© by Walter AG

1 | July 2013 | VM | Helmut Gschrey

X�treme D40 (Depth of cut of 40 times Dc)1. Product description

End of 4-lands

TTP-Coating- for highest tool life- for minimal adhesion

Polished flute- Secure chip evacuation

New Point geometry- Point angle 130°

Ø-Tolerancee7- Fits to the Pilot-Drills tolerance

© by Walter AG

2 | July 2013 | VM | Helmut Gschrey

X�treme D401. Product description

• Solid Carbide High Performance deep hole drill– With internal coolant

• 4-lands

• Coating– TTP

• 130° Point angle

• Dimensions– Walter Norm 40xDc

• Ø-range 4,5 - 11 mm– Ø-Tolerance = e7

• Shank according DIN 6535 HA– Shank-Ø-Tolerance = h6

© by Walter AG

3 | July 2013 | VM | Helmut Gschrey

X�treme D402. Lab tests

Material− C 45 / 1.0503 / 1045− Tensile strength Rm = 750 N/mm²

Adapter− HSK 63, Shrink Fit

Operation− Piloting with A6589DPP-5

− 60mm− Deep hole drilling with A7495TTP-5

− 200mm

© by Walter AG

4 | July 2013 | VM | Helmut Gschrey

X�treme D402. Lab tests

Tool− X�treme D40− A7495TTP-5

Data− vc = 90 m/min− rev. = 5730 RPM− f = 0,16 mm− vf = 916 mm/min− depth = 200 mm

© by Walter AG

5 | July 2013 | VM | Helmut Gschrey

X�treme D402. Lab tests

Competitor_1 Competitor_2 Competitor_3X·treme D40

© by Walter AG

6 | July 2013 | VM | Helmut Gschrey

X�treme D402. Lab tests

32.1

21.21

4.55

22.26

0.0

5.0

10.0

15.0

20.0

25.0

30.0

35.0

Walter Competitor 1 Competitor 2 Competitor 3

Tool life [m]

© by Walter AG

7 | July 2013 | VM | Helmut Gschrey

X�treme D402. Lab tests

32.1

21.21

4.55

22.26

0.0

10.0

20.0

30.0

40.0

Walter Competitor 1 Competitor 2 Competitor 3

Tool life

[m]

tool_1

broke

tool_2

broke

tool_1

broke

tool_2

broke

© by Walter AG

8 | July 2013 | VM | Helmut Gschrey

Designation Dimensions Shank Ø-range Tolerance

A7495TTP Walter Norm 40xDc HA 4,5 – 11 e7

X�treme D404. Product program

© by Walter AG

9 | July 2013 | VM | Helmut Gschrey

X�treme D404. Product program: overview of our Pilot drills

XD PilotA6181TFT

X�treme Pilot 180A7191TFT

X�treme Pilot 180CK5191TFT

Pilot hole right angle to surface

X�treme Pilot Step 90K3281TFT

Uneven entering

Conical pilot hole� No step between Pilot-

and deep hole

Uneven entering

(uneven, rounded surfaces, etc.)

© by Walter AG

10 | July 2013 | VM | Helmut Gschrey

X�treme D404. Product program: overview of our XD drills

Alpha®4 XD20A6785TFP

Alpha®4 XD25A6885TFP

Alpha®4 XD16A6685TFP

Alpha®4 XD30A6985TFP

X�treme D12A6589DPP

X�treme D8A6489DPP

X�treme D40A7495TTP

20xDc

25xDc

16xDc

30xDc

12xDc

8xDc

40xDc

© by Walter AG

11 | July 2013 | VM | Helmut Gschrey

X�treme D405. Application area

ISO –material groups

Text

Application

Additionalinformation

recommended coolant pressure: 40 bar

P M K N S H O

© by Walter AG

12 | July 2013 | VM | Helmut Gschrey

Automotive

• Piston rod

• Gear box

• Crank shaft

• Con rod

General engineering

• Valves

• Control blocks

X�treme D405. Application area

Mold- and Die

• Coolant holes

© by Walter AG

13 | July 2013 | VM | Helmut Gschrey

Thank you!