On Wednesday 30 January 2019 17:10:50 Greg Bentzinger via Emc-users wrote:
> Begin Greg -- > The Tool and Die crew I worked with would use a Ranque-Hilsch vortex > tube, or mister on the machines in the die dept because none were > rigged for flood. One of the favorites was to mix up a 40% Isopropal > alcohol with distilled or DI water and run it in the mister. The > Alcohol really boosted the evaporative cooling. When the job needed > extra chill they would run 95% Isopropal. Only time it would ever > catch fire was when OD grinding 1mm dia. ejector pins. It would light > for maybe 2-3 seconds, but could never sustain its self. > > I would use an inline pressure regulator and keep the pressure down > around 25psi to help keep your compressor from having a heart attack. > On gummy AL I have made a 1/4" mote around the work area on the panel > and used a small squeeze bottle to put just enough Kerosene on the > part surface to see that it is .02" deep and as it leaks away through > the cutouts I add more as needed, (running 4K-24K RPM) I also highly > recommend Kerosene for use with "D" profile engraving cutters. End > Greg -- > Thats another good idea. But my local iso booze pedlar CVS would surely want to know what it is that I am doing with all that 91% I'm using. :) I'd have to find a place to buy it in gallon cans. Lots of people use K2 for EDM, but I've found distilled water works even better here. And no fire hazard at all. ;-) Thanks Greg B. 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 Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
