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<p class="MsoNormal">Hi Greg,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I have replaced ours 2 times (DWL66fs model) but purchased from (and with guidance by)Heidelberg. The procedure to install is fairly easy. Heidelberg has given us a price break for self installation i.e. no service visit. You would need
to talk to them about that. Purchasing from Renishaw directly was only about 2K less when they quoted me and there is no installation guarantee. <o:p></o:p></p>
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<p class="MsoNormal">Yep, it’s not cheap.<o:p></o:p></p>
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<p class="MsoNormal">Bill Lewis<o:p></o:p></p>
<p class="MsoNormal">Research Service Center<o:p></o:p></p>
<p class="MsoNormal">University of Florida<o:p></o:p></p>
<p class="MsoNormal">1041 Center Dr<o:p></o:p></p>
<p class="MsoNormal">Gainesville, FL 32611<o:p></o:p></p>
<p class="MsoNormal"><a href="mailto:walewis@ufl.edu">walewis@ufl.edu</a><o:p></o:p></p>
<p class="MsoNormal">3five2-258-zero5zero7<o:p></o:p></p>
<p class="MsoNormal"><a href="https://rsc.aux.eng.ufl.edu/">https://rsc.aux.eng.ufl.edu/</a><o:p></o:p></p>
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<p class="MsoNormal"><b>From:</b> labnetwork <labnetwork-bounces@mtl.mit.edu> <b>
On Behalf Of </b>Greg Holloway<br>
<b>Sent:</b> Wednesday, January 11, 2023 3:04 PM<br>
<b>To:</b> labnetwork@mtl.mit.edu<br>
<b>Subject:</b> [labnetwork] Heidelberg Instruments stage interferometer laser replacement<o:p></o:p></p>
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<b><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#FA4616">[External Email]</span></b>
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<p class="MsoNormal">Hello, <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">We have an MLA150 from Heidelberg instruments which we've been running for ~5 years. At the last annual PM, we were told by Heidelberg that the stage interferometer laser was approaching its end of life, as the signal is getting weaker.
Heidelberg quoted us the cost for a refurbished laser unit, and we were surprised by how expensive it was. I was wondering how owners of other Heidelberg Instruments tools have proceeded in this situation? Does everyone just get the unit directly from Heidelberg,
or has anyone attempted any thriftier alternatives such as repairing or replacing themselves?<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">The laser unit is a Renishaw RLU10-A3-A3.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Best,<o:p></o:p></p>
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<p class="MsoNormal">-Greg Holloway<o:p></o:p></p>
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<p class="MsoNormal">QNFCF: University of Waterloo<o:p></o:p></p>
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