Hi friends
I have two fadal 4020 and many problems
All of arcs very jerky and i think bad finish
And angles have stair step finish
On manual of fadal wirten this problem for motor
AXIS AMPLIFIER
COMPENSATION
SETTING
And
CHECK SIN/COS
SIGNALS USING
SERVICE TOOL ST48.
ADJUST IF VARIANCE
> 0.001V

But how adjust sin/cos output from clock card?!!
I checked all 3 axis resolver and tach and very clean
I check all 3 amplifiers and balance and signal gain adjusted
I check comp and cl complete cw( not multi turn pot)
Checked 5vdc & 12v is good
Checked big blue capacitor and 125vdc output for motor drives
Adjusted master clock feedrate with r6 pot
What is the way clock card sin/cos output setting?!!!
All 3 cuopling is ok and ballscrew rebuild
Gib belts is ok
But when interpolating x&y axis bad moving axis and
I think not sync
??

Please helps
Thx: