Money will (hopefully) become available once I demonstrate my mousetrap is 
better than their mouse trap.   A competing design recently secured a little 
over $30M in venture funding.  I believe my approach will produce a better 
bottom line for half to two thirds of thst.

> On Aug 23, 2017, at 9:59 AM, Dave Cole <[email protected]> wrote:
> 
> Sounds like you have a budget and if you are willing to put up a tilt up 
> building and temperature control it, you have some money to spend.
> There was money to spend on the system I was quoting about 9 years ago until 
> the DOD budget was slashed, then it all went away.   I got Siemens involved 
> and they had no issues tying a laser tracker into their CNC system.   The 
> router was a 5 axis design.    We were using standard Siemens servo drives 
> connected via Ethernet/Profinet on Fiber optic cable.   The actual control 
> system will not be the big cost for your system.  The drives and mechanical 
> system/gantry and building will be much more costly. The laser tracker was 
> some serious cash as well, but not much compared to the building and gantry 
> and framework.  Siemens had all of the CAM software required as well.
> 
> It can be done.  All of the technology existed 9 years ago.   But there is 
> nothing cheap about it.
> If you are really going to do this, you might want to make sure you have 
> flexibility designed into the system so you can do multiple processes with 
> your system.   Welding, cutting, routing, etc.    Being close to a waterway 
> might be a good idea as well. Huge things don't fit on semi trailers very 
> well.
> 
> Dave
> 
>> On 8/23/2017 12:19 PM, Rick Gresham wrote:
>> The building will likely typical concrete tilt-up or something similar.  The 
>> system will have to track/control position in real time.  Collisions will be 
>> very expensive so redundant systems are easily justified.  It may need some 
>> sort of collision avoidance system as a back up, too.  If the crosses some 
>> boundary, everything stops.  Stoppages are not a big problem, bumps in the 
>> dark are.
>> 
>> I've wondered about redundant control systems but haven't come across any 
>> information yet.  Anyone remember the triple Tandem non-stop systems NASA 
>> used?  Three fault-tolerant systems running in parallel.  If they came up 
>> with different results, it was odd-man-out.   Probably don't need to go that 
>> far for this application unless something available off the shelf affordably.
>> 
>>> On Aug 23, 2017, at 8:56 AM, Chris Albertson <[email protected]> 
>>> wrote:
>>> 
>>> There are many ways to measure position.  With something this big and
>>> expensive I would suggest some redundancy.


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