On Thursday 18 April 2019 15:29:35 Roland Jollivet wrote:

>  > > Ditto if using an R8 directly, the R8 gets tightened with a 20
>  > > volt
> > >
> > > electric impact wrench driving an 8 point 10mm socket a lot
> > > tighter than I can draw it by hand with the supplied toy 10mm
> > > endwrench.  If not, the TTS in the R8 may slip and walk out. The
> > > life of that socket before it splits might be 50 times, its hell
> > > on good quality sockets.
>
> Hi Gene
>
> I found this video that may be food for thought.
>
I saw it even before I bought this thing.  And like you, either they 
can't write code that will do all that in one swell foop, or there was 
something wrong from the gitgo that I still haven't spotted.  That was 
also one honking big machine. I have not figured out what the piece 
bouncing around in the plate attached to the bottom of the motot to 
supply an anchor for the shaft lock.  It should be in or out, not 
bouncing around like a loose horseshoe.

I discounted the idea originally because of the cost of all those gears, 
and the ER32 nuts too.  Very well built, way too well built IMO. If I 
build it with a swing arm so it can stay off the table, I might consider 
such a set of relay gears to rotate the socket.  But that also would use 
up 1.5" of vertical move room this 6040 doesn't have to spare.  No way 
could I swap 2 drill bits half that long with the travel I have.

But with good driver code, it could work well on a machine you've already 
spent 10G's on.

> It's very slow because they were just testing out, and there's no
> follow up video either..  (still looking)
>
> https://www.youtube.com/watch?v=V0v_aP8hXR8
>
> From what I see;
> - this is a six station ATC
> - a motor drives a belt that drives two small gears
> - each small gear drives three large gears
> - each large gear carries a socket.
>
> While their sockets all rotate the same way, you could just cascade
> all the large gears in a straight line, and use opposite motion
> sequence for alternate pockets. With some mechanical loss as you go
> down the line.

I've not fine tuned it yet, but I finally did find the low speed torque 
boost controls in this VFD  So I may have that problem whupped. Maybe. 
Turns out the factory defaults place the frequency breakpoints for a 3 
point curve so low they have no effect at usable revs.  Nice way to keep 
a lid operator from burning up his motor, or the VFD, in the first 30 
minutes. 

Usefull settings TBD, but its progress.

Thanks & take care Rolland.

Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page <http://geneslinuxbox.net:6309/gene>



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