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TungDrillTwisted

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product_Holemaking_TungDrillTwisted

A wide range of indexable drills for various applications

Twisted coolant hole in the drill body provides excellent chip evacuation and surface finish

Applications & Features

Applications

DrillingCoolant hole

Features

1. Rich line-up of drills and Suitable for various applications

  • Drill diameter: ø12.5 – ø 54.0 mm
  • L/D = 2, 3, 4, 5

A wide variety of chipbreakers and grades offers high versatility.

2. Excellent chip evacuation


Coolant hole increases coolant flow by 1.5 times, which improves chip evacuation, resulting in excellent surface finish.

3. TungDrillBig

Drill body with adjustable cartridge covers hole diameter ranges from: øDc: ø55 mm – ø80 mm, L/D = 2.5

  • Highly rigid body and optimized insert position

    Provides well balanced cutting forces and stable machining conditions for highly accurate hole making.

  • Adjustable tool diameter

    TungDrillBig features 5 drill body sizes that can accommodate a range of setting plates covering a diameter range from ø55 mm – ø80 mm.

  • Variety of design options

    TungDrillTwisted and TungDrill-Six type cartridges can be affixed to the same body.

Inserts & Grades

Inserts
TungdrillTwisted Inserts

XPMT-DJ / -DS / -DW / -DG

Inserts for Chamfering Ring

XHGX090700R-45A

Inserts for chamfering tool TDXCF

Main Grades

AH725

   

  • P15 – P30 / M15 – M30 / K25 – K30 / S15 – S25
  • Good balance between wear and chipping resistance
  • Suitable for machining steel and stainless steel under general cutting conditions

T1115

  • K10 – K25
  • High wear resistance
  • Suitable for milling cast iron

AH7020

  • Wear-resistant grade that enables high speed machining in steel and cast iron. Improved machining efficiency with no compromise on tool life.

AH7030

   

  • First-choice grade in all material groups.Extremely fracture resistant, the grade provides predictability in unstable drilling applications that might, otherwise, induce edge chipping.

AH6030

 

  • M25 – M35 / S15 – S30
  • High fracture resistance
  • Suitable for drilling stainless steel and heat-resistant alloy under general cutting conditions

AH9030

 

  • P15 – P35 / K10 – K25
  • High wear resistance
  • Suitable for drilling steel and cast iron at high speed

GH130

 

  • P25 – P40 / M25 – M40 / K25 – K40
  • High chipping and fracture resistance
  • Suitable for steel, stainless steel, and cast iron

Drill bodies & Related tools

Drill Bodies

TDX-F (ø12.5 – ø54 mm)

Indexable insert drills, Flat cotter

Drill Bodies

TDB (ø55 – ø80 mm)

Diameter adjustable with setting plate

Cartridge set

TDXCA (ø55 – ø80 mm)

With setting plate

Drill Bodies

C-TDX

Indexable insert drills with “TungCap” Exchangeable Shanks

Chamfering Ring

TDXCF

Added on coaxial of the drill body

Practical examples

Example #1

Automotive Industry

Part: Pinion
Material: SCM435 / 34CrMo4
Drill: TDX185F25-2
Insert: XPMT06X308R-DW
Grade: AH9030
Cutting conditions: Vc = 160 (m/min)
f = 0.11 (mm/rev)
Vf = 300 (mm/min)
H = 18 (mm)
Coolant: Wet
Machine: NC lathe
Example #2

Automotive Industry

Part: York
Material: S33C
Drill: TDX200F25-3
Insert: XPMT06X308R-DJ
Grade: AH725
Cutting conditions: Vc = 138 (m/min)
f = 0.06 (mm/rev)
Vf = 132 (mm/min)
H = 25 (mm)
Coolant: Wet
Machine: Special-purpose machine
Example #3

Automotive Industry

Part: Connecting rod
Material: S55C
Drill: TDX200F25-3
Insert: XPMT06X308R-DW
Grade: AH725
Cutting conditions: Vc = 90 (m/min)
f = 0.06 (mm/rev)
Vf = 86 (mm/min)
H = 22 (mm)
Coolant: Wet
Machine: Special-purpose machine

