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Hello all,
I have a Hardinge AHC lathe that has been retrofitted for the Accu-Slide CNC system. Recently I have determined that it needs a new belt for the spindle drive. I will replace the lower...

Hello all,

I have a VMC20 that gives an alarm and shuts down while doing helical interpolation (cutting threads). This problem is intermittent, but it happens often enough to be a PITA. When it...

Hello all,

I have an Accuslide on a Hardinge lathe with a Fagor 8025 control. How do I adjust backlash on the X? I am having difficulty understanding the procedure outlined in the manual.
...

Hello all,

Can someone please advise me the procedure to install the X ballscrew in a VMC 20? I replaced the thrust bearings the other day in an attempt to get rid of noisy travel....it didn't...

You guys are the greatest!!!
It was relay K-9 (the dirty dog!).
Thanks again!

gamila
:rainfro:

Have tried that, the machine alarms and has to be restarted. I am not using a Tapmatic Head, am using a tension - compression holder.

It is not rigid tap.
Gary

Hello all,

My Fadal VMC-20 goes into alarm when tapping. Forward is ok, when it tries to reverse the spindle, it alarms. I tried swapping relay K4 with K3 and checked fuse F3. Any help would be...

It was the power supply. Got a new one from CNC Pros and was back in business the next day.

little bubba,
If I push the cnc start button, there is a 12V surge at the +12V line on the power supply board and less than 1V at the +5V line. I believe that this means the power supply is bad. My...

little bubba,
The outputs are 5V, 12V & -12V. All are dead, but there is 110V on the board at the 110V fuse. Would it be possible to wire in a pc power supply???

little bubba,

Checked the incoming power, and have tried restarting numerous times.

I am not sure if my machine has a pc power supply (1991). If it does, where is it located? In the main...

Delw,

Sometimes the easiest things are overlooked, so I take no offense at any suggestion!
When the main power is on, the fans power up and the operator light comes on. If I hit the green...

Delw

I have restarted the machine many times with the same result. Have checked all the fuses that I can see. Am thinking that maybe there is a bad relay somewhere, but don't know which one to...

Hello all,

I have a VMC20. During a program, the machine spindle stopped and the crt went black. All of the fans will run, the operator light comes on, but no lights on any of the boards in the...

Hello Gitman,

No C axis fault. The spindle won't move on it's own at all. I get the overload fault and then an emergency stop fault.

Gamila

Hello,

The spindle on my VMC20 won't start. It stopped in the middle of a program today, and won't restart. I shut everything down and restarted. In MDI it will change from hi to low, but when I...

Neal,
I swapped K33 with K5 and it still does the same thing.

Gary

Hello all,

On a VMC20, the atc will not move forward to the spindle. I removed the top cover and observed that the slide motor will only rotate clockwise, as in retracting the slide. When I try a...

Neal,

I swapped K11 and K12 relay boards and it is working fine. There must have been crud or something on them.
Thank you!!

gamila

Hello All,

I have a 1993 Fadal VMC20. The tool carousel will not rotate CCW either manually or by command. This problem just started yesterday, have had no problem with this before. I would...