I am an old man, not as sharp as I used to be :-) So I need a little guidance.
I bought a Bridgeport E2R3 CNC mill (Boss 8). And just bought a nice Hitachi 2hp VFD.
I have read quite a few posts that say only the spindle uses the 3 phase everything else can be powered by 240v Single phase.
I am trying to hook this up but came across this in the
'Bridgeport R2E3 Series 1 Installation and Maintence Manual' page 4-1
70 VAC three phase - line voltage is fed to transformer T2. T2 is a 3 phase step down transformer. It steps the line voltage down to 70 VAC Three phase. This voltage is used by power supply PS1. PS1 provides 100 VDC to the NC414 axis drive controllers.
At this point I am lost. How do I make this transformer work with 220 single phase