User:Stever/boxford/speedsnfeeds
All recipes from personal experience and tested
Key
Colour | Meaning |
---|---|
Blue | Not (proven) a maximum, could do more |
Green | A demonstrated maximum, any more will break tools |
Red | Known to be excessive, will break tools |
Aluminium
Roughing
Tool Size/type | Material | Coating |
Surface speed (RPM) |
DOC | WOC |
FTP (feed rate) |
Comment |
---|---|---|---|---|---|---|---|
12mm 4-flute flat end mill | HSS | Uncoated | 100m/min | 10mm | 4mm |
0.03 (250mm/min) |
Noisy and spindle only just copes, definitely a maximum, use conventional milling only |
5mm 4-flute flat end mill | HSS | Uncoated |
40m/min (2500rpm) |
5mm | 1.5mm |
0.02 (200mm/min) |
Good finish, not a maximum could have done more |
2mm 2-flute ball nose end mill | HSS | TiAlN coated |
15m/min (2500rpm) |
0.5mm | 0.5mm |
0.015 (150mm/min) |
Too much, breaks cutters |
H-13 Tool Steel
Roughing
Tool Size/type | Material | Coating |
Surface speed (RPM) |
DOC | WOC |
FTP (feed rate) |
Comment |
---|---|---|---|---|---|---|---|
6mm 4-flute flat end mill | solid carbide | TiAlN coated | 35m/min | 7mm | 0.5mm |
0.04mm |
Width is at maximum, depth might be deeper |
1mm 3-flute flat end mill | Solid Carbide | TiAlN coated |
9.4m/min (3000rpm) |
0.5mm | 0.5mm |
0.0022mm (20mm/min) |
Might handle more but only one test was made |
Finishing
Tool Size/type | Material | Coating |
Surface speed (RPM) |
DOC | WOC |
FTP (feed rate) |
Comment |
---|---|---|---|---|---|---|---|
20 degree 0.3mm tip engraver 1/8" shank | solid carbide | TiAlN coated |
30m/min (calculated) (3000rpm) |
0.5 mm | 0.15mm |
0.0026 (8mm/min) |
Too much, breaks the tip off |
Drilling
Tool Size/type | Material | Coating |
Surface speed (RPM) |
FTP (feed rate) |
Comment |
---|---|---|---|---|---|
6mm 2-flute jobber drill | HSS | TiN |
14m/min (730rpm) |
0.02mm (15mm/min) |
Was in danger of stalling spindle, definitely the maximum size that can be drilled in this material |