As I’ve been dabbling in the mad sciences recently, I thought I’d get some more toys.
This culminated in the purchase of a laser engraver.

This is it sitting next to another interesting toy I own – a CNC. He who dies with the most toys wins dontcha know :)
My Desktop Fab :)

The engraver came with some exceedingly shite Chinese software (Moshi Engraver), but I did know that, and had ordered a cnc controller board with the idea of retrofitting that in. (its actually in the photo above funnily enough)

It has sat in the office mildly unused, but still in my thoughts.

One of my clients finally asked what was that large orange thing upstairs, and I dragged it out and setup for them to show off some test paper cuts.

Tomorrow will take a closer look at working out the pinouts as I didn’t get very far today in getting EMC2 talking nicely to to the Y axis (which was the goal for tonight).

Long term will be interested in making it work as a printer driven hardware device, but for now EMC2 is good enough.
http://www.laoslaser.org/ is making interesting progress in that regard, and I might look at talking directly to the Engraver factory about integrating and making a few with a few to selling a *decent* version.

As this will be a work in progress, here are the links that will be useful.
Some need a vee pee en to view in China sadly.

http://www.cnczone.com/forums/laser_engraving_cutting_machines/138554-cheap_laser_cutter_modifications.html
http://www.thinkhaus.org/2010/06/19/howto-turn-a-cheap-chinese-laser-engraver-into-a-pretty-good-laser-cutter/
http://www.stephenhobley.com/blog/2011/04/15/upgrading-a-laser-cutter-from-china/
http://www.andyslater.com/laser-cutting/cnc-conversion.html
http://dank.bengler.no/-/page/show/5473_connectinggrbl
http://www.synthfool.com/laser/
http://www.laoslaser.org/

4 Comments to “Chinese Laser Engraver modding”

  • mark says:

    Yes…that moshi software is crap. I used the corel draw plugin for awhile but it only works about 20% of the time (it sends the head off into the hardstop 80% of the time for no reason). Looking forward to more posts!

    Have you figured out the pinout for the stepper motors and x/y opto limit switches via the 12 pin flexible flat ribbon cable? I’m about to dive into this myself.

    • Haven’t taken a deep look yet, probably next month can check it out. There are people who are working on their own interface also which is an interesting option, they haven’t responded to my queries yet though.

    • mark says:

      I have a ms10105 v4.1 moshisoft board and here is the pinout:

      1 y stepper a (yellow)
      2 y stepper a (white)
      3 y stepper b (red)
      4 y stepper b (blue)
      5 blank?
      6 gnd
      7 gnd
      8 opto x @ 2.8v
      9 opto y @ 2.8v (same as 12)
      10 5volts
      11 blank?
      12 opto y @ 2.8v (same as 9)

      pin 1 is in the top if you are looking at the board so you can read moshisoft text upright. I’m probably going to make a breakout board so I can use the existing connectors… then jumper them over to a parallel port based stepper driver board. I have a few 12pin flat ribbon connectors coming from digikey which I hope should work for this. If not, I will just pull the connector off the moshisoft board. Ideally I would like to keep the moshisoft board in case they actually make some better software. On their site they had some moshisoft 2012 software which didn’t look as bad.

      Mark

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