TSC filters

[kens1]

For those running through-the-spindle coolant, how fine of a filter do you use? We have a 20 micron filter on our Haas, but we have been having problems with the coolant holes in the drills getting plugged. The drill manufacturer is recommending a 5 micron filter. Haas does not offer anything other than the 20 micron. We are drilling .1875 drills in aluminum, and would like to drill .125 also if we can get this problem worked out. Any thoughts?

[gcode]

I'm moving this to the machinery fourm.

You might get more action over there

[specv]

I would check with your coolant supplier, if you go to small then you start to filter out the coolant from the water. Also if you go too small then the pressure builds and actually creates larger holes in the filters. I believe we use 40 or 50 micron filters for this very reason.

[35K chipper]

kens1,

we have a chip blaster 1200psi at 8gpm. this is the coolant path:

suction from machine tank pump 1

output of pump1 thru a 100 mesh bag filter into chip blaster settling tanks

suction out of settling tanks with pump 2

pump2 100psi output thru a large 5 micron bag filter then thru a 1 micron cartridge filter

then into into a three piston progressive cat pump 1200psi output

then thru the spindle.

using Chemstar 60LF.

 

never use polypropylene filters they have an affinity for products in the coolant

use polyester filters!

hope this helps.

.

.

35k

[kens1]

Thanks for the input, guys.

[Mr. Wizzard]

Just a mental note, correct me if I'm wrong. You can decrease the micro size and keep your flow rate if you increase the surface area of the filter being used? Just wondering aloud...