ChipLoad

3/8" roundover bit feeds and speeds

45 sourced settings from High Country Tools. Published chip loads range from 0.00121 to 0.00798 in per tooth. Pick your material:

acrylic (5) · baltic birch plywood (5) · dense hardwood (maple, oak) (5) · epoxy resin (5) · hardwood (5) · hdpe / uhmw (5) · mdf (5) · melamine (5) · softwood (5)

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FAQ

What feeds and speeds for a 3/8" roundover bit on a hobby-ultralight CNC router?
Published manufacturer data (High Country Tools) gives a chip load of 0.00121–0.00211 in per tooth and a feed of 29–48.6 IPM (9 sourced rows). Start low and test in scrap.

What feeds and speeds for a 3/8" roundover bit on a hobby-light CNC router?
Published manufacturer data (High Country Tools) gives a chip load of 0.00188–0.00329 in per tooth and a feed of 54.5–91.8 IPM (9 sourced rows). Start low and test in scrap.

What feeds and speeds for a 3/8" roundover bit on a hobby-rigid CNC router?
Published manufacturer data (High Country Tools) gives a chip load of 0.00268–0.0047 in per tooth and a feed of 77.8–131.2 IPM (9 sourced rows). Start low and test in scrap.

What feeds and speeds for a 3/8" roundover bit on a business CNC router?
Published manufacturer data (High Country Tools) gives a chip load of 0.00376–0.00658 in per tooth and a feed of 109–183.6 IPM (9 sourced rows). Start low and test in scrap.

What feeds and speeds for a 3/8" roundover bit on a industrial CNC router?
Published manufacturer data (High Country Tools) gives a chip load of 0.00456–0.00798 in per tooth and a feed of 132.3–223 IPM (9 sourced rows). Start low and test in scrap.