Sumitomo General Catalog 2025-2026

Sumi Dual Mill TGC

Steel

Stainless Steel

Cast Iron

D Small Joint Steps At Groove Bottom Proprietary insert array design minimizes joint steps at groove bottom for excellent visual quality

TGC type

Competitor's Product A

Competitor's Product B

8mm

H

19mm

Step measurement

Less than 0.0004" step

Step 0.0010"

Step 0.00094"

Machine

: Vertical Machining Centre BT50, Work Material: 1050 : TGC 13125W19Z12RS (ø125, Width of Cut 19mm, 12 teeth)

Excellent visual quality * Results of in-house evaluation.

Tool

Insert : TGCX 130708PNEN-G (ACU2500) Cutting Conditions : vc = 656 SFM, fz = 0.0078"/t, ap = 0.748", ae = 0.315", Down Cut, Dry

D Neutral-handed 4-cornered Insert Easy management with neutral-handed insert design that eliminates the need to align right-hand and left-hand inserts

L side: 2 corners

L side

R side: 2 corners

Front/back

R side

Total 4 corners

¢ Grade Features

Coating Layer Features

Coating Thickness (μm)

PVD

Work Material

Grade

Features

High Adhesion Strength Signicantly improved coating adhesion has more than twice the chipping resistance of conventional coatings New Super Multi-Layered Structure Higher hardness and twice the conventional wear resistance due to a ne crystal structure AlTiCrBN-based nano-layered coating

Utilizes ABSOTECH ™ coating technology with excellent wear and chipping resistance. Its carbide substrate, with excellent fracture and wear resistance, achieves stable and long tool life for a variety of work materials.

Coating Layer

5nm

ACU2500 3

Cross Section of Cutting Edge Coating TEM Image

Carbide Substrate

¢ Grade Application Range (TGC type) Work Material Finishing to Light Cutting Medium Cutting

Rough to Heavy Cutting

ACU2500

P

Steel

ACU2500

P

ACU2500

P

Cast Iron

The letter "P" at the end of each grade indicates the coating type. P : PVD

H206

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