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<p>Attendees
<br>
--------------
<br>
</p>
Martin Hardwick, STEP Tools, USA
<br>
David Loffredo, STEP Tools, USA
<br>
Bengt Olsson, Sandvik, Sweden
<br>
Mikael Hedlind, Scania, Sweden <br>
John Bijnens, KU Leuven, Belgium
<br>
Sid Venkatesh, Boeing, USA
<br>
Asa Trainer, ITI, USA
<br>
Katie Tilery-Merck, UILabs, USA <br>
Liming Li, MIcro Encoder, USA<br>
John Horst, NIST USA,<br>
Ray Admire, Lockheed Martin, USA<br>
<p>We discussed the demonstration that will be given
at the DMDII on July 12th. An MTConnect adapter with a 4ms
response has been installed on the Hyundai WIA XF6300. This
adapter is able to build good digital twins, in real time, as
shown by the following video.</p>
<p><a class="moz-txt-link-freetext"
href="http://www.steptools.com/blog/20170616_dmdii_tests/">http://www.steptools.com/blog/20170616_dmdii_tests/</a></p>
<p>The STEP-NC file used for dry run machining shown in the video is
here:
<a class="moz-txt-link-freetext" href="ftp://www.steptools.com/private/JWG15/DMDII/aluminium_boxy_with_probing_20170616.stpnc">ftp://www.steptools.com/private/JWG15/DMDII/aluminium_boxy_with_probing_20170616.stpnc</a><br>
</p>
<p>An STL file made from the result of the twin simulation is here:
<a class="moz-txt-link-freetext" href="ftp://www.steptools.com/private/JWG15/DMDII/210160616_dry_run.stl">ftp://www.steptools.com/private/JWG15/DMDII/210160616_dry_run.stl</a></p>
<p><img shrinktofit="true" title="unnamed_1.png"
src="cid:part2.BC72938D.9032CCE9@steptools.com" alt=""
height="576" width="1024"></p>
We had a blue sky discussion on how to promote the results of the
DMDII projects with a suggestion being made for a grand challenge to
be issued for IMTS 2018 and JINTOF 2018. The following summarizes
the discussion:
<p><b><u>Build Anywhere Grand Challenge</u></b></p>
<p> </p>
<p> </p>
<span style="font-size:12.0pt">We are planning a major initiative
for IMTS 2018 and JIMTOF 2018. The probable title will be the
“Build Anywhere Grand Challenge” and it will use the results of
the DMDII "Mind the Gap" (14-02-02) and "O3" (14-06-05) projects
to enable inter-operable machining and measurement.</span><span
style="font-size:12.0pt"></span><span style="font-size:12.0pt"></span><br>
<br>
<span style="font-size:12.0pt">We will get endorsement from the
standards groups in July, and by the aerospace industry in August.
The sponsors will provide the models that are to be machined and
help pay for the costs of promotion. Presentations to potential
participants will take place in September, October and November
with the first rehearsal taking place at NIST in January. After
that there will be another three rehearsals at locations
convenient for each of the participating standards groups (STEP,
MTConnect and QIF). Finally, the IMTS show will take place from
September 10th and 15th 2018 in Chicago, followed by the JIMTOF
show from November 1st to 6th 2018 </span><span
style="font-size:12.0pt"><span style="font-size:12.0pt">in Tokyo</span>.<o:p></o:p></span><span
style="font-size:12.0pt"><o:p></o:p></span><br>
<br>
<span style="font-size:12.0pt">At the show, a new part will be
released each day. Participating vendors will be asked to machine
the part and validate that it meets the tolerances using
on-machine and off-machine metrology. They will be asked to
deliver a QIF report summarizing the results of the measurements
and they will also be encouraged to explain why their solution
might be faster, less costly, or more accurate than that of their
competitors.<o:p></o:p></span><br>
<span style="font-size:12.0pt"><o:p></o:p></span><br>
<span style="font-size:12.0pt">Participants will be given a STEP-NC
file describing how to machine the part. They will be allowed to
choose between many strategies to make the part including reading
the STEP-NC file into a CAM system for post processing, and
processing the file directly on the CNC using the technology
developed by the DMDII projects.<o:p></o:p></span><br>
<span style="font-size:12.0pt"><o:p></o:p></span><br>
<span style="font-size:12.0pt">Vendors will be required to
demonstrate that they have met the AP242 tolerances using
on-machine or off-machine metrology. If they use on-machine
metrology then they will be required to use MTConnect to report
their measurements. In both cases they will be asked to produce a
QIF report verifying their results.<o:p></o:p></span><br>
<span style="font-size:12.0pt"><o:p></o:p></span><br>
<span style="font-size:12.0pt">The IMTS 2018 grand challenge will
demonstrate “build anywhere” for piece parts. A follow on grand
challenge will demonstrate “build anywhere” for assemblies.<o:p></o:p></span><br>
<span style="font-size:12.0pt"><o:p></o:p></span><br>
<br>
<img src="cid:part3.EB2256C9.067AF620@steptools.com" alt=""><br>
<p>
A recording of the conference call is at:
<a class="moz-txt-link-freetext" href="ftp://www.steptools.com/private/JWG15/DMDII/WG15_STEP%20Manufacturing_20170614.mp4">ftp://www.steptools.com/private/JWG15/DMDII/WG15_STEP%20Manufacturing_20170614.mp4</a></p>
<p>The next conference call will be held at the regular times on
Wednesday June 28th.
<br>
<br>
Martin Hardwick
<br>
Convener WG15 Digital Manufacturing
</p>
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