I’m eager to hear everyone’s thoughts on this. I was thinking of a Cohesion3D board would solve some of these issues. I would also love to be able to burn nice grey scale images into wood. (assumably due to the laser having to travel further.) In all honesty, you get what you pay for. LightBurn of course is a wonderful piece of software for designing and operating the laser. It has the ability to add a rotary attachment at a later date. Since all of the K40 laser cutters are the same, and theyre. The Cohesion3D board is a good choice and is almost future proof for a K40. I find that my laser is strong enough to cut with one stroke in the top left…but needs a lot more in the bottom right. The Cohesion3D board is a direct, drop-in replacement for the control board found in the K40 laser.
It is nigh on impossible to ensure I’m using the same power as I have done before, but a basic Google search shows that the digital controls are not accurate/sensitive enough. I also have a super simple air assist, basic aquarium air pump though so not very strong. I have removed the stock holder thingy and put in a piece of steel with nuts welded to it so I can modify the height manually using its “legs” ( bolts). It has an analogue knob to control the laser power and I use inkscape and K40 whisperer for my designs. Advice Requested Hello, I’ve been playing around with my basic K40 Laser for a while now.
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