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Messages - Zax

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General Discussion / Re: Laser will not turn off
« on: March 06, 2022, 04:51:44 AM »
Agreed but now the Eleks forum is gone perhaps this site will gain some activity again.

General Discussion / Re: Laser will not turn off
« on: March 04, 2022, 11:56:04 AM »
If you can't find an EleksMaker board, just search for a generic Grbl controllers. I have a CronosMaker on my CNC.

General Discussion / Re: Laser will not turn off
« on: February 20, 2022, 01:35:34 PM »
The problem is most likely the MOSFET (near the weak laser button) marked S D (source & drain), it controls the laser on/off.

Trouble Shooting / Re: laser not focusing to a point
« on: February 09, 2022, 11:42:56 AM »
Higher powered laser diodes have a bar emitter but it is unusual for a 2.5W module, is it possible you got a 5.5W not a 2.5W?

T2 Engraving / Re: Question on T2 with non-Arduino controller boards
« on: December 26, 2021, 04:37:26 AM »
It has custom firmware and you can't flash using T2Laser (which is for AVR based controllers) but as you found it should work just fine since T2Laser works with any Grbl based machines.

General Discussion / Re: Getting started and working on a few challenges
« on: December 26, 2021, 04:34:02 AM »
Are you sure it's vector cutting (laser following the path) and not raster engraving (back and forth)?

You would need to trace the PNG to get a vector, I don't remember if Benbox supports that.

Engraving / Re: Setting origin problem
« on: September 21, 2021, 06:13:05 AM »
The controller has a buffer much like a printer, pressing pause stops sending G-code immediately but the machine will finish what it has already stored. You can reduce or not use the buffer at all (settings) and providing the computer is fast enough it won't be noticable, however it only takes something like anti-virus, indexing or a backup to start on your PC and the laser will stop momentarily causing a dark stop and ruining the engraving. To be honest, pausing can do this also so perhaps it's worth the risk for more immediate control.

Engraving / Re: Setting origin problem
« on: September 14, 2021, 04:43:05 AM »
If the grid is vector (DXF) then the default in T2Laser is to engrave using the sequence / order in the file, you can change this in the DXF settings (optimizer) or set in the CAD program before saving the file. Let me know if you need assistance.

T2 Software Updates / Re: How long to receive key code
« on: September 14, 2021, 04:40:43 AM »
Issue was resolved. The license key was sent almost immediately to the email address provided by PayPal but got lost somewhere along the way.

You can always contact me from my website or direct by email (click the envelope on my website or see the bottom of the support page).

T2 Engraving / Re: Trace Frame - Laser burns on trace frame
« on: August 26, 2021, 04:20:52 AM »
I would recommend upgrading the firmware to Grbl 1.1e DEFAULT, it appears you are using Benbox firmware which is very old. It does not support PWM so you only have off or full power, however, you should be able to stop it turning on when moving if you enable Jog Rapid Feed in the Settings / Advanced menu on the laser controller.

General Questions / Re: What information do we have on these boards?
« on: July 20, 2021, 08:52:16 AM »
The defaults are what you want:
Microprocessor = Nano
Postprocessor = Grbl

The configure Eleks Mana menu is only applicable to the Eleks 0.9j firmware and only necessary if you need CoreXY or Servo (which 99% of people do not).

General Questions / Re: What information do we have on these boards?
« on: July 02, 2021, 04:17:59 AM »
The 0-1000 or 0-255 make no difference to the output, it's still an 8-bit PWM so 0-255 no matter what input value is used. Resolution or granularity of the signal doesn't change.

You can use 0-1000 or any max number you like within reason on any firmware by changing the Grbl parameter ($30).

The difference with the high frequency firmware is it uses a 7.8kHz PWM instead of the usual 1.0kHz, so you get a much shorter pulse width that repeats much more often.

I would get a replacement Nano and swap it out, that may resolve your issues.

T2 Engraving / Re: Laser quit burning
« on: June 15, 2021, 05:10:10 AM »
Does the control board have a 3-pin laser output?

The older 2-pin does not have a TTL signal which is required for most laser modules, so either you can manually wire it to D11 on the Nano or get a replacement controller as well as a new laser module. The controllers are cheap and then you would have spare stepper drivers.

General Discussion / Re: Wish me luck!!!
« on: June 08, 2021, 05:11:31 AM »
I guess that's the newer version, and new higher price too.

If you are essentially putting a standard frame into the enclosure it would make more sense to use standard cables and an Eleks or Cronos board.

How do you adjust the focus (Z-axis)?

On my old K40 I installed a motor on the Z-bed so I could focus in T2Laser (that's where the Z-focus feature came from) but of course it had very limited XY size.

General Discussion / Re: Wish me luck!!!
« on: June 07, 2021, 10:07:48 AM »
There was an alternative to the Cohesion that was also a drop in replacement but half the price, not sure if that's still available or what the current price is. If I remember it was an Australian supplier but they had a US reseller, I want to say it was called the mini-Grbl or something like that. I just used an Eleks controller and removed the connectors from the old board, more work but very cheap solution.

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