On Wednesday 20 March 2019 09:50:15 andy pugh wrote:

> On Wed, 20 Mar 2019 at 13:00, Gene Heskett <ghesk...@shentel.net>
> wrote:
>
> How gedit ever made it into LinuxCNC as the default editor is
>
> > immaterial, but when it was found to be a file scrambler it should
> > not have taken several years to remove it.
>
> I think it only ever scrambled files for one user.

Yeah, me. The SOB would pick up 20 lines of a hal file, and insert them 
in the middle of a different line. 6 or 7 times it did that. Once it 
took me 2-3 hours a day for a week to find and fix all that just to get 
the halfile to load, let alone work the way it was. It was in the middle 
of that, that I went looking for a better editor, and geany, which works 
a lot like gedit for save & quit, was the editor I've used since.

hal is a pretty powerfull language, and stepconfig doesn't begin to 
explore what hal can do. Throw in that stepconfig can't load and modify 
an existing halfile that just needs a tweak, and its stepconfig that 
hasn't been used here in years. The .hal file for this new 6040 just 
passed 225 lines day before yesterday as I added the code to calibrate 
the rotary axis, which now that its done, is about 30 LOC that will be 
commented out forever, or until I buy another rotary table.  Its very 
fast so will probably grow a stronger motor just to get the holding 
power. I have 2 weak motors, the z motor is the same size as the rotary, 
and can't begin to match the xy motors for speed, they can both move at 
200+ ipm, but the z is locking at around 70 trying to lift the spindle 
motor. 

I don't have home switches yet on the linear, its been 6 weeks since I 
ordered a bag of suitable switches, but nothing has arrived in my 
mailbox yet. That will grow the hal file a couple lines per switch as 
I'll dup the home switch on the other end and call them limits.

And it looks like I'll have to lower the mounting block for the mister, 
and buy something different, these I bought are crap, needing 50 psi to 
prime the pickup to lift 4", and at 50 psi are blowing way more air out 
of the flex joints than is coming out of the tip when adjusted for 
maximum lift suction. I've seen you folks quoting 15 psi, but this crap 
can't lift 1/2" at 15 psi. The shop made on I threw together back in 
about 2000 when I needed to make a 6" square, 1,5" thick bearing pad to 
get it away from a worn spot on the shaft, ran and made a heavy fog out 
of safflower oil, at about 25 psi, while lifting about 15". But its been 
laid away and I can't find it now.

Which is why I've asked two or 3 times where you guys are buying your 
misters?

Nozzle design rules, and these were not made for limited air use by a 
long shot. Youtube has lots of videos of guys making their own, but no 
real plans. Looking at this one, the internal fluid jet is in the 
squared off end of a 1/8" diameter rod, and my thinking is that it ought 
to be stuck in a pencil sharpener just to get the high speed air closer 
to the drilled hole, which is IMO, about 3x  bigger than it should be. 
But looking into the adjustable tip from the back, its step drilled, not 
cone shaped, so can't be adjusted correctly anyway. Ditto the needle 
valve in the mounting block, it can't begin to restrict the flow once 
primed.  Very poorly made crap. Its looking as if I'll have to run an 
air line back to the fluid tank and pressurize the whole thing just to 
fix the priming issue.  As a pressure container, I'm eyeing an 8 oz coke 
bottle with its screw on lid and some homemade fittings. I've got the 
weed eater fuel lines I used for ball nut lube on the old hf mill, but 
no clue how much pressure that stuff can take isn't known.

Other solutions, suggestions about misting welcome.

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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