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Recent content by U2tree

  1. U2tree

    Forming and possible Delamination on the INSIDE??

    this is 11 ga pickled and oiled sheet anyone ever see this happen or know what might cause it??
  2. U2tree

    904 Stainless... Can you Cut with a Laser successfully?

    Really need to know about 904, not 409. Glad to know 409 is easy, I'll remember that...
  3. U2tree

    904 Stainless... Can you Cut with a Laser successfully?

    That pretty much covers my concerns... Have available a 6k CO2 Laser. It's thin, maybe 3/16" thick. I've read "High Purity" and that seems good to me when Laser cutting. Also read high Nickel, not sure if that's a good thing or not. Anyone have any experience?
  4. U2tree

    Laser cutting SA 387 Grade 5 Chrome Moly Plate

    Anyone ever put 387 on a laser and try to cut it? looking to cut 3/8" thick. Below is what I found for Chemicals: Gr. 5 C 0.10  Mn 0.30-0.60  P 0.025  S 0.025  Si 0.5 Cr 2.75-3.25 Mo 0.90-1.10 V  - any info would be great. Thanks
  5. U2tree

    Bystronic Output Coupler Sensor

    Here's what one of my Maint. guys had written in his notebook from the beginning of the problems: Symptoms Fault: Excitation module error path 4 Finding: water in the vacuum area of the laser Caused by 2 possible locations, Resonator plate and the heat exchanger Vacuum pump full of water
  6. U2tree

    Bystronic Output Coupler Sensor

    After the 24 hour burn, we cleaned the optics, Not much of anything on the cleaning plugs. Put it back together and it seems in good shape. Didn't replace any optics, just cleaned them and hope... Longer burn might be the key...
  7. U2tree

    Laser Slat Contamination

    We've also made a few grates from SS that are about a half inch taller than the stock ones. Assuming you cut your own grates, make the SS ones taller, and only replace every third one. Should still give you enough stability with less points of contact, and less grates to change. Also I made...
  8. U2tree

    Bystronic Output Coupler Sensor

    Krug... We've spoke before, you've given me some Repair tips for both my 5.2k and 6k Bystars. This is a new situation, we didn't talk about the leak in the heat exchanger before, so it sounds like this might be a recurring theme on 6k's. We're at about 7000 hours of beam on time, Resonator...
  9. U2tree

    Bystronic Output Coupler Sensor

    Thanks Again for the info, all sounds realistic to do and shouldn't kill us right now. yes it was the Aluminum Plate between the upper and lower resonator.... I wouldn't recommend paying for that service call out of your personal checkbook. I'm going to meet with my techs today and feed them...
  10. U2tree

    Bystronic Output Coupler Sensor

    Thanks for the info. We have a 5.2 k with Glass Tubes, and the 6k is an RF resonator. I don't cut hardly any alu, and it's all under 3/8" thick. Water jet is our option for that material because it's available. Also we don't do over 3/4" SS, again WJ is available and acceptable. This is...
  11. U2tree

    Bystronic Output Coupler Sensor

    We have a pair of Bystronic ByStars, circa 2006ish. Having some issue with the optics going bad in the resonator, turns out we have some debris in there and need to purge it pretty well. One of the techs we spoke to suggested a sensor on the output/end mirror coupler. I'm all for sensors...
  12. U2tree

    Thick Stainless parts and getting them out of the skeleton

    we used it in the past rarely, most of the operators didn't like the option, but with this option it might be a better idea. for most of the programming we use Pro-Nest, which was MTC, and now Hypertherm I think. I know i can do it in Bysoft, but we don't do much programming in bysoft...
  13. U2tree

    Thick Stainless parts and getting them out of the skeleton

    Anyone have any good suggestions? We've used dead blow Hammers in the past to knock out the less than perfect parts. The ones with a little slag or dross on the bottom, usually 5/8" and up stainless has this issue. believe it or not we had a guy hurt his hand using a hammer, the hand he was...
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