How To Achieve A Perfect Cut Condition On Carbon Steel, Stainless Steel, and Aluminum | Fiber Laser
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- Опубликовано: 7 авг 2024
- In this video, we summarize every tip and trick you need to achieve a perfect cut condition on a CBX fiber laser. You'll see us start off by cutting three different thicknesses of carbon steel with oxygen and then switching to nitrogen to cut through both stainless steel and aluminum. Along the way, we highlight the best practices when working with this laser and including the process of making adjustments and testing when creating a cut condition from scratch.
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CHAPTERS:
0:00 Intro to achieving a perfect cut condition on a CBX fiber laser
0:32 Importance of a double nozzle when cutting carbon steel
1:04 Trust your known cut condition setting
1:34 The initial pierce determines the quality of the cut
1:50 Cutting 1/8 inch mild steel
2:42 The correlation between speed and gas pressure
3:04 Cutting 1/4 mild plate steel
4:43 Example of a part with too much gas pressure
5:12 The thicker the layer, the more important gas pressure is
5:42 Nozzle touch tip
6:10 Cutting 3/8 inch hot roll steel
6:46 Stainless steel cut setup
7:20 Rule of thumb for stainless steel - single nozzle and nitrogen
7:38 Making the stainless steel cut condition from scratch
10:45 Setting cut conditions for aluminum
13:39 Laser cutting aluminum parts 
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Just what I was looking for. Great stuff!
Laguna Dave rocks! He knows his stuff. Great video!
Dave Thanks your videos are very informative, being very new to laser cutting it a great help the way you approach the outcome of the cut, make adjustments, thanks i be watching.
Excellent video, thanks Dave!
Thanks, great video. It's sad that my boss doesn't give me time to play with the settings like that. We got BM109 and BM111 with portals 1500x3000 mm.
I'm looking for it todo angle cuts, where i don't have to wels anything
I operate a 20kw laser, coming from a 4kw machine and the problems we all face still exist. But the extra power as long as everything else is on point, beam center is not as important as long as tolerance is not nats butt. Even when beam center is off it just blows through the nozzle and keeps on keeping on. Not cool but it is what is.
Hi Laguna how are you and m from India but currently m doing job in Kuwait as a laser cutting operator and I want to come in USA so if you have any opportunity for me so please reply me
With 3psi, contamination does not build up on the protective lens??
Is this the 1.5 or 3kw machine?
Hi @Laguna Tools first of all congratulations for the video, excellent learning material. I would like to know what configuration on the panel is used for cutting .375 carbon steel?
Hi Thiago! Glad you're enjoying it. Oxygen and double nozzle are used to cut .375 carbon steel.
anyone know of a good tutorial on how to use pierce in cybcut?
I want to learn more, because im looking to go into business myself and this would help.
Question, why haven't they hooked this up to an robotics ?????
Hi! Please visit the following page and fill out the customer service form: lagunatools.com/resources/customer-service/
Our team will help with any questions you have!
What is the best material to use for the spikes for CNC bed ...i have tried Steal, Brass etc. ,the tip gets damaged(because of laser) and causes unevenness in the cutting for high precision work. Any suggestion?? (PS. I use 2000W laser to cut Plywood, Acrylic etc.)
The Fiber laser has an optical sensing head that wouldn't matter the difference in the height of the laser slats. These lasers will not cut Acrylic, Wood etc. So the CO2 laser in question would either need a height sensor or replaced slats as needed.
Sir why we use double nozzle in oxygen cutting,, please explain briefly
Almost all manufacturing standards recommend using a double nozzle while cutting with oxygen because it is an accelerant, and it is using a fraction of the assist gas when cutting.
The biggest complaints i recieved from customers was why can't I just install and go. Dosent matter the machine. Remember if your paying less for a machine there is going to be more know how necessary on your end.
How much kw of your laser, tell me reason why my all lenses of machine damaged,, what are the reason,,, I do cutting with sircompressor
Most likely this has to do with your air compressor. You blew up your optics because your air compressor is not clean dry air. It is of the upmost importance that your assist gas is as pure as it can be.
What's reason behind laser power source failure,, common reason
Usually there is not a power failure on the Fiber Laser. CO2 is a culmination of using maximum power and or maximum capacity of the wattage for a long period of time along with the negligence of proper maintenance and alignment of optics.
