Sumitomo AC503U – For General Purpose Cutting of Hardended Steel Materials

This is a general purpose grade for machining of hardened steel. Utilising a new PVD coating with super multi-layered, nanometer thick TiAlN and AlCrN layers that provides exceptional wear resistance, when combined with a carbide sustrate.

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New PVD-Coating Technology Absotech^TM

Highly heat-resistant ultra-multi-layer thin-film AlTiSiN structure realizes excellent crater wear resistance and flank wear resistance.

Newly Developed Highly Adhesive Technology

Greatly improved film coating adhesion realizes excellent boundary defect resistance.

Newly Developed Rigid Carbide Parent Material

Introduction of a revolutionary new sintering process enables hardness to be maintained while greatly improving rigidity, realizing reduces boundary defects and chipping resistant performance.

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ABSOLUTELY STABLE CUTTING

AC8015P: Reduced crater damage due to chip abrasion through optimized crystal orientation in the alumina layer.

AC8020P: Alumina layer with even higher strength suppresses chipping

AC8025P: Improved tool surface smoothness and significantly reduced adhesions through special surface treatment.

AC8035P: Drastically reduced tensile residual stress in coating through special surface treatment.

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ABSOLUTELY STABLE CUTTING

AC6020M: Grade for high speed and high efciency stainless steel turning by the combination of new CVD coating “Absotech®” and hard substrate with high wear resistance, has excellent wear,chipping or peeling resistance.

AC6030M: Grade for general stainless steel turning, 1st choice, by the improvement of strength of coating layer with new CVD coating “Absotech^®” and adhesion resistance by smooth edge treatment, realizes much less damage of cutting edge, stable and long tool life.

AC6040M: Grade for interrupted cutting of stainless steel, by new PVD coating “Absotech®”, newly optimized composition of TiAlSiN multi-layer structure and exclusive carbide substrate with high peeling and chipping resistance improves greatly the stability of tool life even in unstable cutting.

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New grade series covering cast iron processing completely!

Newly developed high adhesion technology, crystal orientation control technology, and residual stress control technology for longer and stable tool life with various cast irons—from gray cast iron and ordinary cast iron (FC) to high-strength ductile cast iron (FCD).

AC4010K: Our first recommended grade for gray cast iron. Ultra-thick coating allows for ultra-high speed machining (vc = 700m/min).

AC4010K: Our first recommended grade for ductile cast iron. High-adhesion, high-strength coating provides longer and stable tool life.

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New grade for precision machining!

New PVD coating “Absotech® Bronze” and special substrate are applied.
High quality cutting edge realized excellent resistance against adhesion and microchipping and better nished surface.

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Feature of T1500Z / T2500Z

Feature of Brilliant Coat

Employs new PVD process, Brilliant Coat(*)

1. Newly developed PVD coating with excellent wear resistance and lubricity.
2. Low reactivity with work materials for beautiful finished surfaces.

(*) There may be minor differences in the colour tone/lustre of Brilliant Coat grades due to the interference of light. Such differences have no effect on performance.

Application Range

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Uncoated cermet that emphasizes on wear resistance, is best suited for profile turning and high-speed continuous cutting

Uncoated cermet that emphasizes on wear resistance to achieve long tool life in continuous finishing and profile turning with superior wear resistance.

1. A new grade of high hardness cermet that uses a composite hard phase to provide exceptional toughness and wear resistance.
2. Perfect for fine finishing using ground type inserts.
3. Meeting diverse needs with a wide selection that focuses on ground type inserts.

General purpose uncoated cermet that provides stable finished quality in finishing ~ medium cutting

General purpose uncoated cermet that provides both excellent finished surface quality and cost effectiveness.

1. Unprecedented cermet with a composite structure of mixed grain sizes that offers excellent fracture and wear resistance.
2. 3-dimensional chipbreaker exhibits it superiority in applications where chip control is necessary.
3. Expanded lineup caters to a wider range of requirements.

Application Range

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Highly Recommended Versatile Positive Chipbreaker

Excellent Chip Control in Wide Range of Cutting Conditions

Chipbreaker shape design characterized by a wide chip pocket has improved chip control over a wide range of cutting conditions. This prevents chip jamming during the cutting process and achieves stable machining. In addition to alloy steel, it is also applicable to various work materials, including carbon steel and stainless steel.

Low Cutting Resistance Suppresses Chatter

The chipbreaker shape design controls the expelled chips and serves to reduce cutting resistance and control chatter. This serves to reduce the machining load and achieve stable machining in various applications and conditions.

Improved Fracture Resistance

The double rake shape with excellent sharpness and hardness has improved the fracture resistance. This serves to reduce the frequency of tool change and achieve

Application Range

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Cutting edge specially designed for chip control

Reduces unexpected fractures, choke stoppages and work damage in pipe steel, rolled steel and low carbon steel.

1. Reduces edge fracture with a ridge.
2. High-raked breaker wall improves chip breaking.
3. Variable rake design within the nose radius increases chip distortion and improves chip breaking.

Application Range

Application Examples

SPCH440 Hub parts

SAPH440 Piston parts

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Cutting edge design that emphasizes on sharpness and low cutting force

1. Displaying stable chip control under a wide range of cutting conditions.
2. For bar-feeder machines with large fluctuations in depth of cut.
3. Best suited for high precision machining and medical components (hard-to-cut material).

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Ideal for machining all non-ferrous components such as aluminum parts

High raked design achieves beautiful finished surface and excellent chip control.

Item lineup expanded with AX / AY type chipbreaker series.

AX Type Chipbreakers

High quality, grounded parallel breaker style achieves stable machining in a wide application range.

1. Excellent for external turning of non-ferrous metal when combined with the H1 carbide grade.
2. High quality, grounded parallel breaker style achieves stable machining in a wide application range.
3. An extensive selection (total 28 items) catering to a wide range of applications.

AY Type Chipbreakers

High quality, grounded parallel breaker style achieves stable machining in a wide application range.

AG Type Chipbreakers

3-D chipbreaker with a polished face that significantly reduces adhesion and build-up edge on the cutting edge.

1. Excellent for external turning of non-ferrous metal when combined with the H1 carbide grade.
2. High quality, grounded breaker style achieves excellent machined surface quality and chip control in finishing applications.
3. Combining with the 3-D styled AG type chipbreaker to form an extensive selection (total 56 items) catering to a wide range of applications.

Application Range

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