[woffler]

This mini mill has been mounted to a square column mill .Also the driven pulley was modified on the spindle to less than 1:1 runs at 6300 rpm been running now with 26hrs on it so far with no brg breakdown .A 12 v puck fan was mounted to the rear opening were the guts used to be same voltage as the transfomer inside the speed controller.I have been cutting production runs that last 40 to 50 minutes at a time runnig 3/16 end mill 3 flute carbide doc .1 to final cut of .63 thru .625 aluminum 6061 cutting speed 28 inches per min.

[woffler]

The mill has a 2250 oz rs stepper on the z axis and two 960oz steppers on the x and y.The power supply 65 volt 12 amp power supply driving it are g203 z vampire geckos on all axis the bo board is from probotix and has relay control card for spindles and for coolant. There are 22x5 ball screws on the xand y and a 34x20 on the z axis with double nut came from a damaged precision pallet loading sys it handles that head and weight like its not even there .There is a 2'cogged pulley on the z axis motor and a 4" on the screw.It has a flood coolant and a surround made from plexiglass as you can see the mini mill mounted to the left of the head 6300 rpm spindle speed soon to be modified to 10000rpm with a change of motor and ceramic bearings in the spindle.It has a air operated pwr drawbar i hope this answers some of your questions if you need more let me know please pm me. thank you

[Teyber12]

thats one hell of a milling machine, great work there