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Messages - Zax

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1
T2 Engraving / Re: Using T2L to engrave an image and then cut it out
« on: January 23, 2017, 06:02:50 PM »
That sounds like a feature request, either a separate feed rate for the vector portion or some factor to determine the ratio of raster to vector power.

2
Projects / Re: Name plate
« on: January 23, 2017, 05:59:11 PM »
As nottingham82 said, T2Laser has a couple of options for simulated greyscale.

Dithered and Velocity mode both work very well. You can also use the same technique as Velocity mode for vector engraving / cutting, where the DXF colors are translated to different "power".

3
T2 Engraving / Re: Using T2L to engrave an image and then cut it out
« on: January 23, 2017, 05:50:48 PM »
Only one feed rate, but the first step is turning on Sketch Plus.

4
T2 Engraving / Re: Using T2L to engrave an image and then cut it out
« on: January 23, 2017, 04:22:46 PM »
Yes. You want Sketch Plus, then use the Trace feature to select the contour you want to cut.

5
Projects / Re: Name plate
« on: January 23, 2017, 03:19:48 PM »
Nice work FrostyOne. Did you engrave and then raster outline?

6
I've updated my DXF conversion instructions for Inkscape 0.92 and added Adobe Illustrator.

7
That's essentially what I have, a standard bathroom exhaust fan the same as the CO2 lasers come with.

I vent outside but some people use charcoal filter boxes which would be fine for paper, card and wood. I'm not sure I would trust them with plastics but it may be necessary depending on your situation (unless you can connect to an outside vent or through a window).

8
Cutting / Re: Extra long time to run job
« on: January 22, 2017, 05:11:00 PM »
That isn't a laser version of Grbl so it will delay for the CNC spindle to start, I thought Ralph had a "workaround" to make it less noticeable so maybe check with him but it's still going to be there.

9
Cutting / Re: Extra long time to run job
« on: January 22, 2017, 04:43:32 PM »
T2Laser says it will take 688 minutes, which is around 11.4 hours.

What firmware are you using?

10
T2 Engraving / Re: T2Laser as a pen plotter :)
« on: January 22, 2017, 04:14:28 PM »
Exactly, as my first statement. It is designed for 3D machining of images.

Using vector files your statement is true and I have corrected the G-code, it will be updated in the next release.

11
General Discussion / Re: motor is blocking
« on: January 22, 2017, 04:08:44 PM »
It sounds like a fairly typical stepper motor failure, most likely the bearings but since these are low cost I would just replace it.

12
Trouble Shooting / Re: Help w/PWM mod, no jumper pins: undocumented board
« on: January 22, 2017, 04:06:18 PM »
Did the laser work correctly with Grbl 1.1e firmware uploaded?

If so, your board is already configured for 0.9 and above. So PWM should be enabled.

In T2Laser you can use velocity mode or dithered to achieve greyscale even without PWM.

13
Projects / Re: DIY Laser Cutter (german)
« on: January 22, 2017, 12:55:51 PM »
Very nice results, and I really like your setup.

14
Trouble Shooting / Re: X Axis is Wobbly
« on: January 22, 2017, 12:52:44 PM »
That looks much better, and no lost steps as everything is on top of each other. Well done!

15
T2 Engraving / Re: T2Laser as a pen plotter :)
« on: January 22, 2017, 12:51:43 PM »
I should have been more specific. It is correct for the intended purpose, which is engraving 3D images using a 3-axis CNC router.

If you set resolution to 0.1, and use black and white mode it will move from Z1 to Z0 in the 0.1 distance, which for your purpose using a pen plotter should work as the pen will almost immediately come off the paper. I've done similar using a drag knife on my CNC and it worked well.

I will add a post processor in the next release to put the Z moves before XY so you can use it for 2D CNC machining.

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