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CrossFire ® General Discussion
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I have had my XR Table for around 2 1/2 years and absolutely love it. It is actually my 3rd from Langmuir as I started with the original Crossfire. Anyhow, I recently decided to convert and dual purpose my XR platform to support a Fiber Laser cutter as to cut thinner material than plasma cutters can generally cut and tighter tolerances.

In the process, I connect 24v supply to a 5v input and fried my XR control board. It was 100% my mess up. I will always need the ability to utilize the Fire Control" software, which is awesome by the way, for plasma needs. I contacted Jake at Langmuir on a Thursday afternoon, placed the order to be picked up the next morning because it is only a little over an hour drive for me. When I got there, I was told that the shipment of replacement board were not for what ever reason were not flashing correctly and was asked if I could come back or have one mailed when corrected. Due to the drive I had just made, Stephanie and Jake both went though leaps and bounds to locate one within the shop. They were successful and making it happen. You will not find better Customer Service than I experienced that day and it is not the first time Langmuir has helped me in a desperate time. Thank you! Ya’ll are the BEST!

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That’s good to hear.

BTW, did you see our laser swap conversion?

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No sir! Just watched your video and it is awesome! I purchased the 1500w MAX and all the extras from Skyfire myself a couple months back. I will send you pics of where i am at.

Thank you for sharing,

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did you get a gun or a head?

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Raytools 3000w autofocusing

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I look forward to your work. Good luck!

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I was sick last night and couldn’t sleep so I watched your video. Good job, what a fun tool! I am one of many who is living vicariously though you and your tools! And going back and watching you on stupid human tricks is always worth a laugh!

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I will hopefully be done soon. I wanted to convert in stages, i.e. make sure Fire Control worked first with the motors/drivers ruling any issues out there. This way I wasn’t so far along I couldn’t back up and regroup. I have added the additional cabinet for the new controller platform and successfully operated the 2dCuthead software. I have one small job cutting out some BBQ pit hinges for someone I told them I would do before I tore in to the Z axis part of the conversion. I will be using o2 as my main cut gas. Thank you sir.

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Did you purchase the BM110? When we purchased our 4-1 SkyFire laser system we added a BM110. We couldn’t decide which way to go (handheld welder/cutter or just a auto-height cutter). I’m very interested in your project.

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I see on the 1/4" some spring back that i am sure affected your cut height. or are lasers not that fussy on cut height?

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They are fussy…especially high powered lasers. I mean…yea. You get 110v or 220v input but it is broken down somehow, doodads and other stuff…

AC/DC conversion and then DC/DC conversion and then there are small components that handle other aspects to a build, e.g. CMOS technology, buffers, inverted buffers, transistors and so on.

Off course as usual here…

So, yea. Honorable lasers with specified power(s) do call for a specific height from my experience. So, even with gas laser (CO2), I was thinking that a 20mm block would focus the Z-Gantry at the right height along XY and that is if XY is completely square.

I watched the video too. It is freaking awesome and testing the honorable physics in any equation. So, what does this laser build call for height? Watch the entire video…

They cut through ceramic and metal and plate underneath… Ha. That was the point where I said, “YEA BOY!”

Anyway, I use a CO2 and not even on the same wavelength as their marketed lasers. I went to their site. Nice prices for the experience. As soon as the ceramic was cut or broken via pressure, I would have sintered and sprayed some other material that others say is not able to be pressured into dysfunction.

Seth

P.S. Anyway, SkyFire rules on many levels from what I witnessed in the video. Some people make and do their shtick slowly and build up. @holla2040 handles something quickly that deserves credit. It was like I was there watching live… When it cut 1/4", ceramic, and sintered the metal underneath the ceramic, I thought I was going to lose it.

So, what did I do? I researched SkyFire more and looked at their reasonable prices and website listings for specifics. So, there is a lot I do not understand as of today that if warranted, I could research the subjects and learn finally but…

  1. Is that a diode and gas and glass/sand?
  2. Is that laser just burning sand sintering the mediums?

Okay and done. Off to research more!

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These guys/gals say that this specific machine attachment, laser cutter, should be anywhere from 0.4 to 10mm but that 1mm is recommended.

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When your laser arrived, did skyfire ship the head already coupled to the fiber bundle?

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It all shipped together, but the fiber source is already connected to the fiber cable, the head and control driver by itself, the cnc control board, controller and all cable in another, along with the chiller crated itself. The fiber cable is plug and play to the head, no splicing in required.

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OK, thanks. We mentioned to Skyfire about the possibly of us switching our gun for our head. They did not recommend that for us being untrained. After using the laser, along with its power, I don’t even want to fool with this. Any amount of dust could spell trouble.

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Yes sir! Understand that for sure.

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Couple things, did watch all of Travis Mitchell’s DIY laser videos?

Also, we’ve found very little difference in cut quality using compressed air and nitrogen. We’re running our setup at 125PSI, straight out of our compressor. The dross is there and its quite a bit tougher than plasma dross. I spoke with our local metal yard, they’re running compressed air also but at 300 PSI. Their dross is non-existent. For our fab needs and volume, we can live with our 125 PSI cut quality and clean up.

We tried nitrogen up to 225PSI, with little change in dross. Our gun is rated to 250PSI I believe. We tried 250PSI but our laser’s internal electric-operated valve wouldn’t open at 250PSI.

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Great to know, I definitely was hoping for little to no dross. Does your head have different sized nozzles? I know that with the one I have there are numerous multiple sized nozzles for different material thicknesses and types. I also purchased the supply kit that includes all regulators, check valves and fittings for quick connect between compressed air/nitrogen and o2. There is also a high pressure electronic regulator for the o2 side of things. Keeping my fingers crossed.

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We haven’t worked with the head at all other than pull it out of the box.

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Understand