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Messages - Zax

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Engraving / Re: painted metal
« on: May 02, 2021, 02:02:43 PM »
It depends on the wavelength of the laser, typically a CO2 will remove the pigment and leave white whereas a diode will just remove the surface. If you paint them white and then dark green you'll be able to remove the top layer revealing the white.

General Discussion / Re: cnc lofi!
« on: April 30, 2021, 12:21:14 PM »
Its been more than quiet. I miss being able to ask a technical related question and get a good discussion.

Agreed. Ralph did such a good job keeping the forum "clean" of spammers and other junk posts.

General Discussion / Re: Etching Ceramic Tile
« on: April 26, 2021, 05:01:22 AM »
On tile I use 2 or 3 very thin coats and allow it to dry between applications, it gives a more consistent result than trying to cover the tile in a single thicker coat.

Using a resolution of 0.05 means the laser is passing over the same area 3 times, slightly offset each time as the beam is probably closer to 0.15 or more. I prefer to use a more practical resolution value that matches the spot size and reduce the feed rate but I know your method is also popular and I have seen some very good results.

Metal may not provide the same results as ceramic (tile) as the metal will absorb much of the energy (heat) and dissipate it before it can ablate the paint.

Assembly Help / Re: Wiring home switches
« on: April 23, 2021, 06:03:28 AM »
In T2Laser you can enable the switches from the settings menu on the laser controller screen, but how they function is largely determined by the firmware although there are some parameters you can change (such as homing direction, feed rates and pull off distances).

General Discussion / Re: cnc lofi!
« on: April 16, 2021, 04:15:21 PM »
It's been real quiet around here, so good to have you back.

Did you leave the CO2 tube with coolant water in? If so it may need to be flushed but just flowing water may get it back to life, unless of course it's lost gas pressure in which case you would need a new tube, fortunately the prices have come way down.

General Discussion / Re: Rotary axis without motor
« on: April 16, 2021, 04:11:56 PM »
You would only use the rotary option for a lathe style axis, where the distance is relative to the circumference.

Benbox / Re: At a Loss
« on: March 04, 2021, 07:01:46 AM »
I can't help with Benbox but if you want to checkout T2Laser and contact me from my site or by email I will help you get the machine working.

Assembly Help / Re: How to connect Air Support valve to board?
« on: January 23, 2021, 10:03:45 AM »
The header and footer are advanced features in the post processor menu, it is expected that you have some experience in G-code so you can enter commands.

Say you want to automatically enable flood coolant, you would enter M8 in the header (on) and M9 in the footer (off). It's the same as using the custom buttons.

T2 Software Updates / Re: Overview whats-new in T2Laser V1.6b available?
« on: January 21, 2021, 07:45:46 AM »
It was a minor bug fix (maintenance) update related to CNC laser Z-axis. I fixed a simulation "view" error where it would use Z position instead of laser power for the display and also a bug related to using Grbl 1.1f.

I only post details when there's new features or something significant.

Assembly Help / Re: How to connect Air Support valve to board?
« on: January 21, 2021, 07:41:56 AM »
Yes, it was implemented last year.

T2 Engraving / Re: Using T2 with an Eleksrotate module
« on: January 17, 2021, 10:12:35 AM »
It should not be distorted unless it's because of the taper. The Eleks Rotate method moves the rollers at the same steps per mm as the normal Y-axis so the object should also move at the same rate / distance.

T2 Engraving / Re: Using T2 with an Eleksrotate module
« on: January 15, 2021, 02:08:40 PM »
No, the Eleks Rotate does not require any changes. Some other rotary modules do need to use the rotary mode option to change settings but not this type of rotary.

T2 Engraving / Re: Suddenly T2 won't load
« on: January 07, 2021, 04:40:38 AM »
To get support for T2Laser please contact me via or direct to email as I don't regularly check forums.

It looks like your Microsoft NET is corrupted, the simplest solution would be to remove T2Laser and then reinstall.

To remove T2Laser:Go to C:\Users\[username]\AppData\Local\Apps\2.0 and delete the sub folders but leave the 2.0 folder (change [username] to your user name). 
To reinstall (run setup.exe):

- Zax

Engraving / Re: Laser pulse and trace image
« on: January 01, 2021, 01:25:14 PM »
Does the laser turn on and off with the manual controls?

If so, the pulse and engrave frame should also work. Trace frame is always laser off.

Pulse and engrave frame (as well as the manual laser on) use the manual laser power setting, make sure it isn't 0.

General Discussion / Re: Alarm 3 problem...
« on: January 01, 2021, 01:23:47 PM »
Check that all power savings are disabled, computer and USB hub.

It could be electrical noise (often from the motors), a better quality USB cable can help or adding a capacitor (0.1uF 30V) between A0 and GND should fix it.

The only other common cause is the Nano memory beginning to fail.

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