ChipLoad

1/8" downcut end mill feeds and speeds

166 sourced settings from Harvey Tool, High Country Tools, Onsrud, Sienci Labs, SpeTool. Published chip loads range from 0.0006 to 0.008 in per tooth. Pick your material:

abs (3) · acetal / delrin (pom) (2) · acrylic (15) · aluminum (12) · baltic birch plywood (15) · cast acrylic (3) · dense hardwood (maple, oak) (15) · epoxy resin (15) · extruded acrylic (3) · hardwood (17) · hdpe / uhmw (15) · mdf (16) · melamine (15) · polycarbonate (lexan) (3) · softwood (17)

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FAQ

What feeds and speeds for a 1/8" downcut end mill on a hobby-ultralight CNC router?
Published manufacturer data (High Country Tools) gives a chip load of 0.0006–0.00105 in per tooth and a feed of 14.4–24.2 IPM (27 sourced rows). Start low and test in scrap.

What feeds and speeds for a 1/8" downcut end mill on a hobby-light CNC router?
Published manufacturer data (High Country Tools, Sienci Labs) gives a chip load of 0.00064–0.0025 in per tooth and a feed of 20.5–85 IPM (32 sourced rows). Start low and test in scrap.

What feeds and speeds for a 1/8" downcut end mill on a hobby-rigid CNC router?
Published manufacturer data (High Country Tools) gives a chip load of 0.00092–0.00233 in per tooth and a feed of 29.3–65.2 IPM (30 sourced rows). Start low and test in scrap.

What feeds and speeds for a 1/8" downcut end mill on a business CNC router?
Published manufacturer data (High Country Tools) gives a chip load of 0.00128–0.00327 in per tooth and a feed of 41.1–91.3 IPM (30 sourced rows). Start low and test in scrap.

What feeds and speeds for a 1/8" downcut end mill on a industrial CNC router?
Published manufacturer data (High Country Tools) gives a chip load of 0.00156–0.00397 in per tooth and a feed of 49.9–110.8 IPM (30 sourced rows). Start low and test in scrap.