Units shipped after September 2016 have already been calibrated and will have no backlash.
If you received your unit before September 2016, then your unit may experience X-Axis backlash. Common symptoms include:
- Diagonal traces specifically have poor in-fill
- Changing direction in X-Axis causes features to be misaligned
- Pad location will not align with pad centers after repeated attempts
To apply backlash compensation on your unit, you will have to perform a quick calibration procedure, and provide the V-One with the correct compensation constant - just follow the instructions below.
Print the Backlash Calibration Pattern
The pattern we've supplied to diagnose backlash uses a Vernier scale to visually determine the amount of backlash in your unit.
Download the pattern here and print the .GTL file with your V-One.
Print the design without any modifications! It must be printed by the V-One exactly as intended.
The Vernier scale has two rows of vertical lines. To diagnose the backlash, do the following:
- Starting from the right, find the first pair of lines (top and bottom row) which are perfectly vertically aligned. Use the pair on the far left side as a reference - these will always be aligned.
- Multiply the number that labels that pair by 0.025. This is the amount of backlash, in millimeters. For example, the pair labeled 4 would give 4 x 0.025 = 0.1 mm of backlash.
- Open the gcode console (Alt+C), and enter M507 X### where ### is the number you calculated in step 2, in mm. For example: M507 X0.1
You have now calibrated your V-One for backlash! We recommend taking a picture of the calibration pattern for reference, in case you need to check in future.