Cutting With Laser Light
Laser light may be used to cut and score a wide variety of materials. With a
laser cutting machine like this, paper and plastic can easily be scored and
cut very precisely. Even plywood up to 1/4" thick can be cut on this small
machine. Larger industrial machines can cut metal as well. Typically the
plotting rate and power of the laser are modulated to select various levels of
scoring and cutting.
Scoring and multiple cutting layers are indicated by labeling the layers 1S,
2C and 3C in the input DXF file. The lines to be scored are given by the layer
labeled 1S. All scoring is done before cutting is started. The width of the
cuts and scores is approximately 0.009" on this machine.
Any number of cutting layers are given by layers 2C, 3C, etc. These are cut in
numerical order. Multiple cut passes are needed for parts that have holes in
them. First the holes are cut, then the shape of the piece is cut. This avoids
problems that may occur due to parts shifting after being cut. A sample DXF
file is given here for your perusal.
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Some content on this page excerpted from the article:
The Laser Cutting Machine
By: Paul Haeberli,