How to Laser Engrave Tumblers Like a Pro (Without the Guesswork)

Machine Preparation:

• Ensure proper safety equipment (laser safety glasses).
• Power on the laser engraver.
• Adjust laser head distance (typically 3mm from object surface).
• Enable and set air assist for clean engraving.

Rotary Setup:

• Attach rotary tool securely to machine’s Y-axis.
• Set rotary tool circumference (commonly 160mm per rotation).
• Angle tumbler slightly (~2.8°) or use the Tumbler Trick(tm) Level.

Software Setup (e.g., LightBurn):

• Enable rotary mode.
• Set tumbler circumference accurately.
• Rotate the design with the top oriented toward the tumbler’s opening.
• Set engraving speed (e.g., 9000 mm/min) and power (e.g., 50-70%).
• Select number of engraving passes (typically 2).
• Choose “Current Position” as the starting point.
• Specify job origin clearly (e.g., middle right for partial designs, bottom right for full wraps).
• Preview and confirm total engraving time.
• Export and load G-Code to the machine (via SD card/USB).

Final Checks & Engraving:

• Use framing function to verify placement.
• Adjust tumbler positioning if necessary.
• Begin engraving.

Tips:

• Test designs on masking tape or a sacrificial tumbler to preview results.
• Confirm orientation and rotation settings before starting to avoid mirrored or inverted designs.

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