No manipulator, just gearbox. We've greased on assembly of the stages (except 1:1)
We are measuring electrical power (using
http://www.powerwerx.com/digital-met...owerpoles.html), under these no-load conditions we expect to see all of that converted to heat (and some sound), which is consistent with what we're seeing.
You're correct that the max power isn't really a valid comparison as we're measuring power at a completely different stage, I included it more to give a sense of the scale.
We expected to see ~30W like the BAG, and like your tests. We're unsure of what has gone wrong. We're interested in what other people's experiences have been.
Quote:
Originally Posted by Nuttyman54
I can't comment on the 775pro yet since we just ordered them, but I do recall in 2014 we encountered a similar problem with our VP's running RS550s. It wasn't quite to that extreme, but they were very touchy with how they were assembled as to how much friction they had inherent to the gearbox. I would suggest disassembling the gearbox (or at least loosening the screws a bit) and trying it again.
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Do you recall anything that can indicate the order of magnitude you experienced? No-load power (or current) measurement? Could you hold onto the motor/gearbox after running it for a little while?