Performing Z-axis Calibration on the Sonic Mini 4K•
Posted on March 09 2021
Z-axis calibration is essential for every 3D printer. Run this test to make sure that the build platform is leveled to the LCD screen. This is to ensure that models and prints will adhere to the build platform.
We will guide you through the steps of calibrating your Sonic Mini 4K LCD 3D printer by using a piece of A4 paper:
Step 1: Settings
On the touch panel, click TOOLS, then click Z CALIB on your touch panel to begin the calibration process.
Before clicking NEXT, please complete steps 2 - 4.
Step 2: Remove the Resin Vat
Remove the resin vat and make sure to remove any objects present on the machine's platform.
Step 3: Install the Build Platform
Attach the build platform knob to the printer and align it with the pins. Screw and tighten the build platform.
*Note: Please ensure that the build platform does not shift during tightening.
Step 4: Loosen the Screws
Use the Allen wrench included in the toolbox to loosen all 4 screws on the sides of the build platform in a counterclockwise direction. After loosening it, double-check to see if the plate is loose and movable.
Step 5: Pull the Build Platform down
Pull the build platform in a downward motion until the screws on the build platform have been pulled down completely.
Step 6: Place a piece of paper on the LCD
Prepare a piece of A4 paper (roughly 0.07-0.10 mm) and lay it flat on the LCD screen. This piece of paper will be used for leveling the build platform. Click NEXT and wait for 1-2 minutes as the build platform extends to the LCD screen.
Step 7: Apply pressure on the Build Platform
Once the build platform has touched down, apply pressure and press down firmly on the sides of the build platform. Pull on the piece of paper to make sure the build platform is laying tight against it.
Step 8: Tighten the Screws in a Cross Pattern Order
Once you have successfully adjusted the build platform, tighten all four screws on the sides of the build platform in a clockwise direction while pressing down on the build platform with the other hand, in a cross pattern order, e.g., top-right, lower-left, top-left, and lower-right.
Step 9: Double-Check Z-axis Calibration
Tug on all four corners of the A4 paper to check for pressure intensity. If it is tight, please proceed onto the next step. If it isn’t, please perform the Z-axis calibration test again.
After several tries, if the paper is still loose, please perform the Z-axis Calibration test directly on the resin vat. The FEP thickness is approximately 0.14-0.15 mm.
Step 10: DONE
Click DONE on the touch panel and wait for the build platform to retract.
Once the plate has retracted, remove the A4 paper.
You are now ready to begin your 3D printing journey! Click here for a tutorial on printing out Phrozen's test file.
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