Standard cutting conditions

Recommended insert
ISO Workpiece material First choice Wear resistance Chip control
Low carbon steel (C ≤ 0.3%) DJ AH7030 DJ AH7020 DW AH7030 / DG AH725
Carbon steel (C > 0.3%),
Low alloy steel, Alloy steel		 DJ AH7030 DJ AH7020 DW AH7030
Stainless steel DS AH7030 DS AH7020 DJ AH7030
Grey cast irons DJ AH7020 DJ T1115 –
Ductile cast irons DJ AH7030 DJ AH7020 –
Aluminium alloy DJ AH725 – DG AH725
Heat-resistant alloys,
Titanium alloys		 DJ AH7030 DJ AH7020 –
Hardened steel DJ AH7030 DJ AH7020 –
Standard cutting conditions
ISO Workpiece material Hardness Cutting speed
Vc (m/min)		 Series
L/D		 Feed: f (mm/rev)
ø12.5 – ø14.5 ø15 – ø17 ø17.5 – ø26 ø27 – ø32 ø33 – ø54
Low carbon steels (C < 0.3)
SS400, SM490, S25C, etc.
st42-1, St52-3, C25, etc.		 – 200 HB 160 – 320 2D, 3D 0.02 – 0.06 0.02 – 0.06 0.04 – 0.1 0.04 – 0.1 0.04 – 0.1
4D, 5D 0.02 – 0.06 0.02 – 0.06 0.04 – 0.1 0.04 – 0.1 0.04 – 0.1
Carbon steels (C > 0.3)
S45C, S55C, etc. C45, C55, etc.		 – 300 HB 80 – 250 2D, 3D 0.04 – 0.1 0.04 – 0.12 0.06 – 0.13 0.06 – 0.15 0.08 – 0.18
4D, 5D 0.04 – 0.08 0.04 – 0.08 0.06 – 0.1 0.06 – 0.12 0.08 – 0.14
Low alloy steels
SCM415, etc.		 – 200 HB 160 – 250 2D, 3D 0.04 – 0.08 0.04 – 0.08 0.06 – 0.12 0.06 – 0.12 0.06 – 0.14
4D, 5D 0.04 – 0.08 0.04 – 0.08 0.06 – 0.12 0.06 – 0.12 0.06 – 0.14
Alloy steels
SCM440, SCr420, etc.
42CrMo4, 20Cr4, etc.		 – 300 HB 80 – 200 2D, 3D 0.04 – 0.1 0.04 – 0.12 0.06 – 0.13 0.06 – 0.15 0.08 – 0.18
4D, 5D 0.04 – 0.08 0.04 – 0.08 0.06 – 0.1 0.06 – 0.12 0.08 – 0.14
Stainless steels (Austenitic)
SUS304, SUS316, etc.
X5CrNi18-9, X5CrNiMo17-12-2, etc.		 – 200 HB 100 – 200 2D, 3D 0.02 – 0.08 0.02 – 0.08 0.04 – 0.1 0.04 – 0.12 0.04 – 0.12
4D, 5D 0.02 – 0.08 0.02 – 0.08 0.04 – 0.1 0.04 – 0.12 0.04 – 0.12
Stainless steels (Martensitic and ferritic)
SUS430, SUS416, etc.
X6Cr17, X20Cr13, etc.		 – 200 HB 100 – 220 2D, 3D 0.02 – 0.08 0.02 – 0.08 0.04 – 0.1 0.04 – 0.12 0.04 – 0.12
4D, 5D 0.02 – 0.08 0.02 – 0.08 0.04 – 0.1 0.04 – 0.12 0.04 – 0.12
Stainless steels (Precipitation hardening)
SUS630, etc. X5CrNiCuNb16-4, etc.		 – 80 – 120 2D, 3D 0.04 – 0.08 0.04 – 0.08 0.04 – 0.08 0.04 – 0.1 0.06 – 0.1
4D, 5D 0.04 – 0.08 0.04 – 0.08 0.04 – 0.08 0.04 – 0.1 0.06 – 0.1
Grey cast irons
FC250, etc., 250, etc.		 150 – 250 HB 80 – 250 2D, 3D 0.06 – 0.12 0.06 – 0.12 0.06 – 0.15 0.06 – 0.18 0.08 – 0.2
4D, 5D 0.06 – 0.1 0.06 – 0.1 0.06 – 0.12 0.06 – 0.14 0.08 – 0.16
Ductile cast irons
FCD700, etc., 600-3, etc.		 150 – 250 HB 80 – 200 2D, 3D 0.04 – 0.12 0.04 – 0.12 0.06 – 0.15 0.06 – 0.18 0.08 – 0.2
4D, 5D 0.04 – 0.1 0.04 – 0.1 0.06 – 0.12 0.06 – 0.14 0.08 – 0.16
Aluminium alloy
A2017, ADC12, etc.
AlCu4SiMg, AlSi11Cu3, etc.		 – 200 – 400 2D, 3D 0.1 – 0.12 0.1 – 0.15 0.15 – 0.2 0.15 – 0.2 0.15 – 0.25
4D, 5D 0.08 – 0.12 0.08 – 0.12 0.12 – 0.16 0.12 – 0.16 0.12 – 0.2
Heat-resistant alloys
Inconel 718, etc.		 – 40 HRC 20 – 60 2D, 3D 0.04 – 0.08 0.04 – 0.08 0.04 – 0.1 0.04 – 0.1 0.04 – 0.1
4D, 5D 0.04 – 0.08 0.04 – 0.08 0.04 – 0.1 0.04 – 0.1 0.04 – 0.1
Titanium alloys
Ti-6Al-4V, etc.		 – 40 HRC 40 – 120 2D, 3D 0.06 – 0.1 0.06 – 0.1 0.06 – 0.12 0.06 – 0.12 0.06 – 0.12
4D, 5D 0.06 – 0.08 0.06 – 0.08 0.06 – 0.1 0.06 – 0.1 0.06 – 0.1
Hardened steel – 50 HRC 40 – 100 2D, 3D 0.04 – 0.08 0.04 – 0.08 0.04 – 0.1 0.04 – 0.1 0.04 – 0.1
4D, 5D 0.04 – 0.08 0.04 – 0.08 0.04 – 0.08 0.04 – 0.08 0.04 – 0.08
Standard cutting conditions for DG Chipbreaker
ISO Workpiece material Hardness Cutting speed
Vc (m/min)		 Series
L/D		 Feed: f (mm/rev)
ø27 – ø32 ø33 – ø54
Low carbon steels (C < 0.3)
SS400, SM490, S25C, etc.
st42-1, St52-3, C25, etc.		 – 200 HB 60 – 180 2D, 3D
4D, 5D		 0.04 – 0.1

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