Page 861 - Tungaloy Catalog

TDS type

Standard cutting conditions

Cutting Feed: f (ipr)
Selection Chip- Grade speed
ISO Workpiece materials breaker øDc (inch)
criteria
Vc (sfm) ø2.250 - 2.868 ø2.921 - 3.157
First choice DS AH6030 525 - 1050 0.0015 - 0.004 0.0015 - 0.004
Low carbon steels (C<0.3)
70, 1025 etc. For wear
resistance DJ AH9030 525 - 820 0.0015 - 0.004 0.0015 - 0.004
First choice DJ AH9030 260 - 820 0.002 - 0.007 0.002 - 0.008
Carbon steels (C>0.3)
1045C, 1055 etc. For impact
resistance DS AH6030 260 - 820 0.002 - 0.006 0.002 - 0.006
First choice DS AH6030 260 - 660 0.0015 - 0.005 0.0015 - 0.005
Low alloy steels
For wear
resistance DJ AH9030 260 - 660 0.002 - 0.006 0.002 - 0.006
First choice DJ AH9030 330 - 660 0.002 - 0.007 0.002 - 0.008
Alloy steels
4140 etc.
For impact
resistance DS AH6030 260 - 660 0.0015 - 0.006 0.0015 - 0.006
First choice DS AH6030 330 - 660 0.0015 - 0.005 0.0015 - 0.005
Stainless steels (Austenitic)
304, 316 etc.
― DJ AH9030 330 - 660 0.0015 - 0.005 0.0015 - 0.005
Stainless steels First choice DS AH6030 330 - 660 0.0015 - 0.005 0.0015 - 0.005
(Martensitic and ferritic)
430, 416 etc. ― DJ AH9030 330 - 660 0.0015 - 0.005 0.0015 - 0.005
Stainless steels First choice DS AH6030 260 - 400 0.0015 - 0.004 0.0015 - 0.004
(Precipitation hardening)
S17400 etc. ― DJ AH9030 260 - 400 0.0015 - 0.004 0.0015 - 0.004
First choice DJ AH9030 260 - 820 0.002 - 0.008 0.002 - 0.009
Gray cast irons
No.250B etc. For impact
resistance DS AH6030 260 - 660 0.002 - 0.006 0.002 - 0.007

Ductile cast irons First choice DJ AH9030 260 - 660 0.002 - 0.007 0.002 - 0.008
700 etc.
For impact 0.002 - 0.006 0.002 - 0.007
resistance DS AH6030 260 - 500 11
First choice DS AH6030 660 - 1300 0.004 - 0.009 0.004 - 0.010
Aluminum alloy
― DJ AH9030 660 - 1300 0.004 - 0.009 0.004 - 0.010
First choice DS AH6030 60 - 200 0.0015 - 0.004 0.0015 - 0.004
High temperature alloy Drilling Tools
Innconel718 etc
― DJ AH9030 60 - 200 0.0015 - 0.004 0.0015 - 0.004
First choice DS AH6030 130 - 400 0.002 - 0.006 0.002 - 0.006
Titanium alloy
Ti-6Al-4V etc.
― DJ AH9030 130 - 400 0.002 - 0.006 0.002 - 0.006
First choice DJ AH9030 170 - 330 0.0015 - 0.004 0.0015 - 0.004
Hardened steel
Over 40HRC For impact DS AH6030 130 - 260 0.0015 - 0.004 0.0015 - 0.004
resistance
Caution 35 f = 0.004 ipr Vc = 600 sfm
f = .004 ipr
f = .006 ipr
Machine 30 f = 0.006 ipr Cutting coolant
f = .008 ipr
f = 0.008 ipr
Use drills on a fully covered machine to maintain 25 Use water soluble type coolant
safety. Power consumption (kW) 20 with internal supply.
Use drills on a high powered machine such as a 15 Coolant pressure higher than 1MPa is
CAT50. essential.
Figure on right shows reference of required 10 2.2 2.4 2.6 2.8 3 3.2
machine power.
Tool diameter: øDc (inch)

Relating Cutting Conditions Technical reference 11–45
pages (11-14 ) (14-1)