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I'm going to give this a try. The procedure is also mentioned here by tc429:
http://www.cnc-arena.com/en/forum/circular-interpolation-fanuc-6m-not-round--222446.html

I've had a lot of trouble finding manuals for any of Fanuc's stuff. The axis doesn't seem to be wandering, it's like it's scaled wrong because the error grows over distance.

The x axis servo is mounted directly to the ballscrew. They're DC servos.

Hi, my shop got a 1984 Makino FNC 40 A16, and I've done a bit of work on it to get it operational again. One of the repairs I made was replacing the X axis servo amplifier and I think that's probably...

It seems that it was caused by relays failing to contact.

Didn't work : (

Okay, I'll do that right now. Thanks, I'll let you know how it goes.

After having been producing parts daily with no issues, after having been sitting powered down for less than a week my SL1 wont fully power up. It did initially, but X wouldnt zero return. Now I cant...

I figured because I couldn't find a solution to my particular issue through searching that I would post here for future reference.

Our aged SL-1 with the Yasnac 2000b control was failing to start,...

Our SL-1 had a similar problem when we bought it. I took a closer look at the motor and it had who knows how many years of oil buildup from coolant overflows. We pulled the motor, disassembled it and...

That can sometimes be caused by the geometry of the solid model. Weird things can also happen with gouge protection turned on. Can you post some screens of your process settings?

The Fidia control is pretty nice, when it's working. The problem is with technical support; there's one Fidia rep in the United States, their support can be slow and expensive. My business partner is...

Thank you :)
I'm a bit weary about calling up a service tech because this machine has been refitted with a Fidia control plus the accompanying electronics/drives.

Not quite, I didn't have the time to get through to Haas today. My resistors were labeled 10 ohm, but I'm not sure what power wattage rating I need.

More research leads me to believe that they are Waved Ribbon Wire Wound Resistors:
http://mf-powerresistor.com/non_flam_rpw.htm

The electronics people at Reddit suggest that they are used to take...

Here they are:

http://i.imgur.com/ybmVq36.jpg


My business just purchased a 1992 Haas VF-2. It was having intermittent power issues so in the process of tidying up the electronics cabinet I...