Page 830 - Tungaloy Catalog

Standard cutting conditions of TDX-type

Troubleshooting Cutting Feed (ipr)
First Series
Work materials Highfeed Highspeed Surface speed f0.500 - f0.750 - f1.062 - f1.312 -
choice Breakage Wear L/D
finish Vc(SFM) f0.687 f1.00 f1.250 f2.00
Low carbon steels(C<3) DS DW DW 2D,3D .001 - .005 .002 - .004 .002 - .004 .002 - .004
JIS 525-1050
SS400,SM490,S25C,etc. AH725 AH725 AH120 4D,5D .001 - .002 .002 - .004 .002 - .004 .002 - .004
Carbon steels(C<3) DJ DW DS DW DJ DW 2D,3D .002 - .005 .002 - .006 .002 - .006 .003 - .007
JIS S45C,S55C,etc. AH725 AH725 AH120 AH725 T1015 AH740 250-800 4D,5D .002 - .003 .002 - .004 .002 - .005 .003 - .006
Low alloy steels DS DW DW 2D,3D .002 - .003 .002 - .005 .002 - .005 .002 - .006
JIS SCM415,etc. AH725 AH725 AH725 525-800 4D,5D .002 - .003 .002 - .005 .002 - .005 .002 - .006
Alloy steels DJ DW DS DW DJ DW 2D,3D .002 - .005 .002 - .006 .002 - .006 .003 - .007
JIS SCM440,SCr420,etc. AH725 AH725 AH120 AH725 T1015 AH725 250-650 4D,5D .002 - .003 .002 - .004 .002 - .005 .003 - .006
Stainless steels DS DS DW 2D,3D .001 - .003 .002 - .004 .002 - .005 .002 - .005
Austenitic 325-650
JIS SUS304,SUS316,etc. AH725 AH725 AH120 4D,5D .001 - .003 .002 - .004 .002 - .005 .002 - .005
Stainless steels DS DS DW 2D,3D .001 - .003 .002 - .004 .002 - .005 .002 - .005
Martensitic and ferritic 325-725
JIS SUS430,SUS416,etc. AH725 AH725 AH120 4D,5D .001 - .003 .002 - .004 .002 - .005 .002 - .005
Stainless steels DS DS DW 2D,3D .002 - .003 .002 - .003 .002 - .004 .002 - .004
Precipitation hardening 250-400
JIS SUS630,etc. AH725 AH725 AH120 4D,5D .002 - .003 .002 - .003 .002 - .004 .002 - .004
Gray cast irons DJ DJ DJ DW 2D,3D .002 - .005 .002 - .006 .002 - .007 .003 - .008
JIS FC250,etc. T1015 AH725 AH725 AH740 250-800 4D,5D .002 - .004 .002 - .005 .002 - .006 .003 - .006
Ductile cast irons DJ DJ DJ DW 2D,3D .002 - .005 .002 - .006 .002 - .007 .003 - .008
JIS FCD700,etc. T1015 AH725 AH725 AH740 250-650 4D,5D .002 - .004 .002 - .005 .002 - .006 .003 - .006
Aluminum alloys DW 2D,3D .004 - .006 .006 -.008 .006 - .008 .006 - .010
JIS A2017,ADC12,etc. AH725 650-1300 4D,5D .003 - .005 .005 - .006 .005 - .006 .005 - .008
DS 2D,3D .002 - .004 .002 - .004 .002 - .005 .002 - .006
Super Alloys 100-200
AH120 4D,5D .002 - .004 .002 - .004 .002 - .004 .002 - .005
DS 2D,3D .002 - .004 .002 - .004 .002 - .004 .002 - .004
Titanium 100-200
AH120 4D,5D .002 - .004 .005 - .004 .002 - .003 .002 - .003
• When using the smaller side of the diameter range, the feed rate • For high feed machining, apply a feed rate that is approximately 1.5
should be set lower. times the standard feed conditions.
• For work materials of 40 HRC, the feed rate should be set below • High speed machining means cutting speeds over 490 SFM.
50%. • When using DW insert for troubleshooting, use it within the range of
• For difficult-to-cut materials (heat resistant alloys, etc.), the cutting standard cutting conditions.
speed should be set 25% below that of carbon steels.
Applications of insert grades

NEW First choice: for steels and stainless steels NEW New grade for cast irons

11 AH725 PVD coated carbide T1115 CVD coated carbide

Improved wear and fracture resistance combined with new (Ti, By combining specially designed hard carbide substrate with
AI)N coating and well-balanced substrate.
newly developed multilayer compound coatings, this grade
Drilling Tools AH120 PVD coated carbide provides excellent wear resistance in machining cast irons.
AH740 PVD coated carbide
For stainless steels
By combining ultra fine grain cemented carbide with “Flash-
By combining highly reliable carbide substrate with General purpose grade
“Flashcoat”, this grade provides superior impact resistance coat”, this grade provides both wear resistance and impact
and wear resistance in high-speed machining. Suitable for resistance. Can be used for a wide range of applications.
drilling stainless steels.

Application area of each insert

T1115 T1115
Cast iron Cast iron AH725
AH725
AH740 AH740

Steel Steel

AH120 AH120
Stainless Stainless
.002 .004 .006 .008 330 500 650 820 1000
Feed: f (ipr) Cutting speed: Vc (sfm)

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