TetraForce-Cut

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Grooving tools with 4 cutting-edge insert

Ground insert clamps into unique insert pocket and provides high rigidity as well as repeatability

Applications & Features

Applications

External groovingParting-offFace groovingExternal threading

Features

1. Unique 3-point clamping system

The unique pocket design provides accurate indexing repeatability of the cutting edge height.

 

2. Ground or molded chip breakers

Enhanced lineup for greater flexibility.

 

3. Expedited delivery service for special grooving inserts

Inserts & Grades

Inserts

TetraMini-Cut Grooving and Parting-off Inserts (Grooving width 0.33 – 3.0 mm)

  • For precise grooving operation with uniquely designed insert, mainly in swiss and small lathes

TetraForce-Cut Grooving and Parting-off Inserts (Grooving width 0.5 – 4.0 mm)

  • Suitable for accurate grooving with ground 4-edged inserts for wide range of components

TetraMini-Cut Threading Inserts (Pitch 0.4 – 3.0 mm)

  • Threading insert with 4 cutting-edges
Grades

AH7025

  • P20 – P30 / M20 – M30 / S15 – S25
  • Excellent wear resistance and high rigidity
  • First choice for grooving of various materials

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

SH725

  • P20 – P30 / M20 – M30
  • High wear resistance
  • Designed for machining steel and stainless steel

TH10

Toolholders

Grooving & Parting & Threading

TetraMini-Cut Toolholders

Grooving and threading toolholder for swiss and small lathes

Face grooving toolholder

Grooving & Parting & Threading

TetraForce-Cut Toolholders

Grooving and threading toolholder for general lathes

Grooving & Parting & Threading

TetraForce-Cut / TetraMini-Cut modular blade

Modular type toolholder with square shank and PSC connection

Practical examples

Example #1

General Engineering

Part: Shaft stator
Material: S45C / C45
Toolholder: STCR2525-27
Insert: TCS27-200-020
Grade: AH725
Cutting conditions: Vc = 210 (m/min)
f = 0.15 (mm/rev)
CDX = 2 (mm)
CW = 2 (mm)
Application: External grooving
Coolant: Wet
Machine: NC lathe
Example #2

Automotive Industry

Part: Input shaft
Material: SCr420 / 20Cr4
Toolholder: STCR2525Z18
Insert: TCG18R150-020
Grade: AH7025
Cutting conditions: Vc = 100 (m/min)
f = 0.08 (mm/rev)
CDX = 2.1 (mm)
CW = 2 (mm)
Application: External grooving
Coolant: Wet
Machine: NC lathe
Example #3

Miniature / Electronic Industry

Part: Spool shaft
Material: S45C / C45
Toolholder: STCR1010X18
Insert: TCP18R200F-010
Grade: SH725
Cutting conditions: Vc = 43 (m/min)
f = 0.10 (mm/rev)
CDX= 1.5 / 1.1 (mm/min)
CW = 2 / 2.5 (mm)
Application: External grooving
Coolant: Wet
Machine: Swiss lathe

