Here we collect our experiences with CNC milling or routing different materials. Please add more information if you try something new (whether it's a success or not)!
| operation
|
mill
|
spindle speed
|
feedrate
|
pass depth
|
plunge rate
|
results
|
comments
|
| 2D contour
|
8 mm flat endmill, Z=2 (Sorotec UNI)
|
16000 rpm ("1" on DeWalt 611)
|
2000 mm/min
|
3 mm
|
|
excellent
|
black (Bauhaus)
- two roughing and one finishing pass
- tabs to hold down work piece
|
| 2D contour
|
8 mm flat endmill, Z=3 (cheap "VHM")
|
21000 rpm ("3-4" on DeWalt 611)
|
1000 mm/min
|
2 mm
|
|
terrible
|
Bauhaus
- loss of steps or drift along x-axis
- overheated mill, black, dull
|
| pocket clearing
|
8 mm flat endmill, Z=2 (Sorotec UNI)
|
16000 rpm ("1" on DeWalt 611)
|
2000 mm/min
|
3 mm
|
|
excellent
|
black (Valchromat)
|
| 2D chamfer
|
8 mm chamfer mill, Z=4
|
16000 rpm ("1" on DeWalt 611)
|
2000 mm/min
|
|
|
excellent
|
black (Valchromat)
|
| pocket operation
|
1 mm flat endmill
|
16000 rpm ("1" on DeWalt 611)
|
400 mm/min
|
2 mm
|
|
excellent
|
black (Bauhaus)
|
| drilling holes, pocket
|
1/4 inch Kyocera 1620 - 2500.500 flat endmill, 2 flute
|
16000 rpm ("1" on DeWalt 611)
|
1000 mm/min
|
2.5 mm
|
333 mm/min
|
|
| operation
|
mill
|
spindle speed
|
feedrate
|
pass depth
|
plunge rate
|
results
|
comments
|
| pocket operation
|
3 mm flat endmill, 4 flute
|
17000 rpm ("1-2" on DeWalt 611)
|
660 mm/min
|
0.4 mm
|
|
quite good
|
|
Polycarbonate
| operation
|
mill
|
spindle speed
|
feedrate
|
pass depth
|
plunge rate
|
results
|
comments
|
| pocket operation & contur
|
3 mm flat endmill, 4 flute
|
17000 rpm ("1-2" on DeWalt 611)
|
900 mm/min
|
0.8 mm
|
660 mm/min
|
quite good
|
|
