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TinyMini-Turn

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product_Turning_TinyMini-Turn

Solid carbide boring bar for small-diameter turning

Extra-fine cutting edge offers high-precision machining for a wide range of internal applications

Applications & Features

Applications

Internal turningInternal groovingInternal threadingFace grooving

Features

1. Strong cutting edge

Optimized geometry and coating surface.

2. Enhanced lineup for a variety of turning operations of small-diameter holes

Full lineup with 146 items of solid carbide boring bars – Minimum boring diameter : øDm = 0.6 mm

 

3. High precision collet chuck sleeves

Functional TinyMiniTurn sleeves ensure stability in boring of small-diameter holes.

Solid Carbide Boring Bars & Grades

Solid Carbide Boring Bars
Internal turning

TinyMini-Turn for Internal Turning

  • Solid carbide boring bars
Internal grooving

TinyMini-Turn for Internal Grooving

  • Solid carbide boring bars
Internal threading

TinyMini-Turn for Internal Threading

  • Solid carbide boring bars
Grades

SH730

  • P20 – P35 / M20 – M35 / S05 – S15
  • High wear resistance
  • Designed for machining steel, stainless steel, and difficult-to-cut material

SH725

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

BX310

  • H01 – H10
  • High wear resistance
  • Designed for high-speed continuous cutting of hardened steel

Inserts & Grades

Inserts

TinyMini-Turn Inserts

Main Grades

SH7025

  • P20 – P30 / M20 – M30
  • The latest grade with sharp cutting edge designed for small part machining.
  • A combination of a columnar-structured TiCN coating and multilayered TiAlN coating provides superior surface quality and process security.

SH725

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

SH730

  • P20 – P35 / M20 – M35 / S05 – S15
  • High wear resistance
  • Designed for machining steel, stainless steel, and difficult-to-cut material

GH110

  • P10 – P20 / M10 – M20 / K10 – K25 / N05 – N15 / S10 – S20
  • High wear resistance

J740

  • Ultra-fi ne-grain cemented carbide coated with TiN-based compoundF

GT9530

  • High wear resistance
  • Excellent surface quality in finishing

NS9530

 

  • High fracture resistance
  • Suitable for finishing to medium cutting of steel

TH10

 

  • P10 / M10 / K10 / N10
  • Uncoated Cemented Carbide

BX310

  • H01 – H10
  • High wear resistance
  • Designed for high-speed continuous cutting of hardened steel

BX470

  • Excellent sharpness
  • Suitable for ferrous sintered metal

DX140

  • High wear resistance
  • Designed for machining non-ferrous metal and nonmetal

Indexable Toolholders

Internal turning

TinyMini-Turn for Internal Turning

  • Solid carbide boring bars

Sleeves

TinyMini-Turn Sleeves

Practical Examples

Standard cutting conditions

Boring, profi ling, chamfering, back boring
ISO Workpiece materials Grade Cutting speed Vc (m/min) Feed f (mm/rev)
Low carbon steels
S15C, S25C, etc.
C15E, C15E4, etc.		 SH725 40 – 140 0.01 – 0.08
Carbon steels, Alloy steels
S55C, SCM440, etc.
C55, 42CrMo4, etc.		 SH725 40 – 140 0.01 – 0.08
Prehardened steels
NAK80, PX5, etc.		 SH725 40 – 140 0.01 – 0.08
Stainless steels
SUS304, SUS316, etc.
X5CrNi18-9, X5CrNiMo17-12-3, etc.		 SH725 40 – 140 0.01 – 0.08
Grey cast irons
FC250, FCD300, etc.
GG25, 250, GG30, 300, etc.		 SH725 30 – 100 0.01 – 0.08
Ductile cast irons
FC450, FCD600, etc.
GGG60, 600-3, etc.		 SH725 30 – 100 0.01 – 0.08
Aluminium alloys,
Copper alloys
Si < 12%		 SH725 90 – 200 0.01 – 0.08
Titanium alloys
Ti-6AI-4V, etc.		 SH725 30 – 100 0.01 – 0.08
Superalloys
Inconel718, etc.		 SH725 30 – 100 0.01 – 0.08
Hardened steel BX310 15 – 100 0.01 – 0.1 *

* Set the D.O.C. and feed according to the tool’s corner radius (RE).

