Sherline 5000 Mill General Manual

SPEED ADJUSTMENT CHART
END MILLS (Slot and side milling)
MATERIAL
CUT SPEED
(S.F.M.)
1/8"
DIA.
1/4"
DIA.
3/8"
DIA.
Stainless Steel, 303 40 1200 RPM 600 RPM 400 RPM
Stainless Steel, 304 36 1100 500 350
Stainless Steel, 316 30 900 450 300
Steel, 12L14 67 2000 1000 650
Steel, 1018 34 1000 500 350
Steel, 4130 27 800 400 250
Gray Cast Iron 34 1000 500 350
Aluminum, 7075 300 2800 2500 2000
Aluminum, 6061 280 2800 2500 2000
Aluminum, 2024 200 2800 2500 2000
Aluminum, Cast 134 2800 2000 1300
Brass 400 2800 2800 2800
DRILLS
MATERIAL
CUT SPEED
(S.F.M.)
1/16" DIA. 1/4" DIA.
Carbon Steel 36 2000 RPM 550 RPM
Cast Iron, Soft 30 1800 450
Stainless Steel 24 1400 360
Copper 72 2000 1100
Aluminum, Bar 240 2000 2000
Aluminum, Cast 120 2000 2000
FIGURE 11-End mill and drill speed adjustment chart.