Page 210 - Tungaloy Catalog

PCD grades

T-DIA series

Expanded product line allows T-DIA tools to be applied
to wider work materials and cutting conditions.

3 Features and applications (Physical and mechanical properties)

DX110 DX120 DX140 DX160 DX180
PCD and PCBN Tools Property Super fine grained grade. Excels in surface finish. General purpose grade High purity grade for Highly wear resistant grade

Grade

Fine grained grade.
for special applications
Excels in surface finish.
hard materials
Approx.
grain size
of diamond
(μm)
Hardness < 1 4.5 12.5 28 45
(Hv) 6000 12000
(Harder)
Wear
resistance Higher
Grindability
(Cutting Better
edge
sharpness)
Note: T-DIA grades are not suitable for ferrous materials (such as hardened steel, chilled cast iron), and Ni- or Co-base superalloys.
Cutting performance (Wear resistance)
When machining aluminum alloy: Continuous external turning When machining FRP: Face milling
d Work material: 10 % Si, aluminum alloy .0008 Competitor A d Work material: Fiber reinforced plastics (FRP)
.002
Flank wear width VB (in) .0012 d Toolholder: CSBPR2525M4 Flank wear width VB (in) .0004 0 3 6 12 Competitor C d Milling cutter: TPG4208R-A
d Insert: SPGN 422-DIA
d Insert: SPCN42ZFR-DIA
Competitor B
.0016
d Cutting speed: vc = 500 m/min
DX140
d Cutting speed: v c = 3090 SFM
d Feed: f = .004 in/rev
d Feed: f = .004 in/rev
.0008
d Depth of cut: ap = .020 in
d Depth of cut: ap = .059 in
.0004
0
d Time in cut: 30 min
DX120 DX140 DX160 d Coolant: Dry cutting Time in cut (min) d Coolant: Dry cutting
Grade selection guide
DX120 DX110
Excels in cutting-edge Super fine grained
d For precision machining sharpness and impact grade
resistance.
DX140 d When good surface finish is
required.
Basic selection d When interrupted cutting is
(General purpose grade) involved.
DX160 DX180
Superior wear Special purpose
d When machining hard materials resistance d When requiring higher wear grade
such as high silicon aluminum alloys resistance than DX160 (such
(Si > 12 %) as when machining high
d Simultaneous machining of aluminum silicon materials, cemented
alloy and cast iron. carbides, semi-sintered
d When high wear resistance is ceramics, etc.)
required.
Standard cutting conditions for turning
Cutting speed Feed Grade applicability
Work material Depth of cutap (in)
vc (m/min) f (in/rev) DX110 DX120 DX140 DX160 DX180
Aluminum alloys (Si < 12 %) 3300 - 8200 .002 - .078 .002 - .008 s s
Aluminum alloys (Si > 12 %) 1300 - 2630 .002 - .078 .002 - .008 s
Copper, brass 1640 - 4920 .002 - .078 .002 - .008 s s
Phosphor bronze 980 - 1640 .002 - .078 .002 - .008 s s
Carbon, graphite 980 - 1640 .002 - .078 .002 - .008
FRP 1640 - 3300 .001 - .004 .001 - .004 s s
Plastics 1640 - 3300 .001 - .004 .001 - .002 s s
Cemented carbides (D40 ~ D60) 30 - 65 .001 - .002 .001 - .002 s
Semi-sintered ceramics 330 - 500 .001 - .004 .001 - .004 s
Note: :First choice s : Second choice
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