Re: [Emc-users] misters for really small setups?

[Gene Heskett]

On Monday 30 September 2019 13:44:08 marcus.bow...@visible.eclipse.co.uk 
wrote:

> On 2019-09-30 18:16, Gene Heskett wrote:
> > Greetings all;
> >
> > Where can I find a mister assembly with a tip 1/4 the size of the
> > common
> > tip used with the bendable linked coax hosing everybody sells for
> > around
> > $10 USD a copy.
>
> Could you use a cheap airbrush?
>
> Marcus
>
The size (mainly its length, most are about 6" or more long) would be 
awkward, but might work. Everything I already have is suction feed from 
a 2 oz bottle under it though. Simple stuff, awkward to run by hand.

I'll have to see if I can find a handpiece with a 2 hose feed. Might be 
made to work. Twould need to be mostly SS construction due to the water 
based coolant.  Ideally the needle should be run by a solenoid driven by 
the same circuit the air valve is.  The exercise would help prevent 
clogging if the liquid develops contaminates while sitting. I've not 
noted any forming in the coke bottle tank so far. Ignore that faint 
knocking sound. :)

I'll have to check at A.C.Moore the next time I go by Bridgeport, 
probably after I get the aortic valve transplant around the 9th.

Thanks Marcus.
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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)
If we desire respect for the law, we must first make the law respectable.
 - Louis D. Brandeis
Genes Web page 


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Re: [Emc-users] misters for really small setups?

[marcus . bowman]

On 2019-09-30 18:16, Gene Heskett wrote:

Greetings all;

Where can I find a mister assembly with a tip 1/4 the size of the 
common
tip used with the bendable linked coax hosing everybody sells for 
around

$10 USD a copy.



Could you use a cheap airbrush?

Marcus


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[Emc-users] misters for really small setups?

[Gene Heskett]

Greetings all;

Where can I find a mister assembly with a tip 1/4 the size of the common 
tip used with the bendable linked coax hosing everybody sells for around 
$10 USD a copy.

Working on the heat sink yesterday I wrote an M7 as I started the cut 
run, with an M9 at the end so I wasn't wasting fluid when backed away 
doing the retrace motions. But by the time I got the pressures and flows 
about right, and my finger was getting damp when held downwind of the 
tool, I had a drop of fluid hanging on the tip, not being broken into a 
mist, but only occasionally slobbered in the general direction of the 
tool. I need an inner tip much less than 4mm in diameter, perhaps 2mm at 
the most, and the air cone surrounding it having a reduced to maybe .1mm 
clearance to the center, liquid orifices OD.

Such a "half scale" tip would still adequately wet the small tools, up to 
1/4" used in a 6040 gantry, while reducing the liquid usage a lot.  Do I 
have to make it?

My misting setup is too complex IMO, I have a cheap pressure regulator in 
the hose from the air compressor, dropping it to around 4 or 5 psi, that 
feeds the outer hose, and goes on to a 7Oz coke bottle by way of another 
cheap regulator to pressurize the bottle and push fluid out of it, into 
a 10 foot coil of the smallest capillary tubeing I cold get for flow 
restriction, and that is delivered to the block on the spindle motor 
bracket and thence to the inner hose into the nozzle. So it dribbles 
slowly out of the nozzle at about a drop a second and is broken up by 
the air flow from the outer cone.  Far too complex for no better a 
misting job than it does. It also keeps the air compressor too busy.

Can I buy a better one?  Where?

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)
If we desire respect for the law, we must first make the law respectable.
 - Louis D. Brandeis
Genes Web page 


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