Standard cutting conditions

TCS18R （3D chipbreaker）, TCG18R/L (honed edge)
ISO Workpiece materials Grades Cutting speed
Vc (m/min)		 Feed: f (mm/rev)
TCL18 TCS18 TCG18
Low carbon steel
(S15C / C15, S20C / C20, etc.)		 AH7025 80 – 180 0.03 – 0.12 0.04 – 0.16 0.04 – 0.14
Carbon steels, Alloy steel
(S55C / C55, SCM440 / 42CrMoS4, etc.)		 AH7025 80 – 180 0.03 – 0.12 0.04 – 0.16 0.04 – 0.14
Prehardened steel
(NAK80, PX5, etc.)		 AH7025 80 – 180 0.03 – 0.12 0.04 – 0.16 0.04 – 0.14
Stainless steel
(SUS304 / X5CrNi18-9, X5CrNiMo17-12-2, etc)		 AH7025 50 – 120 0.03 – 0.12 0.04 – 0.16 0.04 – 0.14
Grey cast iron
(FC250 / GG25 / 250, FC300 / GG30 / 300, etc.)		 AH7025 50 – 180 0.03 – 0.12 0.04 – 0.16 0.04 – 0.14
Ductile cast iron
(FCD400 / 400-15, FCD600 / 600-3, etc.)		 AH7025 50 – 180 0.03 – 0.12 0.04 – 0.16 0.04 – 0.14
Titanium alloys (Ti-6AI-4V, etc.) AH7025 30 – 80 0.03 – 0.12 0.04 – 0.16 0.04 – 0.14
Superalloys (Inconel718, etc.) AH7025 20 – 60 0.03 – 0.12 0.04 – 0.16 0.04 – 0.14
TCP18R/L (lightly honed edge) / TCP18R/L-F (sharp edge)
ISO Workpiece materials Priority Grades Cutting speed
Vc (m/min)		 Feed
f (mm/rev)
Low carbon steel
(S15C / C15, S20C / C20, etc.)		 First choice SH725 80 – 180 0.03 – 0.1
Toughness AH725 80 – 180 0.03 – 0.1
Carbon steels, Alloy steel
(S55C / C55, SCM440 / 42CrMoS4, etc.)		 First choice SH725 80 – 180 0.03 – 0.1
Toughness AH725 80 – 180 0.03 – 0.1
Prehardened steel
(NAK80, PX5, etc.)		 First choice SH725 80 – 180 0.03 – 0.1
Toughness AH725 80 – 180 0.03 – 0.1
Stainless steel
(SUS304 / X5CrNi18-9, X5CrNiMo17-12-2, etc)		 First choice SH725 50 – 120 0.03 – 0.1
Toughness AH725 50 – 120 0.03 – 0.1
Grey cast iron
(FC250 / GG25 / 250, FC300 / GG30 / 300, etc.)		 First choice AH725 50 – 180 0.03 – 0.1
Sharpness SH725 50 – 180 0.03 – 0.1
Ductile cast iron
(FCD400 / 400-15, FCD600 / 600-3, etc.)		 First choice AH725 50 – 180 0.03 – 0.1
Sharpness SH725 50 – 180 0.03 – 0.1
Titanium alloys (Ti-6AI-4V, etc.) First choice SH725 30 – 80 0.03 – 0.1
Toughness AH725 30 – 80 0.03 – 0.1
Superalloys (Inconel718, etc.) First choice SH725 20 – 60 0.03 – 0.1
Toughness AH725 20 – 60 0.03 – 0.1
TCT18FR/R-ISO (Full profile threading insert)／TCT18FR (Threading insert)
ISO Workpiece materials Priority Grades Cutting speed
Vc (m/min)		 Pitch (mm) TPI
Low carbon steel
(S15C / C15, S20C / C20, etc.)		 First choice SH725 60 – 150 0.4 – 2.0 64 – 18
Toughness AH725 60 – 150 0.8 – 3.0 32 – 8
Carbon steels, Alloy steel
(S55C / C55, SCM440 / 42CrMoS4, etc.)		 First choice SH725 60 – 150 0.4 – 2.0 64 – 18
Toughness AH725 60 – 150 0.8 – 3.0 32 – 8
Prehardened steel
