PrintNC Feeds & Speeds

Pre-configured calculator for the PrintNC. Your machine's specs are already loaded. Just pick your bit and material.

Machine Specs

Work Area: Customizable (commonly 24" x 24" to 48" x 48"+)
Drive System: Ball screws
Spindle: User-supplied spindle (typically 1.5kW-2.2kW VFD spindle)
Max RPM: Spindle-dependent (typically 24,000)
Motion: Linear rails (typically HGR15 or HGR20)
Collet: Spindle-dependent (typically ER20 or ER25)

Ready to calculate?

Open the calculator with your PrintNC specs pre-loaded. Save it to your profile and you'll never enter machine specs again.

Open Calculator for PrintNC

About the PrintNC

• **Open-source design** with active community
• Welded steel frame provides exceptional rigidity
• Ball screws and linear rails throughout
• Designed for aluminum cutting and heavy work
• Fully customizable dimensions and configuration
• "Poor man's industrial CNC" philosophy
• Requires significant fabrication skills (welding, basic machining)
• Community support via Discord, forums, Facebook groups
• Build cost depends heavily on sourcing and choices
• Can achieve precision rivaling industrial machines
• Popular servo upgrade path
• Modular design allows incremental builds and upgrades

💡 Quick tip for PrintNC owners

Start with conservative feeds and speeds, especially on a new machine. Run a few test cuts in scrap material before committing to a real project. Our calculator gives you safe starting points. You can always push faster once you know your machine's limits.

Learn More

Feeds & Speeds for Beginners The complete guide: what chipload means, how to read the tables, and when to break the rules. Best CNC Bits for Beginners Which bits to start with, when to upgrade, and how to avoid breaking expensive tooling. Upcut vs Downcut Bits When to use each type, and why it matters more than most beginners think.