On Saturday 28 January 2017 17:03:35 andy pugh wrote:

> On 28 January 2017 at 20:25, Gene Heskett <ghesk...@shentel.net> wrote:
> > I can't qualify it as "rarely-used" here, Andy.  I don't have a hal
> > file that doesn't have some outputs that are there just to watch
> > something.
>
> You run "Halshow" all the time? Even when the machine is running
> normally?

Not halshow, but halmeter's. Sometimes as many as 8 when I am tracing my 
often broken logic. But when its working, the stub stuff rarely gets 
excised from the hal file when its working, but the halmeters don't get 
started when I no longer need them. 

In working on those chuck locking collar's I had 2 problems today.

Running the G0704 to drill the stuff in the rim preparatory to fitting a 
5mmx.8 draw screw to tighten it on the edge og the spindle flange, I had 
it positioned and touched off at the centerline of the screws, bore, so 
I took a wild guess at how deep the screw hole should be, guessed 1.5" 
because I had not found when the er-32 nut holding the drill, was going 
to hit the rim and chew it up. g1 f2 z-1.5". And when I hit the return 
key it drove z down to -1.5, but it drove it at about 50 ipm, moving the 
work piece in the vice, so I had to start over, locating it in the vice 
& making sure it couldn't move again. When I had restored its position 
in the vice, and touched off a new x0y0z0 position, I uparrowed in the 
MDI history and reran it.  Worked perfectly.  Murphy?  DamnedifIknow.

Then I took the ring, whose gap I had not sawn yet, off the mill and 
chucked it on the lathe from the inside, and proceeded to make first 
swarf. I had not reduced the error and ferror settings below 10.xxx if 
the .ini file yet. But I fooled around, driving it by hand for close to 
2 hours spindle run time, without a single joint error. 

But one thing's bugging me, this damned pi doesn't always ack the key up, 
so the axis I needed to bump a thou, keeps on moving at creep speeds 
until I hit and release a key.  Any key.  It like the keyboard has its 
name in the priority list at a very low priority position. Looking at 
the usb stuff when it has nothing else to do.

Anybody know anything about that?  It's been an intermittent since day 
one. I have several keyboards, and when its of a mind to make a problem, 
changing keyboards has never helped, as is a reboot will often clear it 
up All are usb, and if it being a problem, switching from wired to 
wireless doesn't effect the error rate.

Clues?  I've tickled it extensively without a finger to put on it.

Thanks everybody.

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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