Page 1 - chamfer mills - carbide-small
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Chamfer Mills — Carbide
These Values are a Starting Point Based on a Uncoated Tool.
For ALTIN Coated Tools Increase Values by up to +40%
SFM & CHIP LOAD
MATERIAL /TYPE (<32 HRc) SFM SUGGESTED CHIP LOAD PER TOOTH
1/8" 3/16" 1/4" 5/16" 3/8" 1/2"
NON FERROUS
Alluminum Alloys - 2024-T4/T6, 2014, 6061-T6/T651, 7075-T68 500 - 1000 .001 .002 .002 .002 .003 .004
Copper - Yellos Brass, High Lead Brass, Red Brass 400 - 750 .001 .001 .002 .002 .0025 .003
Copper Alloys - Alum/Bronze, Low Silicon Bronze 400 - 500 .001 .001 .002 .002 .0025 .003
Magnesium - De-Cat, Extruded 450 - 650 .001 .002 .002 .002 .003 .004
Plastics, Arcylics, Phenolics - Polysulfone 100 - 300 .001 .002 .003 .003 .004 .006
Carbon, Graphites 100 - 200 .040 .040 .060 .060 .080 .010
STAINLESS STEEL
Precipitation - 13/8, 15/5, AM-350/355 40 - 125 .0005 .0005 .001 .001 .001 .002
Austenic - 200 Series, 302, 303, 304L, 316L 50 - 175 .0001 .0002 .0005 .0005 .001 .0015
Martensitic - 403, 410, 416 50 - 125 .0001 .0002 .0005 .0005 .0005 .001
HIGH TEMP ALLOYS
Cobalt Base - Stellite, HS-21, Haynes25/188, X-40, L-605 30 - 50 .0004 .0005 .001 .001 .001 .001
Iron Base - Incoly 600-802, Multimet N-155, Timkin 16-25-6 40 - 65 .0005 .0005 .001 .001 .0015 .002
Titanium Alloys - 6Al-4V, ASTM 1/2/3, 6 AL-25N-4ZR-2MO-SI 25 - 125 .0005 .0005 .0005 .0005 .001 .001
STEEL
High Strength Steels - 4340, 6150, 52100, H-11, H-13 25 - 125 .0005 .0005 .001 .001 .001 .001
High Alloy Steels - A-2/6/10, P-3/10, 01, 02, 06 50 - 150 .0005 .0005 .001 .001 .001 .001
Medium Alloy Steels - 200, 250, 300 75 - 175 .0005 .0005 .001 .001 .002 .0025
Low Alloy Steels Maraging - 10XX, 11XX, 13XX 50 - 200 .0005 .001 .0015 .0015 .002 .003
CAST IRON
Ductile Iron - Ductile Cast Iron 50 - 200 .0005 .001 .0015 .0015 .002 .002
Cast Iron - Gray Cast Iron 50 - 200 .0005 .001 .002 .002 .003 .004
TO CALCULATE THREADMILLS - CALCULATION FORMULAS
RPM
IPM USE THIS FORMULA
_______S_F_M__x__3_.8________
(Threadmill Diameter)
(Inches Per Tooth) x (Number of Flutes) x RPM
