CNC Machining Articles

Technical article library

Open the complete article for formulas, examples and practical machining context.

A practical guide to calculating CNC milling feed rate from spindle speed, flute count and chip load, with unit checks and verification steps.

Understand feed per tooth, how chip load is calculated, and how flute count and spindle speed change milling feed.

A practical method for interpreting CNC cutting-data charts, matching units, and cross-checking chart values with transparent calculations.

Learn what surface feet per minute means, how it relates to RPM and diameter, and when to use SFM versus metric cutting speed.

Understand how spindle RPM and programmed feed interact, when feed should scale, and why machine limits change the calculation.

Calculate and interpret material removal rate for CNC milling, including feed, radial engagement and axial depth.

Build an aluminum milling starting point from toolmaker cutting speed and chip load, then verify engagement, chip evacuation and machine limits.

A calculation-first framework for stainless steel machining that emphasizes tool data, chip thickness, rigidity and heat control.

Understand why tool stick-out and system rigidity affect usable CNC cutting conditions, and how to troubleshoot chatter systematically.

Compare carbide and HSS cutting-data considerations and learn how tool construction changes the starting cutting condition.