Author Topic: Materials that I can cut  (Read 8920 times)

jlauzon

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Re: Materials that I can cut
« Reply #15 on: April 21, 2016, 10:03:20 PM »
is it possible to make cut paper art/cards with our lasers? see attached
would you have to make the design a vector? has anyone tried this?

Yes, I've done it with a small .5 watt laser on paper. You need good vector files to make them sharp. Controlling the laser's power is the key. I can cut intricate designs with the 5.5W laser, but I turn it down to a power of 5 for paper. A slow feed rate is also better for precision.

I'll post some cuts I've made on paper/cardboard. I have a huge vector library that I bought on eBay. Quality vector files are a must.

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Re: Materials that I can cut
« Reply #16 on: April 22, 2016, 11:20:54 AM »
@Nigelnowhere

I found one photo I took showing my 3mm wood cut tests. For these test cuts I manually wrote the gcode and did make the speed adjustments necessary to make the cuts come out even. This means the two cut lines running along the grain cut 100% through the 3mm wood AND the cuts against the grain also cut 100% through the wood...but I had to varying the Feed Rate in order to accomplish this.

I'm also attaching the same photo but with added notes showing what happens to a cut square if you use the same feed rate for all line cuts.

For clarity, those squares that did not cut 100% through the wood, this photo is showing the under side of those cut attempts. You can see two lines cut through and two lines did not.
« Last Edit: April 22, 2016, 11:34:38 AM by Administrator »
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QuietMike

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Re: Materials that I can cut
« Reply #17 on: April 22, 2016, 09:25:04 PM »
what software do you use if i wanted to go from an image like bmp or jpg, to a vector file i guess those are mostly dxf or svg? and then to gcode?

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Re: Materials that I can cut
« Reply #18 on: April 22, 2016, 09:42:16 PM »
I'm guessing there area lot of software apps out there that can convert a raster image to vector. @Zax or others may have some names for you. I'm also assuming you want to engrave your images? T2 can do that for you!
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ROSS

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Re: Materials that I can cut
« Reply #19 on: April 23, 2016, 12:12:21 AM »
INKSCAPE.  That will do it.  Its free as well.  Read about this prog first.

There are YOUTUBE videos  about Inkscape..one in particular is VERY boring!

THIS  might be of help.....
http://atxhackerspace.org/wiki/Using_Inkscape_with_the_Laser_Cutter
« Last Edit: April 23, 2016, 03:33:24 AM by ROSS »
.
Lasers are wonderful machines..not ONLY  can they cut a finger off BUT  they can also cauterise it at the same time.....

SAFETY -  IS NO ACCIDENT

Zax

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Re: Materials that I can cut
« Reply #20 on: April 23, 2016, 04:47:55 AM »
Inkscape works OK for raster to vector conversion, Corel is probably the king though and produces the best results without too much effort.

It is fairly simple to trace the outline but when you start looking for all the details it gets complex. I quickly decided to leave that to the pros and just import a DXF which means you can generate the contour in Inkscape and use T2Laser to engrave it (picture) and then cut it out.

- Zax

QuietMike

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Re: Materials that I can cut
« Reply #21 on: July 01, 2016, 10:20:01 PM »
my 2.5w laser on full power and feedrate of 500, takes like 5 passes to go through plain cardbord, does that seem right, i feel like i should have more power than that

jlauzon

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Re: Materials that I can cut
« Reply #22 on: July 01, 2016, 11:15:13 PM »
I have the 5.5, so not certain from firsthand experience, but my 5.5 cuts through cardboard easily at much lower power.

Zax

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Re: Materials that I can cut
« Reply #23 on: July 02, 2016, 06:38:09 AM »
When you say cardboard, do you mean like a packing box?

I have the same 2500mW and it takes multiple passes, but for card stock it can cut easily in 1 pass although probably not at a feed rate of 500. Maybe 100 or 80.

dindunuffin

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Re: Materials that I can cut
« Reply #24 on: July 02, 2016, 10:46:21 AM »
I have a 2K mw, and it takes me 3 passes at full power and speed of 250 to just cut thru thick card stock paper.  Seems to cut wood better than paper to me. 

Zax

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Re: Materials that I can cut
« Reply #25 on: July 02, 2016, 11:30:40 AM »
It depends on the surface and how much energy is absorbed vs. reflected.

Multiple passes at a lower power should give a cleaner cut (less burning).

Zigy7642

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Re: Materials that I can cut
« Reply #26 on: October 19, 2016, 01:10:40 AM »
Hello all. I am deciding of buying a 5.5Mw laser. For purpose of making custom patches for airsoft. So I would like to know if the laser custs through 500 - 1000D cordura. And if one of you already tried it. Any answer would be greatly apreciated. Thank you.

Zax

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Re: Materials that I can cut
« Reply #27 on: October 19, 2016, 06:18:09 AM »
I am very familiar with Cordura but haven't tried cutting it, similar materials cut very well with the laser but hopefully someone has experience with it.

nottingham82

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Re: Materials that I can cut
« Reply #28 on: October 27, 2016, 11:30:08 PM »
UPDATE: All the Acrylics have now been tested and the results are below. The 4 digit numbers are the ePlastics Reference Numbers.

13. ORANGE 2422 - Can cut in 4 passes.
14. Light Purple 1020 - Cannot cut.
15. Dark Purple 3730 - Cannot cut.
16. RED 2423 - Can cut in 3 passes.
17. DARK GREEN 2092 - Can cut in 3 passes.
18. Light Green 2111 - Cannot cut.
19. Glass Green 3030 - Cannot cut.
20. Dark Blue 2424 - Cannot cut.
21. Light Blue 2069 - Cannot cut.
22. Yellow 2208 - Can cut in 3 passes.

Hey Ralph.  What speed did you try these acrylics at?  I just got some 2092 green in and I cant wait to make some cuts!
Laser: 2500mw A5 eleks maker
OS: Windows 10 all in one pc
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http://www.gearbest.com/3d-printers-3d-printer-kits/pp_290386.html Paid $160 in 2016

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Re: Materials that I can cut
« Reply #29 on: October 28, 2016, 08:21:18 AM »
Sorry I don't remember what my speeds were...I have since changed my laser tools in my BenCutLaser program.

You'll have to experiment  :)
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