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Hi Luke,<br><br>I have not tested yet the temperature-controlled SPIM chamber for long periods of time, but of course, the idea of this modification is to improve the conditions of<br>
the sample during long-term experiments.<br><br>Kind regards,<br>Edgar<br>
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<br>Fraunhofer-Institut für Produktionstechnologie IPT <br>Edgar Escobar Nieto <br>
<br><br> <br> <br>Steinbachstraße 17 <br>52074 Aachen <br><br>edgar.escobar.nieto@ipt.fraunhofer.de </font>
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<font color="blue" face="sans-serif" size="2"><u>http://www.ipt.fraunhofer.de</u>
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<br><br><font color="#990099">-----Luke Stuyvenberg <stuyvenberg@wisc.edu> schrieb: -----</font>
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An: edgar.escobar.nieto@ipt.fraunhofer.de<br>Von: Luke Stuyvenberg <stuyvenberg@wisc.edu><br>
Datum: 29.01.2014 15:01<br>Kopie: openspim@openspim.org<br>Betreff: Re: [OpenSPIM] Great OpenSPIM setup!<br>
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<div class="moz-cite-prefix">Hi Edgar,<br> <br> On 1/29/2014 6:09 AM, <a class="moz-txt-link-abbreviated" href="mailto:edgar.escobar.nieto@ipt.fraunhofer.de">
edgar.escobar.nieto@ipt.fraunhofer.de</a> wrote:<br> </div> <blockquote cite="mid:OF76D404B0.44009DE8-ONC1257C6F.003EDB8F-C1257C6F.0042CB93@ipt.rwth-aachen.de" type="cite">
<font face="sans-serif" size="2">*The redesign of the sample arm of the
4D Stage so that a timing belt and timing pulleys can be used instead</font>
<br> <font face="sans-serif" size="2">of the round belt and pulleys
included with the 4D Stage. This was done because a slip between the belt</font>
<br> <font face="sans-serif" size="2">and pulleys was identified
causing inaccuracies when rotating the sample. I don't know if someone else had this
issue, </font> <br> </blockquote> I haven't noticed any trouble with belt slippage, but it's good to
know this may be a problem (and moreover that there is an excellent
solution available.)<br> <br> <blockquote cite="mid:OF76D404B0.44009DE8-ONC1257C6F.003EDB8F-C1257C6F.0042CB93@ipt.rwth-aachen.de" type="cite">
<font face="sans-serif" size="2">*The redesign of the sample chamber
so that the temperature of the medium can be controlled. For doing that
a </font> <br> <font face="sans-serif" size="2">PT100 special for liquids, TO220
resistors and a PID controller were employed. The sample chamber had to</font>
<br> <font face="sans-serif" size="2">be built out of stainless steel
so that corrosive effects due to the sample medium can be avoided.</font>
<br> </blockquote> This is great stuff. Do you know off-hand if these devices are
stable over time? i.e. four hours, eight, twenty-four? I suspect good temperature control may improve time-lapse recording
somewhat...<br> <br> <blockquote cite="mid:OF76D404B0.44009DE8-ONC1257C6F.003EDB8F-C1257C6F.0042CB93@ipt.rwth-aachen.de" type="cite">
<font face="sans-serif" size="2">I can provide you the drawings and the
CAD files, also the part number and manufacturer of the components that</font>
<br> <font face="sans-serif" size="2">were used, just let me organize
the information accordingly.</font> <br> <br> <font face="sans-serif" size="2">
I think that would make sense to make this information available through the OpenSPIM wiki so that
eveyone can use it if interested. </font> <br> <font face="sans-serif" size="2">
At the same time I could have a feedback about the changes I made and further improvements can be done to
the design. What is </font> <br> <font face="sans-serif" size="2">
the opinion of all?</font></blockquote> By all means! That's what the wiki is there for, after all.<br>
<br> Thanks for sharing!<br> Luke<br> </div></div><div></div>
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