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.
ER11 vs. ER20 CNC Spindles: Tool Sizes, Collets, and Real-World Limits
ER11 handles the 1/8- and 1/4-inch tools used by many CNC owners, while ER20 expands your options to common 3/8-...
65mm vs. 80mm CNC Spindles: Mounting, Clearance, and Power Differences
A smaller spindle does not always provide better clearance. Learn how 65mm and 80mm CNC spindles differ in mounting, tool...
1.5 kW vs. 2.2 kW CNC Spindles: Which One Is Right for Your Machine?
A 2.2 kW spindle is not automatically the better choice. Compare voltage, machine rigidity, mount size, Z-axis capacity, tooling, and...









