On Tuesday 12 February 2019 06:06:31 Erik Christiansen wrote: > On 12.02.19 04:50, Gene Heskett wrote: > > Looking at fleabay, I find, for about $12, what looks like a > > centrifigal 12 volt blower, rated at 380L a minute for blowing up > > air mattresses etc. Rated pressure is 3800pa, but that doesn't > > readily translate into how much or how well it would blow, > > $ units > You have: 3800 Pa > You want: psi > * 0.5511434 > > Ya, well, 380 L/min is FAD, and 0 L/min is 0.55 PSI, according to the > above. It'd lift air mattress fabric off the floor, but that's about > it, I figure. > > > and make a mist for cooling a 4mm tool for working alu sheet? Like: > > > > <https://www.ebay.com/itm/Air-Compressor-Portable-Electric-Pump-Infl > >ator-Nozzles-Car-110V-AC-12V-DC-SM/292708939526?hash=item4426cff706:g > >:UMgAAOSwq4dbiLuc:rk:37:pf:0> > > > > Would it move enough air to run a mister? > > It's definitely HVLP, and you need less volume and more pressure to > mist the liquid, I figure. > > > I get the impression its a relatively short operating life, so one > > should buy 2 of them to have a spare... > > > > Or should I be looking at the air brush stuffs in the $50 range? > > Like: > > > > [Link elided] > > Well if one of "working pressure 15 - 50 PSI" and "Max pressure 25 > PSI" are true, then it's about 50 times better than the other.
My thoughts are along that same line. > Dunno > how it'd handle one of your 6 hour convoluted gcode runs, though. Squeezing air generates heat. So how well does if self cool will answer that question. Assuming 15 psi, and the next run to make another panel, this time for its own use, 10 to 20 minutes to make 10 holes and 2 dsub cutouts. Properties says about 13 minutes. Ad I'd turn it on and off with the spindle enable signal, but with a delay in the off mode in case I see I have to put a tool cooling delay in after each hole. With a 5 minute cool down after each hole, that would add about 2 hours to that run time. Another detail of note is that as the panel heats from the cutting, it buckles upward in the middle a wee bit, so I need to raise the #<_zup> at least .1" to keep the tool clear when its supposed to be. I thought 40 thou was enough, but it wasn't. And I'd ordered a 6" rotron fan I can rig to blow on the panel, which combined with the time delay between cuts, might be enough to get this job done a lot cleaner than the first pass was. > > Erik > (Who's starting to look at 5 or 4 kW off-grid hybrid inverters and 48v > 10 kWh battery options. Ya don't want the cheap ones, I hear.) > Good thinking Erik. Weston WV is a very old town, and many of its original streets are horse and buggy width. That means when REA came in, the power poles were planted about 3 inches from the face of the curbs. Said another way, passenger side mirrors on bigger vehicles like my 2011 Crew Cab F-150 are in serious danger of wipeout on a power pole without the wheels ever touching the curb. So after 29 years and several damageless fold ups, I finally got one last night. So I went back today in the daylight and found all the pieces, and everything but the glass itself just snapped back together. Heated glass, but I just found a new one on ebay for $29. Needless to say I clicked the blue button and it should be here in a week. Just one slight disadvantage to living in a 200+ yo town. Its narrow streets. Weston's Bank (it has 3 now) was old when it figured in the civil war because both army's tried to rob it. But its told the Union troops beat the confederates and took it first. Way before my arrival in late 1984. Winners always get to write the history books. And in the longer view, its said everybody was made well. 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> _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
