Currently at work we have a 20 watt fiber laser from Beamer Technologies that we have had for years. We mostly just used it to mark plastic but we recently started playing around with it to engrave texture on to our steel and aluminum injection molds. This could save us thousands and thousands every year.

The problem here is the Beamer has a fairly small enclosure and no real way to bring our heavy molds (300 lbs) to it. In addition to this obvious issue it seems like we have to run about 5 passes at our highest setting to get the proper depth for our texture.

This obviously brings me to looking at a new machine.

I am currently torn between these two machines. The real difference being the laser power source.

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https://www.cloudraylaser.com/collections/laser-marking-machine/products/us-stock-cloudray-30w-50w-raycus-laser-engraver-litemarker-fiber-laser-marking-machine-with-d80-rotary?variant=42099697615009

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https://www.cloudraylaser.com/collections/laser-marking-machine/products/in-stock-usa-warehouse-cloudray-50w-jpt-lp-laser-engraver-litemarker-fiber-laser-marking-machine?variant=41842887032993

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Our highest priority here is engraving in steel and aluminum.

At first blush it seemed like the JPT was better based on recommendations I have read online and a youtube video I watched (makes me an expert right) but after doing a bit more digging I started to look at the pulse duration which as I understand it is "better" if its less. The JPT has a pulse duration of 200ns and the Raycus (which is cheaper) has a duration of 90-130ns.

To me that makes it seem like the Raycus makes more sense but I have also heard that the JPT is a "better" power so so now I'm confused.

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Any thoughts? Or other suggestions in this $5-8k range?