Movement speed

Machine: OMTech K40

Board: LaserBoard

Firmware: Smoothie

Problem/ Question:

What setting in the Config file changes the movement speed between layers or cuts? My machine sometime seems to move to fast and looses its place or messes up. It only does it between shapes. I have the movement speed in Lightburn set to 50mm/sec but that only seems to affect when you move the laser head around not during engraves.

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The config file settings you’ve asked for are the x_axis_max_speed and related config options in the config file. Also look at alpha, beta, and gamma_max_rate to tune that speed.

However, what you’re describing probably won’t be solved by just slowing the machine down. Make sure your stepper motor currents are correct, first and foremost, then try lowering the acceleration values per axis to see if you can get it to behave better.

If you do a search on the forum you should be able to locate a half dozen posts where folks have been walked through this process :slight_smile:

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