Grounding, Noise, and Power Filtering

Grounding of your CNC machine is very important, for safety reasons and enhanced reliability.  Unfortunately, most kits on the market completely ignore grounding of the machine.  This can create safety hazards and intermittent interruption of machine operation due to static buildup and electrical noise. Also, since your machine is generally operated in an electrically noisy … Read more

GRBL Settings and Calibration

GRBL Settings and Calibration Now that we have GRBL up and running, it’s time to get the settings for GRBL lined up with our machine.  GRBL has a list of internal variables which must be customized for the machinery connected to the controller. These internal settings consist of things like customizing the steps/mm of the … Read more

Homing and Limit Switches

Homing and Homing Electronics So the machine is now up and running, and ready to make some shavings. There are still a few things you need to know about machine operation. You need to learn about homing and what the purpose of it is, and you need to know a bit about co-ordinate work systems. … Read more

Intro to CNC Electronics

  Finally time for some hardcore electronics! The amount of hardware and software available for CNC controllers is pretty extensive. Several companies offer integrates packages that will do all the necessary functions. There are several approaches, the LPT port powered or external motion controller systems which use MACH 3 software, and the Arduino powered systems. … Read more