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Laser engraving on different metal surfaces

Laser engraving on different metal surfaces

Endurance has finished a few experiments doing laser engraving on various metallic surfaces (we used an 8.5W+ laser installed on a DIY engraving machine). The conclusion is the best focal range for the G2 short focal lens is 6 mm (1/4’’). To get the optimal focus you need to follow a simple rule: in red or green goggles the size of a spot should be minimum and the light intensity is maximum.

Today we have finished a few experiments doing laser engraving on various metallic surfaces. We used an 8.5W+ laser installed on a DIY engraving machine.

First of all we wanted to define the best focal range for our short focal lens G2.
We made a few experiments cutting 5 mm wood with a single pass.
At the speed of 100, we cut 5 mm wood with a single pass with minimum charring.

So, the best focal range for the G2 short focal lens is 6 mm (1/4’’).
To get the optimal focus you need to follow a simple rule: in red or green goggles the size of a spot should be minimum and the light intensity is maximum.

Experiment 1 (plain matte steel)

The best result was achieved using speed 15-25. It takes about 3-5 minutes to make Endurance logo engraving. It takes only one pass of the laser.
Laser engraving on different metal surfaces

Experiment 2 (Anodized aluminum with matte and with shiny surface)

The best result was achieved using speed 500-100. It takes about 20-30 seconds minutes to make Endurance logo engraving. It takes only one pass of the laser.
Laser engraving on different metal surfaces Laser engraving on different metal surfaces
Laser engraving on different metal surfaces Laser engraving on different metal surfaces

Experiment 3 (Aluminum composite alloy similar to duraluminum)

The best result was achieved using speed 100. It takes about 2 minutes minutes to make Endurance logo engraving. It takes only one pass of the laser.
Laser engraving on different metal surfaces

Experiment 4 (Hard grade steel)

The best result was achieved using speed 50-100. It takes about 20-30 seconds to make markings. It takes only one pass of the laser.
Laser engraving on different metal surfaces
Laser engraving on different metal surfaces

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Laser engraving on different metal surfaces
Laser engraving on different metal surfaces

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