ChipLoad

3/8" tapered ball nose bit feeds and speeds

45 sourced settings from High Country Tools. Published chip loads range from 0.00088 to 0.00579 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" tapered ball nose bit on a hobby-ultralight CNC router?
Published manufacturer data (High Country Tools) gives a chip load of 0.00088–0.00153 in per tooth and a feed of 42–70.5 IPM (9 sourced rows). Start low and test in scrap.

What feeds and speeds for a 3/8" tapered ball nose bit on a hobby-light CNC router?
Published manufacturer data (High Country Tools) gives a chip load of 0.00136–0.00238 in per tooth and a feed of 79–125.2 IPM (9 sourced rows). Start low and test in scrap.

What feeds and speeds for a 3/8" tapered ball nose bit on a hobby-rigid CNC router?
Published manufacturer data (High Country Tools) gives a chip load of 0.00194–0.0034 in per tooth and a feed of 112.8–178.9 IPM (9 sourced rows). Start low and test in scrap.

What feeds and speeds for a 3/8" tapered ball nose bit on a business CNC router?
Published manufacturer data (High Country Tools) gives a chip load of 0.00272–0.00476 in per tooth and a feed of 157.9–250.5 IPM (9 sourced rows). Start low and test in scrap.

What feeds and speeds for a 3/8" tapered ball nose bit on a industrial CNC router?
Published manufacturer data (High Country Tools) gives a chip load of 0.00331–0.00579 in per tooth and a feed of 191.8–304.2 IPM (9 sourced rows). Start low and test in scrap.