Harvey Tool feeds & speeds
38 published settings for 23 Harvey Tool bits: downcut end mill, flat end mill. Materials: acetal / delrin (pom), polycarbonate (lexan).
Harvey Tool's own sources (get the CAM tool files there):
| Bit | Type | Diameter | Flutes | Materials | Chip load (in) | Feed IPM |
|---|---|---|---|---|---|---|
| SFL | downcut end mill | 1/64" | 1 | 1 | 0.0005–0.0006 | – |
| SFL | downcut end mill | 1/32" | 1 | 1 | 0.0011–0.0012 | – |
| SFL | downcut end mill | 1.2mm | 1 | 1 | 0.0016–0.0019 | – |
| SFL | downcut end mill | 1/16" | 1 | 1 | 0.0021–0.0024 | – |
| SFL | downcut end mill | 2.0mm | 1 | 1 | 0.0027–0.0031 | – |
| SFL | downcut end mill | 2.4mm | 1 | 1 | 0.0032–0.0037 | – |
| SFL | downcut end mill | 1/8" | 1 | 1 | 0.0043–0.0049 | – |
| SFL | downcut end mill | 3/16" | 1 | 1 | 0.0064–0.0074 | – |
| SFL | downcut end mill | 1/4" | 1 | 1 | 0.0086–0.0099 | – |
| SFL | downcut end mill | 7.9mm | 1 | 1 | 0.0091–0.0105 | – |
| SFL | downcut end mill | 3/8" | 1 | 1 | 0.0109–0.0126 | – |
| SFL | downcut end mill | 1/2" | 1 | 1 | 0.0146–0.0168 | – |
| SFL | downcut end mill | 15.9mm | 1 | 1 | 0.0182–0.021 | – |
| SFL | downcut end mill | 3/4" | 1 | 1 | 0.0219–0.0252 | – |
| SFL | downcut end mill | 1" | 1 | 1 | 0.0292–0.0335 | – |
| General | flat end mill | 1/8" | – | 1 | 0.001 | – |
| General | flat end mill | 3/16" | – | 1 | 0.002 | – |
| General | flat end mill | 1/4" | – | 1 | 0.003 | – |
| General | flat end mill | 3/8" | – | 1 | 0.004 | – |
| General | flat end mill | 1/2" | – | 1 | 0.006 | – |
| General | flat end mill | 15.9mm | – | 1 | 0.008 | – |
| General | flat end mill | 3/4" | – | 1 | 0.01 | – |
| General | flat end mill | 1" | – | 1 | 0.015 | – |
FAQ
Where does Harvey Tool publish its feeds and speeds?
ChipLoad uses 2 published Harvey Tool sources: https://harveyperformance.widen.net/content/y6bzguxmlo/pdf/SF_855900_M100.pdf; https://www.harveytool.com/resources/general-machining-guidelines. Every row on this page links to the one it came from.
What chip load does Harvey Tool publish for a 1/4 in downcut end mill?
0.0086–0.0099 in per tooth across 2 published settings (acetal / delrin (pom)), depending on material and machine class.