PL1220 Owner’s Manual
64
9.0 Cutting Strategies
Figure 9-1: Focal Spacing
1. Work Piece 2. Focused Laser Beam 3. Cut/Etch Path
The focal spacing heavily depends on the workpiece and the single pass limit or maximum cut
depth of that workpiece. It is recommended that you experiment with focal spacing prior to
running a work file.
When using the lift bed, raise the bed until the workpiece encounters the focal length sensor. The
focal spacing can be adjusted for repeated accuracy.
When using the PL1220 off the lift-bed – for engraving a
tabletop or materials that does not fit in the laser – a spacing
block can be made to quickly adjust the focal spacing. Use ¼
inch acrylic or wood to cut out a piece similar to Figure 11-2.
Be sure to engrave the focal spacing on the surface for future
reference.
Figure 9-2: Spacing Block Example
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