My Laser Nozzel hit something, But I have no errors after reset, How Can i check the cutting head for damage ?
Hey there. If everything appears to look good and no alarms have gone off, try doing a beam alignment. You can follow this video here: ruclips.net/video/Wo9yUaCxZh4/видео.html
@@LagunaTools okay Thank you
Is this machine 1000w or 2000watts? Thank you
Hey Christian,
Our Laguna CBX Fiber Laser power starts at 1KW and goes up to 2KW!
@@LagunaTools But in particular the machine that you show In the video What power It is?
1000watts? Or 2000?
Thank you.
the power used for this video is specifically 1.5KW.
What is the Kw rating of this laser?
Hey Jeremy, the SmartShop® Laser | CBX has a laser power starting at 1KW and goes up to 3KW.
@@LagunaTools sure thing, but what was the laser in the video rated for? What is a max thickness for 1, 2 or 3 Kw, in carbon steel?
Jeremy I have the 1.5kw and can cleanly cut .375" let me know if you want to buy our machine with a full list of parameters for multiple materials
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Piercing Suck.. The way you do for piercing will damage the protective lens so fast. however the cut look good.
Thats just how it is
Service guy speaking. The big ugly truth is you can't control your material input conditions into the laser especially if non us. Foreign metals vary wildly in quality and personality during mfg processes.
Good cuts. But the piercings for me are not Good.
Hey Boniface,
This video shows both correct and incorrect forms of piercing to educate how to adjust specs to reach an optimal pierce. Dave verbally covers that on some cuts that aren't up to standard. Thanks!
It's funny watching the pierce parameters on this video. The lead in is way too slow. If the settings are set correctly you should not be getting those massive globs of molten metal on top. Those globs will cause the laser head to lift up when the ohmic sensor dedects them and will have a huge imact on cut quality at the lead in or lead out. For 3/16" the lead in should be around 1 second tops.
Hey John,
Sorry for the confusion. Throughout the video Dave is giving both good and bad examples of cuts. He advises adjusting your specs when cuts aren't clean, most of the time being your gas pressure. At 4:43 he shows a metal piece that wasn't cut correctly and recommended adjustment, this is one of the passes where some metal globs were created but were addressed.
You are correct though! The cut condition is only going to be as good as the piercing, and it's important the operator knows how to adjust it when needed.
@@LagunaTools I was speaking more about the actual pierce section around 3:36. This pierce timing and power is clearly well off. You can tell because the head begins to descend to the material before it's made a full pierce hence why at 3:33 you will see what appears to be a volcano of sparks flying up. This is a result of not making a full pierce, and then pausing which pre heats the metal and then it begins doing its slow descent and lead in and starts shooting slag everywhere. It is an issue because that can cause backsplash relatively prematurely which will contaminate your secondary lens and require replacing... Fortunately they are relatively cheap $5 or so a piece, but it's avoidable.
This issue that I was talking about initially becomes very apparent at around 4:07 where the ohmic sensor causes the head to start bouncing up and down.
Also, stating that striations are 100% attributed to gas pressure is kind of misleading. Striations like this are a function of primarily too little power or too fast of a travel rate. The gas pressure is important yes but it's really only there to help heat up the cutting point and assist in sublimating the material. Too much will cause the backside to fuse back on it self and cause dross yes but running the settings under powered or having the travel speed too fast would be a bigger contributing factor (hence why the striations appear angled like the bottom of the cut path cant keep up with the leading side or top of the cut path).
Also... it's not recommended to cut hotrolled steel with the Raycus laser source... IPG maybe but cutting a lot of hot roll with a Raycus head is not recommended by the manufacturers of these machines.
Not sure if he talked about it but almost more important than any of this when setting up the paramaters is to ensure you pick the right nozzle. For1/4" you want to use around a 1.2" or 1.5" nozzle.
@johnhutchinson605 know of a good tutorial for using pierce? just got a new laser and that is the one thing i cant figure out.... Seems like you know what you're doing by reading your comment
@@michaelferraro340yes I know where to go , go to Ramsey fabrication he has tutorial and u can buy the cross and adjust it
Laguna has HORRIBLE CUSTOMER SERVICE, DO NOT BUY! They blame the customers for everything and do not take any responsibilty. Not worth the headache!
Hi Mario,
We are sorry you feel this way and would like to help. Please contact us directly at marketing_department@lagunatools.com to see how we can turn this into a positive situation.