On Sunday 03 June 2018 22:31:32 jeremy youngs wrote:

> Update, I pulled this other ametek motor apart. And it had a glass
> disc encoder, only 4 wires and clearly labeled a,b,5, gnd , so no
> blown opto when I hooked it up. The glass disc said 1000 on it so I'm
> presuming it's a 1000 PPR encoder, I will check part numbers tomorrow
> . Hooked it to 7i90 and it just works.

No Index??? Seems like it would be handy. OTOH, for XYZ, not a hard and 
fast requirement as long as the home switches are good. But you'll need 
it on the spindle. In fact, the index is the only thing that must be 
tied to the spindle if you ever want to do rigid tapping.

The rest of the encoder (a/b signals) can be on the motor, and you can 
calibrate the scale for the spindle with some hal stuff you can comment 
back out of the hal file once the scale has been determined. Thats how I 
did mine anyway. Works a treat.

> Finally, something that didn't fight me tooth and nail.

> Now I have to put an encoder on the z motor and wait for brown to drop
> this 6hp spindle motor off and see what I need for that, I have 2
> drives coming for that and a bid on a power supply for the drives so
> life is well at this time.

Sounds good. How much weight do have to man handle on the Z?

> Ttyl take care fellas

We try. I've got the tap hat g-code working well, but ran out of M6 grub 
screws, so I just ordered another 100 M6's and 100 M8's for the biggest 
taps, which should run me out of brass before I run out of taps to 
mount. So sometime after the screws get here, I should order another 6 
feet of 7/8" brass rod.  And a decent set of letter drills, these are 
only slightly better than cold butter. Even running each one thru one of 
the original drill doctors isn't enough to drill clean in one pass. In 
brass.

-- 
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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