On 11/21/22 18:23, Andy Pugh wrote:
On 21 Nov 2022, at 21:17, Jon Elson <el...@pico-systems.com> wrote:
Anybody know a better way to do this?
How about a really slow, low duty-cycle pwmgen
I have no idea how long the silicon tube in a $10 (ebay when I bought a
4 pack expecting short life, but 3 years later I'm still on the first
one) peristaltic pump would last pumping vactra 68. But I have such a
beast on my 6040 driving the mist atomizer. Its a 12 volt pump, and I
rigged up a two timer circuit that pulses the 12 volts to it about 5% of
the time, quite a few times a second. I've rigged up pyvcp sliders to
control it, and I had an 8 oz coke bottle with diluted koolmist in it,
last as long as 8 hours while doing an awfully clean job of carving 1/2"
alu into er20 wrenches.
If interested, I'll put some pix and config tarballs up on my web page.
You can cherry pick whats useful. With my setup, finding a mist spray
head you can point at the tool that actually works is the biggest
problem. Much less of a problem if the oil plumbing is already present.
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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, 1940)
If we desire respect for the law, we must first make the law respectable.
- Louis D. Brandeis
Genes Web page <http://geneslinuxbox.net:6309/>
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