DoForce-Tri

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High productive and cost-effective shoulder milling cutter

Economical shoulder mill with an innovative 6-edged geometry for maximum performance in various applications

Applications & Features

Applications

Shoulder millingShoulder milling RSlottingSlotting RSide milling

Features

1. Innovative insert design for improved productivity

Inserts are available in 2 sizes for maximum density and cutting depths over conventional double-sided 6-edged inserts

2. High machining flexibility

The cutting edge is configured with a large curve with an optimal inclination

Inserts & Grades

Inserts

TN*U

  • Maximum depth of cut
    – TN*U07: 6.5 mm
    – TN*U12: 11 mm
Grades

AH3135

P30 – P40 / M30 – M40

  • High fracture resistance
  • Suitable for machining steel and stainless steel under general cutting conditions

AH120

P15 – P25 / M15 – M25 / K15 – K30 / S10 – S25

  • Good balance between wear and fracture resistance
  • Suitable for machining steel, stainless steel, and cast iron under general cutting conditions

Cutter bodies

Shank Type

EPTN07/12 (ø18 – ø40 mm)

Cylindrical type holder for shoulder milling

Bore Type

TPTN12 (ø50 – ø160mm)

Bore type for shoulder milling

Practical examples

Example #1

Automotive Industry

Part: Crankshaft
Material: S55C / C55
Cutter: TPTN12M160B40.0R10N (ø160, z = 10)
Insert: TNMU120708PER-MJ
Grade: AH3135
Cutting conditions: Vc = 135 (m/min)
fz = 0.157 (mm/t)
Vf = 420 (mm/min)
ap = 3 (mm)
ae = 125 (mm)
Application: Shoulder milling
Coolant: Air blow
Machine: Horizontal boring M/C, BT50
Example #2

General Engineering

Part: Machine part
Material: SUS304 / X5CrNi18-9
Cutter: EPTN07M025C25.0R04 (ø25, z = 4)
Insert: TNMU070308PER-MJ
Grade: AH3135
Cutting conditions: Vc = 196 m/min
fz = 0.13 mm/t
Vf = 1298 mm/min
ap = 2 mm
ae = 25 mm
Application: Grooving
Coolant: Air
Machine: Horizontal M/C, BT40
Example #3

Automotive Industry

Part: Bearing housing
Material: FC250 / GG25 / 250
Cutter: EPTN07M032C32.0R05 (ø32, z = 5)
Insert: TNMU070308PER-MJ
Grade: AH3135
Cutting conditions: Vc = 320 m/min
fz = 0.06 mm/t
Vf = 960 mm/min
ap = 2 mm
ae = 24 mm
Application: Grooving
Coolant: Air
Machine: Horizontal M/C, BT40

Standard cutting conditions

For more information about this product, visit our online e-catalog or download the product report:

e-Catalog Metric  |  Imperial
PDF Metric  |  Imperial

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