Test Cuts: Materials & Settings

I have been doing some test cuts. Part of the way through, I realized that when I hit “start” on the laser, the power and speed flash and change back to some values set in Lightburn.

This meant I had to go back through and correct my test notes; and it also seems problematic from a testing perspective. What is the best way to ensure that the laser can override these file settings?

Mil-spec, Berry Compliant 500D Nylon fabric.

Power: 20%
Speed: 100mm/s

Video upload is not authorized but I recorded it. Edges were clean. No flames.

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8-Ply Tegris.

Power: 20%
Speed: 100mm/s

Video upload is not authorized but I recorded it. Edges were nearly perfect: probably a little more power or less speed would have resulted in perfect edges. No flames.

Mil-spec, Berry Compliant Nylon Elastic Webbing

Power: 50%
Speed: 25mm/s

Edges were clean. No flames.

Mil-spec, Berry Compliant 3mm Spacer Mesh

Power: 20%
Speed: 100mm/s

Video upload is not authorized but I recorded it. Edges were clean. No flames.

During a second cut, the edges were not completely cut in parts; it may be that a modest power increase is needed for reliability.

Numerous individual posts were consolidated into this one.

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Mil-spec, Berry Compliant Velcro Hook 50mm tape.

Power: 50%
Speed: 100mm/s

Edges were clean. No flames.

Mil-spec, Berry Compliant Velcro Loop 50mm tape.

Power: 50%
Speed: 100mm/s

Edges were clean. No flames. Note that the loop was cut from the back side.

You can always post videos to YouTube, set them private and share the link.

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Tweave 520E Durastretch fabric.

Power: 20%
Speed: 100mm/s

Edges were clean. No flames. The edges resist fraying but it doesn’t form the melted, annealed edges that nylon webbings or Cordura form.

Tweave Durastretch fabric in a lighter weight.

Power: 20%
Speed: 100mm/s

Edges were clean. No flames. The edges resist fraying but it doesn’t form the melted, annealed edges that nylon webbings or Cordura form. This is Tweave in a lighter weight than 520E; I believe it is marketed as 544P.

This is a lot of good information. Thanks for doing the tests. I took the liberty of consolidating your information into a summary table:

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