![]() I’m eager to hear everyone’s thoughts on this. I was thinking of a Cohesion3D board would solve some of these issues. These boards have a 6 pin power/laser connector. The M series is the standard mainboard in many k40’s and some 50-80 watt Chinese laser engravers. I would also love to be able to burn nice grey scale images into wood. The Cohesion3D LaserBoard could be a replacement for this controller but may require some custom modification. (assumably due to the laser having to travel further.) 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. k40 upgrade from moshi board to Cohesion3D - The Garage Engineer from cohesion3d mini laser upgrade bundle Watch Video. 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. ![]() 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. I also have a super simple air assist, basic aquarium air pump though so not very strong. The Cohesion3D board is a good choice and is almost future proof for a K40. 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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