ChipLoad

1/2" downcut end mill feeds and speeds

164 sourced settings from Harvey Tool, High Country Tools, Onsrud, SpeTool. Published chip loads range from 0.00142 to 0.0168 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 (16) · hdpe / uhmw (15) · mdf (16) · melamine (15) · polycarbonate (lexan) (3) · softwood (16)

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FAQ

What feeds and speeds for a 1/2" downcut end mill on a hobby-ultralight CNC router?
Published maker data (High Country Tools) gives a chip load of 0.00142–0.00248 in per tooth and a feed of 34.1–57.1 IPM (27 sourced rows). Start low and test in scrap.

What feeds and speeds for a 1/2" downcut end mill on a hobby-light CNC router?
Published maker data (High Country Tools) gives a chip load of 0.00152–0.00386 in per tooth and a feed of 48.6–107.9 IPM (30 sourced rows). Start low and test in scrap.

What feeds and speeds for a 1/2" downcut end mill on a hobby-rigid CNC router?
Published maker data (High Country Tools) gives a chip load of 0.00217–0.00552 in per tooth and a feed of 69.4–154.2 IPM (30 sourced rows). Start low and test in scrap.

What feeds and speeds for a 1/2" downcut end mill on a business CNC router?
Published maker data (High Country Tools) gives a chip load of 0.00304–0.00773 in per tooth and a feed of 97.1–215.8 IPM (30 sourced rows). Start low and test in scrap.

What feeds and speeds for a 1/2" downcut end mill on a industrial CNC router?
Published maker data (High Country Tools) gives a chip load of 0.00369–0.00938 in per tooth and a feed of 118–262.1 IPM (30 sourced rows). Start low and test in scrap.

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