(NAK80, PX5, etc.)		 First choice SH725 60 – 150 0.4 – 2.0 64 – 18
Toughness AH725 60 – 150 0.8 – 3.0 32 – 8
Stainless steel
(SUS304 / X5CrNi18-9, X5CrNiMo17-12-2, etc)		 First choice SH725 50 – 80 0.4 – 2.0 64 – 18
Toughness AH725 50 – 80 0.8 – 3.0 32 – 8
Grey cast iron
(FC250 / GG25 / 250, FC300 / GG30 / 300, etc.)		 First choice AH725 50 – 100 0.8 – 3.0 32 – 8
Sharpness SH725 50 – 100 0.4 – 2.0 64 – 18
Ductile cast iron
(FCD400 / 400-15, FCD600 / 600-3, etc.)		 First choice AH725 50 – 100 0.8 – 3.0 32 – 8
Sharpness SH725 50 – 100 0.4 – 2.0 64 – 18
Titanium alloys (Ti-6AI-4V, etc.) First choice SH725 30 – 100 0.4 – 2.0 64 – 18
Toughness AH725 30 – 100 0.8 – 3.0 32 – 8
Superalloys (Inconel718, etc.) First choice SH725 30 – 100 0.4 – 2.0 64 – 18
Toughness AH725 30 – 100 0.8 – 3.0 32 – 8
TCL27 / TCS27/ TCS27-R/L / TCS27-Full R/ TCM27 / TCM27-Full R
ISO Workpiece materials Grades Cutting
speed
Vc
(m/min)		 Feed: f (mm/rev) Depth of cut for profiling
(with full radius insert)
Grooving, parting-off Parting-off
(with hand)		 Profiling
(with full radius insert)
TCL27 TCS27 TCM27 TCS27 TCS27 TCM27
Carbon steelsteel
(S45C / C45, etc.)		 AH725 100 – 200 0.03 – 0.12 0.05 – 0.15 0.05 – 0.25 0.04 – 0.12 0.05 – 0.10 0.05 – 0.15 0.5
Alloy steel
(SCM435 / 34CrMo4, etc.)		 AH725 50 -180 0.03 – 0.12 0.05 – 0.15 0.05 – 0.25 0.04 – 0.12 0.05 – 0.10 0.05 – 0.15 0.5
 Stainless steel
(SUS304 / X5CrNi18-9, etc.)		 AH725 100 – 150 0.03 – 0.12 0.05 – 0.15 0.05 – 0.20 0.04 – 0.12 0.05 – 0.10 0.05 – 0.15 0.5
Grey cast iron
(FC250 / 250 / GG25, etc.)		 AH725 50 – 180 0.03 – 0.12 0.05 – 0.15 0.05 – 0.25 0.04 – 0.12 0.05 – 0.10 0.05 – 0.15 0.5
Ductile cast iron
(FCD400 / 400-15 / GGG400, etc.)		 AH725 50 – 120 0.03 – 0.12 0.05 – 0.15 0.05 – 0.20 0.04 – 0.12 0.05 – 0.10 0.05 – 0.15 0.5
Titanium alloys
(Ti-6Al-4V, etc.)		 AH725 30 – 60 0.03 – 0.12 0.05 – 0.15 0.05 – 0.15 0.04 – 0.12 0.05 – 0.10 0.05 – 0.10 0.5
Superalloys (Inconel718, etc.) AH725 20 – 50 0.03 – 0.12 0.05 – 0.15 0.05 – 0.15 0.04 – 0.12 0.05 – 0.10 0.05 – 0.10 0.5
TCL38
ISO Workpiece materials Grades Cutting speed
Vc
(m/min)		 Feed: f (mm/rev)
Grooving,
Parting
TCL38
Carbon steel
(S45C / C45, etc.)		 AH7025 80 – 180 0.03 – 0.18
Alloy steel
(SCM435 / 34CrMo4, etc.)		 AH7025 50 – 180 0.03 – 0.18
Alloy steel
(SCM435 / 34CrMo4, etc.)		 AH7025 50 – 150 0.03 – 0.14
Grey cast iron
(FC250 / 250 / GG25, etc.)		 AH7025 50 – 180 0.03 – 0.14
Ductile cast iron
(FCD400 / 400-15 / GGG400, etc.)		 AH7025 50 – 120 0.03 – 0.14
Titanium alloys
(Ti-6Al-4V, etc.)		 AH7025 30 – 60 0.03 – 0.14
Superalloys (Inconel718, etc.) AH7025 20 – 50 0.03 – 0.14

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