[step-manufacturing] Questions about the slides

[Martin Hardwick]

Many thanks to Tom for sending these questions - have put some answers 
into the text and made some adjustments to the slides (attached).

For further discussion in the call.


On 12/14/2016 9:14 AM, Tom Kramer wrote:
> Hi Martin -
>
> Thanks for sending the slides in advance. I plan to join the 
> teleconference this morning. At 11:00 I have another teleconference, 
> so I hope it won't take more than an hour.
>
> I find the slides a bit confusing, particularly slide 5, which has a 
> diagram. Here are some questions and comments.
>
> On Slide 4
> --------------
>
> 1. Items 3 and 5 on slide 4 refer to a CMM, but it appears that no CMM 
> is involved. Presumably "CMM" on this slide means "virtual CMM" or 
> "Smart Metrology Service". Is that correct? YES
>
> 2. What sort of QIF information is being produced. Is it only nominal 
> touch points and actual touch points, or are features being fitted and 
> characteristics (tolerances) being evaluated? Chartacterstics are 
> being evaluated by the CMM
>
> On Slide 5
> --------------
>
> 1. What is the function of "Smart Phones and Tablets"? Why are 
> "Computers" not included? REMOTE OPERATION
>
> 2. Why is AP242 rather than ISO 13399 used to communicate tooling 
> data? Is a CAD model rather than a parametric model being transmitted? 
> SO THAT THE SERVER GETS A MODEL OF THE TOOL
>
> 3. The Digital Twin Server presumably has a stored model of the 
> nominal part and constructs an as-built part. Does the AP242 arrow 
> going into the Digital Twin Server indicate that the Smart Metrology 
> Service is sending the nominal model to the  Digital Twin Server? If 
> not, what does it indicate? AT PRESENT WE WILL BE SENDING AP242 FROM 
> THE SERVER TO THE CMM BUT NOT VICE VERSA
>
> 4. There is nothing going into the Smart Metrology Service box. How 
> can it produce QIF output? Is there an MTConnect data repository 
> missing from the diagram from which the Smart Metrology Service gets 
> data? CMM WILL PRODUCE QIF FROM POINT CLOUD ASSOCIATED TO THE SURFACES
>
> 5. I don't like the word "Catalog" used to represent actual tooling 
> (which is what it seems to mean on the diagram). I have always kept a 
> distinction between (1) a catalog, which represents models of 
> as-designed tools and (2) an actual tooling database, which represents 
> tools that are actually available for use and has as-measured data for 
> some tool parameters -- diameter, for example. NOT SURE I LIKE CATALOG 
> EITHER - MAYBE TOOL PRESETTER
>
> 6. Since the CNC machine is not getting any tooling data, it appears 
> from the diagram that the CNC Machine is not doing any tool wear 
> compensation in this scenario. Is that correct? PROBABLY NOT
>
> 7. Does the dotted line labeled "G-code" mean that G-code is sent from 
> the Digital Twin Server? YES
>
> On 12/14/2016 07:46 AM, Martin Hardwick wrote:
>>
>> All,
>>
>> Here are some slides on how we can use MTConnect, STEP and QIF to 
>> check on the results of an operation when the potential for a tool 
>> wear issue has been identified.
>>
>> Martin
>>
>> On 12/13/2016 10:13 AM, Horst, John A. (Fed) wrote:
>>
>>> Hi Martin,
>>>
>>> The DMSC is in dialog with the MTConnect Institute to reference QIF 
>>> elements when doing in-process measurement. DMSC and MTConnect 
>>> leadership has been in dialog about this for some time. Is there any 
>>> talk about this in your group?  Can we talk about this Wednesday 
>>> with your group?
>>>
>>> Thanks,
>>>
>>> John Horst
>>>
>>> NIST
>>>
>>> *From:*step-manufacturing 
>>> [mailto:step-manufacturing-bounces at steptools.com] *On Behalf Of 
>>> *Martin Hardwick
