Amana Tool 46256 46471
2-flute ball nose 1mm (ZrN)
Type: ball nose bit · Diameter: 0.0394" · Flutes: 2
Starting points only, sourced from the manufacturers' own published data. Every machine differs: test in scrap, tune by ear. Neither ChipLoad nor the manufacturers are responsible for broken tools.
Published values, summarized per material and machine class. For the full CAM library (plunge, depth, stepover), download it from the manufacturer.
| Material | Machine class | RPM | Feed IPM | Chip load (in) | Note | Source |
|---|---|---|---|---|---|---|
| Aluminum, Copper, Brass | industrial | 18000 | 20.0 – 35.0 | 0.0005 – 0.0015 | ⚠ Manufacturer chart range at 18,000 RPM, depth of cut 1xD (reduce feed 25% at 2xD, 50% at 3xD). Page 1. Amana's chart gives one combined row for metals and plastics; ChipLoad lists it under each. CHART INCONSISTENCY: the printed feed does not match RPM x flutes x chip load (20 IPM vs 18 from chip load; 35 IPM vs 54 from chip load). Transcription re-checked against the PDF. Trust the chip load and recompute feed, or ask Amana. ⚠ Formula check: published feed 20.0 IPM vs RPM×flutes×chip load = 18.0 IPM (+11%) | Amana Tool |
| Plastic, Acrylic, Plexiglas | industrial | 18000 | 20.0 – 35.0 | 0.0005 – 0.0015 | ⚠ Manufacturer chart range at 18,000 RPM, depth of cut 1xD (reduce feed 25% at 2xD, 50% at 3xD). Page 1. Amana's chart gives one combined row for metals and plastics; ChipLoad lists it under each. CHART INCONSISTENCY: the printed feed does not match RPM x flutes x chip load (20 IPM vs 18 from chip load; 35 IPM vs 54 from chip load). Transcription re-checked against the PDF. Trust the chip load and recompute feed, or ask Amana. ⚠ Formula check: published feed 20.0 IPM vs RPM×flutes×chip load = 18.0 IPM (+11%) | Amana Tool |
| Wood, MDF, Sign-Foam | industrial | 18000 | 30.0 – 70.0 | 0.00075 – 0.002 | ⚠ Manufacturer chart range at 18,000 RPM, depth of cut 1xD (reduce feed 25% at 2xD, 50% at 3xD). Page 1. CHART INCONSISTENCY: the printed feed does not match RPM x flutes x chip load (30 IPM vs 27 from chip load). Transcription re-checked against the PDF. Trust the chip load and recompute feed, or ask Amana. ⚠ Formula check: published feed 30.0 IPM vs RPM×flutes×chip load = 27.0 IPM (+11%) | Amana Tool |
Retrieved 2026-10-16. Get the tool file from the manufacturer: Amana Tool downloads