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Do You Need On-Machine Motion Solutions?

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kf2qd
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Re: On-Machine Motion
kf2qd   5/14/2013 9:29:59 AM
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One problem I can see, from the tecnicians point of view - this puts more pieces in places that may be very inaccessable. I have built, installed and serviced industrial machines, and while it may make assembly and install a bit faster, it makes servicing the machine that much harder. It also means that the motor (withthe drive attached) also gets more expensive. Most cabinet mounted drives can detect problems and shut down to potect the drive and other components. Perhaps a motor has a bad bearing or other failure. Replace just a motor. Integrated motor and drive means that the whole package - more expensive - must be replaced.

 

You still need to run cables - raw power and control signals, so you still have to deal with cables and connections.

apresher
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On-Machine Motion
apresher   5/14/2013 8:57:18 AM
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One limiting factor with integrated drive-motors is the availability of higher power solutions.

TJ McDermott
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Re: On-machine solutions
TJ McDermott   5/14/2013 1:10:44 AM
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One significant stumbling block to single-package servo/drives is the environment in which they would be used.

In packaging machinery especially, such a combined servo/drive could be subjected to sanitary washdowns that routinely destroy components.

The IP69K standard of environmental rating was developed to describe what happens in such a washdown.  1000 psi directed jets of water at 180 degrees F is not to be brushed off.

Putting the servo drive in this environment means the cost of component includes the drive, not just the motor.

Very few servo motor manufacturers are willing to rate their motors for such extremes, let alone the drive.

 

Charles Murray
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Re: On-machine solutions
Charles Murray   5/13/2013 7:47:51 PM
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Great post, Jim. I'm curious, though: The advantages of on-machine seem so obvious, it makes me wonder why we're even having the discussion. Has on-machine not been the norm up to now? If not, why not? 

apresher
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On-Machine Motion
apresher   5/13/2013 3:11:29 PM
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Excellent post.  It's easy to see that the combination of integrated drive motors, distributed controllers and I/O plus new wiring options arechanging the architecture of machines. It will be interesting to see how this plays out. I would think that more and more companies will be looking to eliminate the larger control cabinets that have been a necessary part of machinery design for a long time.  Thanks.

Jim Grosskreuz
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Re: On-machine solutions
Jim Grosskreuz   5/13/2013 2:20:42 PM
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Rob, Thanks for your interest.  Yes, on-machine solutions are becoming more prevelent as OEMs and end users become more aware of the value of the solution. We see this technology being deployed in both new machines and plants, and also in existing installations as well.  The value in existing plants comes from that ability to add to existing machine easliy, without increasing cabinet space requirements.

Rob Spiegel
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On-machine solutions
Rob Spiegel   5/13/2013 9:52:23 AM
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Hey, Jim. Interesting article. Are the on-machine solutions getting much traction in plants yet? The customization possibilities alone seem like they would justify going in this direction. Is this development mostly applicable to greenfield installations, or, are you also seeing on-machine showing up in existing plants?

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