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.
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...
How to Add Dwell Before Cutting With a CNC Spindle
Learn how to add a spindle-on delay before cutting, configure $392 in gSender, use G4 dwell commands, and prevent movement...
ATC Spindle Troubleshooting: Drawbar Errors, Sensors, and Tool Release Problems
Troubleshoot ATC spindle drawbar errors, failed tool release, sensor faults, air-pressure problems, MASSO inputs, wiring, and tool-present alarms.
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...
Water-Cooled CNC Spindle Troubleshooting: No Flow, Weak Flow, or Airlocks
Is your water-cooled CNC spindle showing no flow, weak circulation, or trapped air? Learn how to check the pump, tubing,...
