldwide the assurance that machine performance is verified by CMM Manufacturers in compliance with the regulations, methods and equipment stipulated by international standards.
• Promotion of and support in the adoption of standards for metrology performance testing.
Some of the Members of the “Specifications” WG also take part on national and international meetings of committees for standardisation of CMM performance specifications. One task of the “Specifications” WG is to inform the Members of ia.cmm and the Users about the upcoming new revision of ISO 10360 part 2 and of part 5, both dealing with acceptance and reverification tests for CMM’s. These new revisions will contain more precise definitions, some new performance specifications and new procedures and new artefacts for application to a larger variety of CMM’s. They are scheduled for release in 2007.
Furthermore, additional new technical specifications related to CMM technology will be released in 2005. These include ISO/TS 23165 “Guide to the evaluation of CMM test uncertainty” and ISO/TS 15530-3 “Uncertainty assessment using calibrated work pieces” as one of several techniques for determining task specific uncertainties of measurements with CMM’s.
Makoto Abbe (Mitutoyo – Japan)
Michele Verdi (Hexagon Metrology SpA – Italy)
Josef Wanner (Carl Zeiss Industrielle Meâtechnik GmbH – Germany)
