Technical discussion, Metrology PIMS production meeting 26-27 February 2013 Lilian Remandet, Rolf Wegner
Points for discussion We are very happy about Metrology part of Quality Assurance reports !!! 26.02.2013 PIMS production meeting 26-27 February 2013 Lilian Remandet, Rolf Wegner 2
Points for discussion • please measure profile II (circularity) of rings at Ø524.720, not outside (Ø538.720) as initially foreseen [Ø524.720 is critical for assembly] • if target holes 8H7 for metrology are out of tolerance (target holder lose), please tell us. Holes can be opened to 10H7. • surface roughness measured at CERN gives higher roughness (typical difference: Ra_CERN ~ Ra_NCBJ + 0.1 • deviations on perpendicularity, flatness defect substracted? Please include all defects into the perpendicularity measurement • please create a visual inspection report for every element as a separate document (is simpler), for example a simple PowerPoint document. 26.02.2013 PIMS production meeting 26-27 February 2013 Lilian Remandet, Rolf Wegner 3
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