CNC Workshop
Practical CNC guides built from real support questions and hands-on experience. Explore spindle selection, controller compatibility, troubleshooting, upgrades, maintenance, and more from the PwnCNC team.
PWM vs. Modbus: Which CNC Spindle Control Method Should You Use?
PWM and Modbus can both provide automatic CNC spindle control, but they work very differently. Learn which method fits your...
Why Does My CNC Spindle Work in Manual Mode but Not Automatically?
A spindle that runs from the VFD keypad but not from the CNC controller is usually pointing to a problem...
Why Is My CNC Spindle Running at the Wrong RPM?
Is your CNC spindle running too fast, too slow, or refusing to go below a certain RPM? Learn how to...
How to Connect a CNC Spindle to Buildbotics, LinuxCNC, Mach4, or Sienci Controllers
Learn how to connect a CNC spindle to Buildbotics, LinuxCNC, Mach4, or Sienci controllers using PWM, analog, or Modbus/RS-485 control.
