Engraving Basics in Wood, Acrylic and 2 Color Rowmark sign material
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- Опубликовано: 18 июл 2021
- In this video I discuss the affects of speed power and air flow and how they if you just change air flow to your engravings how much it can change you look and reduce the contamination on your material. We cover birch plywood, cast and extruded acrylic and 2 color plastic sign material.
Wood results start at 2:55
Acrylic results start at 10:40
2 color Rowmark sign material 16:10
All engraving was done on a Nova 35-100 watt co2 laser
You will always want enough air flow to keep your focus lens cool. NEVER turn off your air flow compleatly! You will ruin your focus lens!
I purchased the digital gauge from smc pneumatics model number SMC ISE30A-01-N-L
www.smcpneumatics.com/New-Sea... 
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Just what I was looking for! Looking forward for the installation of a digital manometer.Thanks
Thanks Robert .. Great Teacher. I've learned so much from you and have actually started selling my work. Always look forward to you videos.
Nat
Congrats on selling your work, that’s great! I appreciate your comments and watching
This is a great educational video,you go through problems step by step,thankyou so much for sharing
Glad it was helpful! Thank you for,your comments
Very good demonstration. Very helpful demonstration and gives me more to think about.
Great to hear!
Very helpful Robert! Thanks very much for sharing. Cheers!
Glad it was helpful!
holy crap I was struggling to engrave 2 color material. lowering the air pressure per your suggestion fixed everything. thanks for sharing this.
Glad I could help!
I just ordered my Thunder nova 35 I can't wait to get it!!!
Congrats you will love It, well worth the wait!
@@computercreationz I'm sure I will have some questions for you as well. :)
Thank you for the hard work on this - Great
Thanks for your comment, I appreciate it!
nice vid, I just ordered a nova 24 cant wait to start testing out stuff with it
Enjoy it
Thank you so much for this video. This video really helped me understand exactly what I asked you last week.
Glad it helped, thank you for watching
@@computercreationz would love a video of how you can create a shiplap background using lightburn.
Great Teacher. Thanks
You are welcome!
don't forget, that moisture in the timber will give marking stains around the engraving, so the drier the wood the better.
most of us use ply so moisture is normally not an issue
Great video. Could you please make a short video on how you installed and connected the digital gauge? I couldn't find anything on Thunder's site that showed how to hook this up like you have it.
I would like to but because there are electrical connections that have to be made for this digital air gauge I won’t do it due to liability.
Here's a link to the process on Thunder Laser's site: support.thunderlaserusa.com/portal/en/kb/articles/quantifying-air-assist-pressures-26-2-2022#Introduction
Thank you Robert for another great lesson. I'm looking forward to working on my machine. Did you get the digital air pressure regulator from Thunder?
thanks again
Andy
it you goto www.thunderlaserusa.com then to thier knowledge base and search digital air pressure gauge it will give you all the links. thank for watching
Thanks again
Always welcome
Very helpful. Do you have a video that shows how you clean up an engraving when there is residue?
too much air flow is what generates allot of residue. make sure your using Minamal air flow when engraving. a quick sanding with 220 grit sand paper is the best. whipping it down with moistened rags or towns lifts the grain of the wood and makes it rough and then you have to sand anyway. skip the step of wiping and just sand.
Robert, just found this video and wanted to thank you for the great information. I would also like to know were you buy your dual color materal from. Thanks again.
thanks for the comments I use Jpplus.com allot for my 2 Color you can order in many different sizes
Is there a link to the installed manometer? Thanks for the video!
I put the link in the description of the video
Great video, where did you splice in to get power for the digital gauge?
wiring for the light on that side. on a Thunder it’s 24volts
Great video. Im struggling still with my 51/100 I have my power and speed close to yours with low as possible air pressure and it’s not clean and crisp. I also left the clear masking on should I take that off?
if you have clear masking are you engraving acrylic?? don’t use polycarbonate from big big stores or extruded acrylic for engraving . only use cast acrylic, remove the PAPER backing and very low air flow. thank for watching
Just came across this video, Curious about the digital pressure gauge. Do you have an installation video for this gauge? I'm assuming that you cut a hole in the machine next to the air assist, then just hooked up power and ground (12VDC?), then an air line to the gauge?
On thunderlaserusa.com these is info on it. I see someone on Etsy has designed a housing for this guage to be installed on a thunder without any new holes.
I'm sorry I'm a little confused. You mentioned air assistance was off but you are using air pressure. I'm 100% new at this so I'm guessing this is a silly question but I thought air assistance was air pressure? I was amazed by the differences you showed! So very helpful 👍
I can see why you would be. In lightburn you have a radio button that indicates air assist on or off in each layer . You turn that off in lightburn when engraving if you have a Thunder laser because it really means when you have the air assist off in lightburn is means low volume air flow to the thunder. You never want to go without any air flow or you will crack your focus lens. Thanks for watching.
Was all the engraving done with the small 2 mm cone? Thanks for another great video!
Yes all the engraving was done with the standard nose come
Have you ever tried inert gas? We have a 4Kwatt Amada laser for cutting metal that uses nitrogen and I was thinking an inert gas would not promote the charring. I was going to try it out to see what it does on MDF and birch ply.
no I haven’t tried that!
Could you provide a video or instructions on how to install the digital gauge? I'm a newbie and just ordered a Nova 35/100 arriving early November. I am just trying to get a jump on things before it gets here.
if you goto the thunderlaserusa.com website and click on support and search for digital pressure gauge everything you need will come up. thanks for watching and your comments!
Thank you very much for videos.So helping us.
