Try a pressure pot. Of course you’ll need a valve for the liquid line as well as the air line ... 2-1/2 Gallon Pressure Tank Paint10 ft Air and Fluid Hose with 3.0 mm Nozzle 6940015399833 | eBay <https://www.ebay.com/itm/2-1-2-Gallon-Pressure-Tank-Paint10-ft-Air-and-Fluid-Hose-with-3-0-mm-Nozzle/222805940003?_trkparms=aid%3D222007%26algo%3DSIM.MBE%26ao%3D1%26asc%3D20131231084308%26meid%3D6852bb2821004a75b4b33f0629d4a214%26pid%3D100010%26rk%3D2%26rkt%3D2%26sd%3D392148898537%26itm%3D222805940003&_trksid=p2047675.c100010.m2109>
> On Mar 18, 2019, at 12:50 PM, Gene Heskett <ghesk...@shentel.net> wrote: > > On Monday 18 March 2019 09:10:04 Todd Zuercher wrote: > >> Don't discount pump heating of the water. Last week I was working on >> one of our machines that was down with several issues (much larger >> spindle 19hp). One of the problems was the cooling fan for the water >> was dead. It was a lower priority than some of the other problems, so >> I was working on it for a couple of hours with the power on, then went >> look at the cooler and I was shocked at how warm the water was. >> Without the spindle running at all, in the time I worked on the >> machine, the water temp had risen from room temp to about 3 times >> higher than it normally is with the spindle cutting and the cooling >> fan working. The fan and radiators are very important on this 5 >> gallon cooling system. >> >> Todd Zuercher >> P. Graham Dunn Inc. >> 630 Henry Street >> Dalton, Ohio 44618 >> Phone: (330)828-2105ext. 2031 > > Yes, I was somewhat surprised myself when after 3 days, the 3 gallons in > my tank was up to 38C. Now my pump starts 1/2 second after the spindle, > and stops 120 seconds after its shut down. And just this morning got > all the pyvcp tallies working. At least showing pump power s/b on, no > flow switch. :( > > Yesterday, on a Sunday even, saw the usps driver put a box on the chair > just outside the front door, with a gallon of Kool-mist in it, so I > discovered just how little suction the mister I bought had. Takes more > air at a higher pressure than my 2hp AC is comfortable with to lift the > coolant out of a dishwasher pod bucket sitting on the table about 4" > below the bed surface. So I suspect I'll have to make a shelf on the > side of the gantry to set the src container on, raising it about 4". The > suction hose is also a bit short, so moveing the coolant tank with the > gantry will help there too. So will approaching the mister valve from > below, sucking hard enough to pull it over the top of the gantry > crossbar takes way too much air. > > Then last night I plugged in the A table, but it stopped working as I > believe I'll have to fix the windings order. Not the first time as no > two motor cables are wired the same so I've had to adjust other motors > already. And I think I've a hal routine to calibrate the rotation scale > working by y measureing apos-fb for 100 clicks of the home switch. I > like to be able to set angles to arc-minutes accuracy at least. :) > > Anybody interested in that hal code? >> >> -----Original Message----- >> From: Ken Strauss <ken.stra...@gmail.com> >> Sent: Friday, March 15, 2019 3:03 PM >> To: 'Enhanced Machine Controller (EMC)' >> <emc-users@lists.sourceforge.net> Subject: Re: [Emc-users] Spindle >> motor coolant advice needed >> >>> -----Original Message----- >>> From: Chris Albertson [mailto:albertson.ch...@gmail.com] >>> Sent: Friday, March 15, 2019 1:44 PM >>> To: Enhanced Machine Controller (EMC) >>> Subject: Re: [Emc-users] Spindle motor coolant advice needed >>> >>> When I had a coolant tank, for a different purpose, I put automatic >>> "anti freeze in the water. It is make just for this purpose and is >>> non-corrosive with materials used in car engines. >>> >>> Also, if the water recirculates it will eventually warm up. I put a >>> 12 volt fan on the tank lid and made it into an evaporative cooler. >>> Then you top off the tank with new water now and then. If the >>> water is taking even 25 watts of heat from the system it will heat >>> up quite a lot unless you rig some kind of cooling. >> >> How about using a radiator like >> https://www.amazon.com/Computer-Radiator-Water-Cooling-Cooler/dp/B079D >> HJ91F/ which is intended to cool CPUs? It comes with mountings for >> three 120mm muffin fans. >> >> >> >> >> _______________________________________________ >> Emc-users mailing list >> Emc-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/emc-users >> >> >> _______________________________________________ >> Emc-users mailing list >> Emc-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/emc-users > > > 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 > <http://geneslinuxbox.net:6309/gene>> > > > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net <mailto:Emc-users@lists.sourceforge.net> > https://lists.sourceforge.net/lists/listinfo/emc-users > <https://lists.sourceforge.net/lists/listinfo/emc-users> _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
