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SH7025

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Superior surface quality and process security in small part machining

Cutting edge sharpness is maintained over a long period of time, providing light cutting and excellent surface finish

Applications & Features

Applications

External turningInternal turningExternal groovingExternal threading

Features

1. For high surface quality

Built-up edge resistant TiCN coating improves surface fi nish quality.

2. Extremely long tool life

Wear-resistant columnar-structured TiCN coating ensures long tool life.

3. Superior process security

Chipping-resistant multi-layered TiAlN coating provides process security.

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.

Practical examples

Example #1
Workpiece type: Guide for linear motion bearing
Workpiece material: SUS316
Insert: DCGT11T302FN-JP
Grade: SH7025
Cutting conditions: Vc = 150 (m/min)
f = 0.03 (mm/rev)
ap = 0.1 (mm)
Machining: External and face turning
Coolant: Wet
Example #2
Workpiece type: Spool pin
Workpiece material: SCM415
Insert: DCGT11T302FN-JP
Grade: SH7025
Cutting conditions: Vc = 150 (m/min)
f = 0.03 (mm/rev)
ap = 0.05 (mm)
Machining: External and face turning
Coolant: Wet
Example #3
Workpiece type: Pin
Workpiece material: SUS410 / X12Cr13
Insert: DCGT11T301FN-JP
Grade: SH7025
Cutting conditions: Vc = 2,000 (m/min)
f = 0.05 (mm/rev)
ap = 0.5 (mm)
Machining: External turning
Coolant: Wet
Example #4
Workpiece type: Flange
Workpiece material: SUM23
Insert: DCGT11T302FN-JS
Grade: SH7025
Cutting conditions: Vc = 1,300 (m/min)
f = 0.03 – 0.05 (mm/rev)
ap = 3 (mm)
Machining: External and face turning
Coolant: Wet

Standard cutting conditions

ISO Workpiece material Chipbreaker Grade Cutting speed
Vc (m/min)		 Depth of cut
ap (mm)		 Feed: f (mm/rev)
RE < 0.03 RE < 0.1 RE < 0.2 RE < 0.4
Carbon steel
Alloy steel		 JP SH7025 10 – 200 0.05 – 2.5 0.02 – 0.03 0.02 – 0.05 0.02 – 0.1 –
JS SH7025 10 – 200 0.5 – 3 0.02 – 0.03 0.02 – 0.05 0.02 – 0.1 0.05 – 0.2
Stainless steel JP SH7025 10 – 200 0.05 – 2.5 0.02 – 0.03 0.02 – 0.05 0.02 – 0.1 –
JS SH7025 10 – 200 0.5 – 3 0.02 – 0.03 0.02 – 0.05 0.02 – 0.1 0.05 – 0.2

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

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