[Clas12_rich] Time CMM for measuring RICH mirrors on 6/16/2016

James Dahlberg dahlberg at jlab.org
Wed Jun 15 15:48:53 EDT 2016


If we start later, it may run into a second day.
Jim

On 6/15/2016 3:16 PM, Tyler Lemon wrote:
> Dear Marco Contalbrigo and Marco Mirazita,
>
> Jim got back to me this morning regarding the CMM measurements for tomorrow, 6/16. He said we could start about 8:00am. Will you have returned from Washington by then? You mentioned previously that you wanted to be the ones to open the mirror box, would that be able to happen around 8:00am tomorrow as well or should we move the time to later in the day? I have included Jim in this email to help with the time scheduling. Please let us know.
>
> Best regards,
> Tyler
>
> ----- Forwarded Message -----
> From: "Jim Dahlberg" <dahlberg at jlab.org>
> To: "Tyler Lemon" <tlemon at jlab.org>
> Sent: Wednesday, June 15, 2016 7:07:08 AM
> Subject: Re: CMM for measuring RICH mirrors on 6/16/2016
>
> Around 8:00 would be fine.
> Jim
> On 6/14/2016 4:36 PM, Tyler Lemon wrote:
>> Dear Jim,
>>
>> What time would we be able to schedule the CMM measurements for the RICH mirrors on Thursday, 6/16? Please let us know. Thanks in advance.
>>
>> Regards,
>> Tyler
>>
>>
>>>> Il 2016-06-08 17:39 James Dahlberg ha scritto:
>>>>> Looks like the 16th would be fine. Sounds like you would really like
>>>>> for the DSG to perform these measurements.  After everything is set
>>>>> up
>>>>> and calibrated, a person could be trained fairly quickly to operate
>>>>> the CMM arm and take the measurements.  One of our guys would have to
>>>>> calibrate and run the software.  With our ~ 30um CMM, they would be
>>>>> measured in one setup.  What accuracy do you need and is it just the
>>>>> radius you need or a detailed profile.  Also, just to be sure, the
>>>>> surface can be touched with a probe, correct?
>>>>> Jim
>>>>>




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