Threading (metric thread)
ISO Workpiece materials Grade Cutting speed
Vc (m/min)		 Number of passes
Pitch (mm)
0.5 0.75 1 1.25 1.5
Low carbon steels
S15C, S25C, etc.
C15E, C15E4, etc.		 SH725 40 – 140 6 – 8 8 – 10 10 – 12 12 – 15 15 – 18
Carbon steels, Alloy steels
S55C, SCM440, etc.
C55, 42CrMo4, etc.		 SH725 40 – 140 6 – 8 8 – 10 10 – 12 12 – 15 15 – 18
Prehardened steels
NAK80, PX5, etc.		 SH725 40 – 140 6 – 8 8 – 10 10 – 12 12 – 15 15 – 18
Stainless steels
SUS304, SUS316, etc.
X5CrNi18-9, X5CrNiMo17-12-3, etc.		 SH725 40 – 140 8 10 12 15 18
Grey cast irons
FC250, FCD300, etc.
GG25, 250, GG30, 300, etc.		 SH725 30 – 100 7 9 12 14 17
Ductile cast irons
FC450, FCD600, etc.
GGG60, 600-3, etc.		 SH725 30 – 100 7 9 12 14 17
Aluminium alloys,
Copper alloys
Si < 12%		 SH725 90 – 200 6 8 10 12 15
Internal grooving
ISO Workpiece materials Grade Cutting speed
Vc (m/min)		 Feed
f (mm/rev)
Low carbon steels
S15C, S25C, etc.
C15E, C15E4, etc.		 SH725 40 – 140 0.01 – 0.03
Carbon steels, Alloy steels
S55C, SCM440, etc.
C55, 42CrMo4, etc.		 SH725 40 – 140 0.01 – 0.03
Prehardened steels
NAK80, PX5, etc.		 SH725 40 – 140 0.01 – 0.03
Stainless steels
SUS304, SUS316, etc.
X5CrNi18-9, X5CrNiMo17-12-3, etc.		 SH725 40 – 140 0.01 – 0.03
Grey cast irons
FC250, FCD300, etc.
GG25, 250, GG30, 300, etc.		 SH725 30 – 100 0.01 – 0.03
Ductile cast irons
FC450, FCD600, etc.
GGG60, 600-3, etc.		 SH725 30 – 100 0.01 – 0.03
Aluminium alloys,
Copper alloys
Si < 12%		 SH725 90 – 200 0.01 – 0.03
Titanium alloys
Ti-6AI-4V, etc.		 SH725 30 – 100 0.01 – 0.03
Superalloys
Inconel718, etc.		 SH725 30 – 100 0.01 – 0.03
Face grooving
ISO Workpiece materials Grade Cutting speed
Vc (m/min)		 Feed
f (mm/rev)
Low carbon steels
S15C, S25C, etc.
C15E, C15E4, etc.		 SH725 40 – 140 0.01 – 0.05
Carbon steels, Alloy steels
S55C, SCM440, etc.
C55, 42CrMo4, etc.		 SH725 40 – 140 0.01 – 0.05
Prehardened steels
NAK80, PX5, etc.		 SH725 40 – 140 0.01 – 0.05
Stainless steels
SUS304, SUS316, etc.
X5CrNi18-9, X5CrNiMo17-12-3, etc.		 SH725 40 – 140 0.01 – 0.05
Grey cast irons
FC250, FCD300, etc.
GG25, 250, GG30, 300, etc.		 SH725 30 – 100 0.01 – 0.05
Ductile cast irons
FC450, FCD600, etc.
GGG60, 600-3, etc.		 SH725 30 – 100 0.01 – 0.05
Aluminium alloys,
Copper alloys
Si < 12%		 SH725 90 – 200 0.01 – 0.05
Titanium alloys
Ti-6AI-4V, etc.		 SH725 30 – 100 0.01 – 0.05
Superalloys
Inconel718, etc.		 SH725 30 – 100 0.01 – 0.05
For new indexable boring bar (EPG*04 / EPG*03 insert)
ISO Workpiece material Grade Cutting speed Vc (m/min)
Low carbon steels
S15C, S25C, etc.
C15E, C15E4, etc.
Carbon steels
S45C, S55C, etc.
C45, C55, etc.
Alloy steels
SCM440, SCr420, etc.
42CrMo4, 20Cr4, etc.		 SH7025 10 – 200
SH725 10 – 200
SH730 10 – 150
J740 10 – 100
NS9530 150 – 300
GT9530 150 – 300
Stainless steels
SUS304, SUS316, etc.
X5CrNi18-9, X5CrNiMo17-12-3, etc.		 SH7025 10 – 200
SH725 10 – 200
SH730 30 – 150
Grey cast iron
FC250, GG25, 250, etc.		 TH10 30 – 100
Aluminium alloys
Si < 12%		 TH10 > 100
DX140 > 500
Aluminium alloys
Si > 12%		 TH10 > 100
DX140 > 400
Copper alloys TH10 > 100
DX140 > 500
Hardened materials BX310 30 – 150
Powder metal Sintered powder metals BX470 100 – 300

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