>>> *Sent:* Monday, December 12, 2016 8:00 AM
>>> *To:* step-manufacturing at steptools.com
>>> *Subject:* [step-manufacturing] Proposed agenda for December 14 
>>> conference call
>>>
>>> All,
>>>
>>> The last conference call of 2016 is this Wednesday at the regular 
>>> times - 7AM Pacific, 10AM Eastern, 3PM UK and 4PM Europe. The 
>>> contact details are repeated below for those who do not use an 
>>> electronic calendar.
>>>
>>> The following agenda is proposed:
>>>
>>> 1. Live demonstration of virtualized machining for a Haas mini-mill 
>>> (to be held December 19).
>>> 2. Proposal for an MTConnect extension to include probing results 
>>> (see below).
>>> 3. Planning for the February demonstration.
>>>
>>> 2016-04-23T21:53:38.7964000Z|measure|features:"PNT276,PNT219" 
>>> id:"DIST19" characteristic:"3D DISTANCE" nominal:2.6416 
>>> measured:2.64159200514476 minus:0.254 plus:0.254 deviation:0
>>>
>>> 2016-04-23T21:53:41.2768000Z|measure|features:"PNT282,PNT277" 
>>> id:"DIST20" characteristic:"3D DISTANCE" nominal:3.4544 
>>> measured:3.45440000000355 minus:0.2286 plus:0.2286 deviation:0
>>>
>>> 2016-04-23T21:53:42.6184000Z|measure|features:"PNT281,PNT278" 
>>> id:"DIST21" characteristic:"3D DISTANCE" nominal:3.4544 
>>> measured:3.45440000000355 minus:0.2286 plus:0.2286 deviation:0
>>>
>>> 2016-04-23T21:53:43.4140000Z|measure|features:"PNT279,PNT280" 
>>> id:"DIST22" characteristic:"3D DISTANCE" nominal:3.4544 
>>> measured:3.45440000000364 minus:0.2286 plus:0.2286 deviation:0
>>>
>>> 2016-04-23T21:53:44.1472000Z|measure|features:"LIN11,LIN12" 
>>> id:"PERP3" characteristic:"PERPENDICULARITY" nominal:0 
>>> measured:2.80981460321072E-11 minus:0 plus:0.254 deviation:0
>>>
>>> 2016-04-23T21:53:45.0832000Z|measure|features:"PNT283,PNT223" 
>>> id:"DIST23" characteristic:"3D DISTANCE" nominal:3.048 
>>> measured:3.04799197854405 minus:0.254 plus:0.254 deviation:0
>>>
>>> 2016-04-23T21:53:47.4232000Z|measure|features:"PNT289,PNT284" 
>>> id:"DIST24" characteristic:"3D DISTANCE" nominal:3.4544 
>>> measured:3.45440000000363 minus:0.2286 plus:0.2286 deviation:0
>>>
>>> 2016-04-23T21:53:48.9208000Z|measure|features:"PNT288,PNT285" 
>>> id:"DIST25" characteristic:"3D DISTANCE" nominal:3.4544 
>>> measured:3.45440000000363 minus:0.2286 plus:0.2286 deviation:0
>>>
>>> 2016-04-23T21:53:49.9036000Z|measure|features:"PNT286,PNT287" 
>>> id:"DIST26" characteristic:"3D DISTANCE" nominal:3.4544 
>>> measured:3.45440000000363 minus:0.2286 plus:0.2286 deviation:0
>>>
>>> 2016-04-23T21:53:50.5744000Z|measure|features:"PNT284,PNT282" 
>>> id:"DIST41" characteristic:"3D DISTANCE" nominal:19.1262 
>>> measured:19.1261999999964 minus:0.1778 plus:0.1778 deviation:0
>>>
>>> 2016-04-23T21:53:51.1828000Z|measure|features:"PNT285,PNT281" 
>>> id:"DIST43" characteristic:"3D DISTANCE" nominal:19.1262 
>>> measured:19.1261999999964 minus:0.1778 plus:0.1778 deviation:0
>>>
>>> 2016-04-23T21:53:51.9004000Z|measure|features:"PNT286,PNT280" 
>>> id:"DIST45" characteristic:"3D DISTANCE" nominal:19.1262 
>>> measured:19.1261999999963 minus:0.1778 plus:0.1778 deviation:0
>>>
>>> 2016-04-23T21:53:52.7740000Z|measure|features:"PNT290,PNT227" 
>>> id:"DIST27" characteristic:"3D DISTANCE" nominal:2.6416 
>>> measured:2.6415920051448 minus:0.254 plus:0.254 deviation:0
>>>
>>>
>>>
>>> 2016-04-23T22:01:06.7972000Z|measure|features:"PLN1" id:"FLAT1" 
>>> characteristic:"FLATNESS" nominal:0 measured:0.49999999926914 
>>> minus:0 plus:0.01 deviation:0.48999999926914
>>>
>>>
>>>
>>> Martin Hardwick
>>> Convener ISO WG15 Digital Manufacturing
>>>
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>>>
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>>
>

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