Sienci Labs feeds & speeds
81 published settings for 20 Sienci Labs bits: downcut end mill, flat end mill, ball nose bit, tapered ball nose bit, 30-degree V-bit, 60-degree V-bit, 90-degree V-bit, surfacing bit. Materials: aluminum, hardwood, plastic, softwood.
Sienci Labs's own sources (get the CAM tool files there):
| Bit | Type | Diameter | Flutes | Materials | Chip load (in) | Feed IPM |
|---|---|---|---|---|---|---|
| 1/16" 2F Flat End Mill Downcut | downcut end mill | 1/16" | 2 | 2 | 0.00125 | 42.5 |
| 1/8" 2F Flat End Mill Downcut | downcut end mill | 1/8" | 2 | 2 | 0.0025 | 85 |
| 1/4" 2F Flat End Mill Downcut | downcut end mill | 1/4" | 2 | 2 | 0.00359 | 86.2 |
| 1/16" Corncob End Mill | flat end mill | 1/16" | 8 | 2 | 0.00031 | 42.5 |
| 1/16" 2F Flat End Mill UC | flat end mill | 1/16" | 2 | 3 | 0.00125–0.00151 | 42.5–51.2 |
| 1/8" 2F Flat End Mill UC | flat end mill | 1/8" | 2 | 4 | 0.00125–0.003 | 42.5–85 |
| 1/8" Single Flute Flat End Mill UC | flat end mill | 1/8" | 1 | 4 | 0.00125–0.00299 | 21.3–55.1 |
| 1/4" 2F Flat End Mill UC | flat end mill | 1/4" | 2 | 4 | 0.00249–0.0052 | 59.8–103.9 |
| 1/4" Single Flute Flat End Mill UC | flat end mill | 1/4" | 1 | 4 | 0.0025–0.006 | 42.5–85 |
| 1/8" Ball End Mill | ball nose bit | 1/8" | 2 | 4 | 0.0005–0.003 | 27.2–85 |
| 1/4" Ball End Mill | ball nose bit | 1/4" | 2 | 4 | 0.001–0.0052 | 44.1–109.8 |
| 1/2" Round Groove Bit | ball nose bit | 1/2" | 2 | 2 | 0.0012 | 40.9 |
| 3/4" Round Groove Bit | ball nose bit | 3/4" | 2 | 2 | 0.00151 | 51.2 |
| 1" Round Groove Bit | ball nose bit | 1" | 2 | 2 | 0.00151 | 51.2 |
| 1/8" - D0.5mm Tapered Ball End Mill | tapered ball nose bit | 0.5mm | 2 | 3 | 0.00089–0.00591 | 50.8–143.3 |
| 1/4" - D1/16" Tapered Ball End Mill | tapered ball nose bit | 1.5mm | 2 | 3 | 0.00138–0.00262 | 27.6–149.6 |
| 30 Degree V-bit | 30-degree V-bit | 1/8" | 1 | 4 | 0.002–0.00313 | 44.1–53.1 |
| 60 Degree V-bit | 60-degree V-bit | 15.0mm | 2 | 4 | 0.001–0.002 | 44.1–88.2 |
| 90 Degree V-bit | 90-degree V-bit | 15.0mm | 2 | 4 | 0.001–0.002 | 44.1–88.2 |
| 22mm Surfacing Bit | surfacing bit | 22.0mm | 2 | 2 | 0.0024 | 81.5 |
FAQ
Where does Sienci Labs publish its feeds and speeds?
ChipLoad uses 1 published Sienci Labs source: https://sienci.com/wp-content/uploads/2023/01/Sienci-Labs-LongMill-MK2-Tools-V1-3.tools. Every row on this page links to the one it came from.
What chip load does Sienci Labs publish for a 1/4 in flat end mill?
0.00249–0.006 in per tooth across 8 published settings (aluminum, hardwood, plastic, softwood), depending on material and machine class.