Another question: I have a K40 laser with a new Cohesion3D board. When I used the old board I was able to use ‘engrave’ mode in correl laser which ran the laser at full power (I think) at about 320 mm/s. This seemed to cut about a 0.45mm deep groove into the material I’m using (buffalo horn). However, with LaserWeb using ‘Laser Raster’ mode and what I think are similar settings (see attached an image) I barely dent the material. Is there a way to ‘engrave’ with a similar level of power that I got before (I’ve used an all black image).
For info, I want to use this to try and thin the material using the laser in specific areas, right now I’m just using solid black but I was going to try using a graduated colour to thin certain areas.
Thanks, it sounds like that won’t work for what I want, effectively cutting away material but at varying depths (so for example the middle might be thicker than the outside). It worked a treat with the old board but only for a fixed depth.
By a vector file, will a dxf work or do I need it to be an svg?
@Phillip_Meyer You can try with a shorter #laser_module_pwm_period in the smoothieware config.txt. On my K40, with a pwm period of 20-50ms I get deeper groves, with a period of 200-400ms I get good grayscale.
It’s also important that your focus is well on the surface to get deeper grooves.
@Jorge_Robles Yes, but only smothie supports changing it by code. In Grbl, you would have to recompile and reflash the firmware. So probably a case for a macro.
