Our knee mill do have hardened and grounded table and ways.
Our cnc mill do not have hardened and grounded table surface, we only hardened and grounde the ways.
Some of the inverter machine you can use the single phase to run , however it may loose some horse power.
Use Mobil Vactra#2 or Hangsterfer's way oil #2.
3 Phase 208 to 232V
Most Atrump's machines are made in Taiwan.
Every 15min work 10sec.
85 to 100psi
Contact your electric tech. to install bulk boost transformer to bulk the high voltage input
Please use Hangsterfer's S-500 7% coolant.
Please use "Tellus 32" from SHELL
No, We do not supply the metal way cover on these model machine.
Yes, You could buy an optional high voltage step down transformer to use 440V input.
We use the coolant to flash down the chip and sweep out from the machine.
Do not use the air to clean it may enforce the chip to go in some hidden spot like inside the saddle.