Page 646 - Tungaloy Catalog

TUNG-TRI

Standard cutting conditions

ISO Workpiece materials Hardness Grades Cutting speed: Vc (sfm) Feed per tooth: fz (ipt)
T/EPA06 T/EPA10 T/EPA15 T/EPA06 T/EPA10 T/EPA15
Low carbon steels 0.002 - 0.003 - 0.003 -
1015 etc. - 200 AH3135 330 - 720 330 - 820 330 - 820 0.006 0.008 0.01
High carbon steels 0.002 - 0.003 - 0.003 -
1045 etc. 200 - 300 AH3135 330 - 560 330 - 660 330 - 750 0.005 0.006 0.008
Alloyed steels 0.002 - 0.003 - 0.003 -
4140 etc. 200 - 300 AH3135 330 - 560 330 - 660 330 - 750 0.005 0.006 0.008
Tool steels 0.002 - 0.003 - 0.003 -
H13 etc. 150 - 300 AH3135 330 - 390 330 - 500 330 - 600 0.005 0.006 0.008
EPA10 EPA15
SR14-562/S TS45120I Stainless steels - AH3135 260 - 490 260 - 660 330 - 660 0.002 - 0.003 - 0.003 -
BLDT10/S7 BT20S 304 etc. 0.006 0.006 0.008
SW6-SD H-TBS Gray cast irons 150 - 250 AH120 330 - 660 330 - 820 330 - 820 0.002 - 0.005 - 0.003 -
- - No.250B etc. 0.006 0.01 0.01
Ductile cast irons 0.002 - 0.005 - 0.003 -
65-45-12 etc. 150 - 250 AH120 260 - 490 260 - 660 260 - 660 0.006 0.01 0.01
Titanium alloy AH120 0.002 - 0.003 - 0.003 -
Ti-6Al-4V etc. - 65 - 165 60 - 200 60 - 200 0.004 0.006 0.007
Heat-resistance alloy 0.001 - 0.003 - 0.003 -
Inconel 718 etc. - AH120 65 - 115 60 - 130 60 - 130 0.003 0.005 0.006
· To remove excessive chip accumulation use an air blast. · Cutting conditions are limited by machine power,
· When cutting an interrupted surface or a casted skin, workpiece rigidity, and spindle output. When the cutting
the feed per tooth (fz) should be reduced to the lower width, depth, or overhang length is large, set Vc and fz to
recommended value shown in the above table. the lower recommended values and check the machine
power and vibration.
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TAC Mills

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