<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Thank you Tyler and Mary Ann, this was, indeed, a useful check!<div class=""><div class="">It seems that overall we are fine with the dimensions</div><div class=""><br class=""></div><div class="">patrizia</div><div class=""><br class=""></div><div class=""><br class=""><div apple-content-edited="true" class="">
<div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">---------------------------------------------------<br class=""># Patrizia Rossi<br class=""># Jefferson Lab <br class=""># 12000 Jefferson Avenue<br class=""># Suite 5<br class=""># Newport News VA 23606 (USA)<br class=""># e-mail: <a href="mailto:rossi@jlab.org" class="">rossi@jlab.org</a><br class=""># phone: +1 (757) 269 7740<br class=""># fax: + 1 (757) 269 5800</div><div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""># cell: +1 (757) 528 7606<br class=""><br class=""><br class=""><br class=""></div>
</div>
<br class=""><div><blockquote type="cite" class=""><div class="">On 24/ago/2016, at 15:32, Tyler Lemon <<a href="mailto:tlemon@jlab.org" class="">tlemon@jlab.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class=""><div style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;" class=""><div class="">Hello,</div><div class=""><br class=""></div><div class="">Since we have RICH mirrors 3, 3C, 4C, and 4 that make up the top row of the mirror assembly, Mary Ann used AutoCAD to measure linear distance from corner-to-corner of the mirror assembly. Attached is an Excel sheet compiled containing the measurements and a diagram with the dimensions we measured highlighted in red.<br class=""></div><div class=""><br class=""></div><div class="">Mary Ann measured the the entire length of the assembly along the top edge and along the bottom of the first row of mirrors. The measurements were taken using the corner points for the ideal model and then repeated using the corner points as measured by CMM. </div><div class=""><br data-mce-bogus="1" class=""></div><div class="">The measurement from the CMM data of the top edge was 2686.62 mm with a difference of -0.44 mm with respect to the ideal model.</div><div class="">The measurement from the CMM data of the bottom of the first row was 2396.48 mm with a difference of 0.30 mm with respect to the ideal model.<br class=""></div><div class=""><br data-mce-bogus="1" class=""></div><div class="">In addition to the linear measurement, we are also able to see that the corners of the first row (shown in blue on the diagram within the Excel sheet) within ~0.25 mm from being co-planar. <br data-mce-bogus="1" class=""></div><div class=""><br data-mce-bogus="1" class=""></div><div class="">Best regards,<br data-mce-bogus="1" class=""></div><div class="">Tyler<br data-mce-bogus="1" class=""></div></div></div><span id="cid:0A6A179C-713A-426E-8D4B-9E14354D0F48@jlab.org"><3D autocad dimensions.xlsx></span></div></blockquote></div><br class=""></div></div></body></html>