My laser 40w and I would like to ask you Can I use same parameters like you on my laser or depand on laser W and can be different ?
thank you for watching and your comments. sadly my setting will be vastly different than your laser. I’ve had same laser wattage and brand be different. my suggestion is to pick a speed and don’t change it. play with your power up or down until you get your desired results. good luck and happy lasering
@@computercreationz Thanks your interest.I will try and see the results.
From İzmir, Türkiye
Hello! Where did you get the cover for your SMC gauge, and is that a Thunder logo on the sides? I couldn't tell since it looks blue and red, instead of blue and gold.
I cut it out of 1/8” acrylic and welded it together
this is great thank you... I seem to be getting alot of contaminates on my nozzle since I turned my air down cause I was getting to much blow out.. in your experience do you have any remedies for this? I have been youtubing and googling for the last 3 hours with no luck haha
It’s due from static most of the time. Wiper your laser nosel down with a dryer sheet that will reduce the buildup!
How do you set the focus for the Rowmark sheets? Great video as well!
I usually set focus 1-2mm above what normal focus
We already have a round gauge installed but husband would like to replace with the digital manometer. Can he remove the one gauge and just replace it with the digital? If so where would he purchase it?
I put the link in the description of the video
On the rowmark fo you use 4 inch lens? When usjng my 2.5 with no air, i get flames. Should i use a 4 inch lens?
the flames are from lack of air flow, when using acrylic add just enough air flow to extinguish the flame especially on and type of acrylic
Great video 🫡 do you have a video of the installation of the pressure gauge?
Thank You for your comment I don't have a video of the gauge installation. because it has electrical wiring its just too much liability.
@@computercreationz no worries and that’s fair enough. Thank you for such an informative video, it is very much appreciated.
It was great getting to meet you in person at LBX finally. Is there any way to clean the blue off with alcohol or other methods.
Thanks for coming it was a blast, the blue off of what?
@@computercreationz you answered me when I reached out to you. I as talking about getting the blue off the white carved area when there was too much air. Wishing you much continued success.
Thanks for posting this very good, educational video!
Would you mind sharing where you got this nifty digital low pressure gauge from?
A direct link to the product would be greatly appreciated by a few of us.
Thanks again!
RUclips won’t let me post a link here I got it at smc pneumatics.
@@computercreationz Thanks. Model number might suffice - e.g., is ISE20A a good choice? Posting model number will make it easy to find it on their page.
Is this one acceptable? www.smcusa.com/products/ISE20A-Digital-Pressure-Sensor-3-Screen-2-Output-with-Analog-IP40~161488
Thanks.
All right, this was likely quite expensive.
Here's my answer to the question - get an inexpensive 15 PSI pressure gauge and cobble up something like this below; one possible - and very relative - improvement would be to get a more precise, multi-turn valve for airflow adjustment, but in my experience it is not absolutely necessary: ruclips.net/video/OWRdnh18bqw/видео.html Thx!
Can you do a video about when is best time to use CAST vs EXTRUDED?
I touch on it a little in this video. If there is no engraving to be done I use extruded. If there is any engraving to be done I always use cast acrylic. Huge difference in quality when engraved!
Interested in more details about your variable air assist, perhaps a video topic?
Thunder laser is one of the only lasers that have a dual air assist. you control it in your layers in Lightburn. air assist on or off. off really means low volume air. this will automatically switch from low volume air (engraving) to high volume air when cutting. this is very convenient and effective!
WHERE CAN WE GET A METER?? Source please Thanks for another great video.
Smc pneumatics
What is your focus? I'm assuming 2" head. I for the life of me cannot get this to work. I'm running the 35/80 with stock air and no air pressure meter yet.
Usually I’m always out of focus 1-2mm so 7-8mm
What is the best way to wrap project to send after you finished it
bubble wrap, lots of bubble wrap!
I want that pressure gauge for sure.
it works fantastic!
Revisiting your video here because I’m going to test rowmark soon. This is an awesome video showing the difference air pressure can make. Thank you Robert! Were you in focus on all of these tests?
Is it possible to get a champhered or rounded edge on acrylic with a CO2 and/or Lightburn?
by adding a line just inside the cut you can make an illusion of a chamfer but because the laser beam is fixed at 90 degrees the 45 degree chamfer is not possible
@@computercreationz Thank you so much for your reply. I enjoy your content immensely.
I am trying to engrave on the 2-layer plastic and cannot get the settings right. I have to turn the power up so high it is melting the material or I have to make multiple passes. Is there an easier way?
High speed low power very little air flow. To much Air flow is your enemy. Your engraving should be very shallow.
@@computercreationz I have a 60W c24. i tired the default settings from the library and turned off the air flow. It is barely making a dent in my material. The speed is at 500 and the engrave power is at 19 and the cut pwr is 39. any suggestions? The material is the lamacoid 2 layer plastic from gravoply, which is supposed to work. by the time I cut through, i am melting the material, which looks like crap.
Hı from Turkiye ,
Have you video about setting laser orijin etc ? For easy way.
Please let me know
Thank you
ruclips.net/video/lCSrUo2TrOQ/видео.html
at what distance is your lazer head to the material
when engraving 1-3mm farther away than normal focus distance
Is there a reason why you went with the SMC specifically?
no, it was the only one I found that was down to a 1/10 of a pound that didn’t break the bank.
@@computercreationz Got it! I've been looking at some on eBay. Found a seller which is selling them new at around $30. I have an AEON Mira 9 and I'm looking to seriously upgrade the air assist system.
could you make a video on installing air gauge
thank you for the suggestion
I find i have to seperate the small text and medium / larger. The small just wont show unless i give special atention.
yep, I do that on leatherette all the time. thanks for your comments