I have this kit [USA STOCK4Axis Nema34 Stepper Motor 9.3Nm 1600oz-in+Driver 85BYGH450C-012B CNC | eBay
and 16 mm Ball Screw assembly 1000mm long and with 4 ball circuit | eBay
I use MACH3 on Windows 7
I set the driver to 1600 PULSE /REV
I set in motor tuning:
step per: 1600
velocity: 1000 (for start)
accelrtation: 100 (for start)
step pulse: 0
dir pulse: 0
Then I used the axis calibration (set steps per unit)
Now for the problem I have
after axis calibration
In MDI (any axis X, Y, Z)
I am writing
G00Y1.25
Then the axis moves right to 1.25MM
Then I press GOTO Z and it is 0.00MM
Now again in MDI
I am writing
GOOY-1.25
Then the axis moved 1.30 / 1.27 MM
Then again GOTO Z
And it returns to 0.00MM
So there is no BACKLASH
I can not set calibration
Another thing I tried was plans at SOLIDWORKS and VECTRIC
(Just 90MM square on 70MM)
And the size Not going out right
Can anyone shed light on the situation?
*** I also tried to change a board but it did not solve
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