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...
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...
110V vs. 220V CNC Spindles: Which One Should You Choose?
Choosing between a 110V and 220V CNC spindle depends on more than available power. Compare circuit requirements, spindle power, VFD...
CNC VFD Error Codes Explained: Common Causes and First Checks
Learn what common CNC VFD errors such as ERR09, ERR12, ERR31, and ERR38 mean, what to check first, and when...
