The new motor controller has come in today and I wasted no time replacing the stock X3 controller with the proven Minarik 23001C.
I kept the controller @ 120VAC (even though I can go 240V) as for now I am keeping the stock motor. The swap out took may be 20 mins . Didn't drill any new holes - reused the stock 3mm holes.
I added a heat sink - from Pentium 2 I had laying around. It has a built-in fan but I didn't power it up for now.
The "inhibit" aka "emergency stop" switch on stock X3 is configured for NC. I opened the cover and rewired it for NO (the switch can work either way, no need to replace it).
Adjusted the voltage to where motor gets 90V DC @ full RPMs with no load. Got torque and compensation set @ may be 1/4 turn CW. Since I used this very controller for a DC upgrade of my 9x20 about a year ago, I am rather familiar with this controller.
Bottom line - the mill is now much more capable than it was with stock controller. It used to fault a lot when trying to drill with 1/2" drill bit - not any more ! .
To test, I drilled through some 6061 Al (real gummy variety) - had no problems drilling right through about 1" thickness with 3/4 drill bit !
Feeling real good, I went straight for 1" drill - ditto !
The spindle can not be stopped in Lo gear even at low RPMs - I did the leather work glove thing.
If any1's interested, surpluscenter and ebay both have the Minarik 23001C controller. I got mine under $60 shipped from an ebay seller.
more below:
http://cnczone.com/forums/showthread.php?t=58717
I kept the controller @ 120VAC (even though I can go 240V) as for now I am keeping the stock motor. The swap out took may be 20 mins . Didn't drill any new holes - reused the stock 3mm holes.
I added a heat sink - from Pentium 2 I had laying around. It has a built-in fan but I didn't power it up for now.
The "inhibit" aka "emergency stop" switch on stock X3 is configured for NC. I opened the cover and rewired it for NO (the switch can work either way, no need to replace it).
Adjusted the voltage to where motor gets 90V DC @ full RPMs with no load. Got torque and compensation set @ may be 1/4 turn CW. Since I used this very controller for a DC upgrade of my 9x20 about a year ago, I am rather familiar with this controller.
Bottom line - the mill is now much more capable than it was with stock controller. It used to fault a lot when trying to drill with 1/2" drill bit - not any more ! .
To test, I drilled through some 6061 Al (real gummy variety) - had no problems drilling right through about 1" thickness with 3/4 drill bit !
Feeling real good, I went straight for 1" drill - ditto !
The spindle can not be stopped in Lo gear even at low RPMs - I did the leather work glove thing.
If any1's interested, surpluscenter and ebay both have the Minarik 23001C controller. I got mine under $60 shipped from an ebay seller.
more below:
http://cnczone.com/forums/showthread.php?t=58717