TECHNICAL REVIEW
A collection of technical papers explaining our technologies is available here.
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New Optical Element “Adjust-Shaper” for Achieving Dual Beam Generation to Improve Laser Welding Quality
October 2025
Laser welding is increasingly used across various industries, especially in the automotive sector,
due to rising demands for vehicle weight reduction and electrification.
It is known that improvements in processing quality, such as reduced spatter, can be achieved by irradiating metal materials with a dual beam consisting of a center beam and a ring beam. …
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Next-Generation Cemented Carbide for Machining Difficult-to-Cut Materials
April 2025
High-strength materials like titanium alloys and heat-resistant alloys are difficult-to-cut materials.
They are used in industries such as aerospace and medical sectors, where the demand for high-quality processing and efficiency is increasing.
For these demands, we have developed next-generation ultrafine-grained cemented carbide for difficult-to-cut materials. …
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Sensors-Embedded Cutting Tools to Accelerate Digital Transformation in Cutting Processes
April 2025
During cutting processes, cutting edges cannot be directly observed, leading to reliance on skilled workers' intuition and experience for optimizing cutting conditions. In recent years, sensors equipped in machine tools have been utilized to comprehensively monitor machining conditions including cutting forces. However, their sensitivity and accuracy are …
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Lightweight and Through-Coolant Cutting Tools Produced Using Additive Manufacturing
April 2025
Cutting tool requirements change from year to year. In the automotive industry, the shift to electrification is increasing the demand for lightweight tools that enable highly efficient machining of aluminum alloy components. In the aerospace industry, the use of difficult-to-machine materials such as nickel-based alloys and titanium alloys to reduce engine noise and …
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Initiatives for Power-Saving Hole Making
April 2025
In recent years, various industries, including the automotive sector, have been advancing their initiatives toward achieving green transformation (GX) by reducing CO2 emissions in cutting processes. Decreasing CO2 emissions involves cutting machine power consumption, leading to a rising demand for high-efficiency machining tools that reduce …
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New Coated-Carbide Grade AC8115P for High-Speed Steel Turning
April 2025
Efforts are underway in the steel machining, particularly in the automotive industry, to reduce the environmental impact and to enhance resource efficiency. We introduced the AC8000P series for steel turning in 2016, featuring the new chemical vapor deposition (CVD) coating technology “Absotech,” and have since expanded our product range. In recent years, …
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Turning Grades AC9115T and AC9125T for Titanium Alloys
April 2025
Titanium alloys are widely used for equipment and parts in the aerospace industry due to their lightweight, high strength and excellent corrosion resistance. Additionally, these alloys are also used in the medical field because of their high biocompatibility. In recent years, both industries have experienced significant growth, leading to a marked increase …
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New series “SUMIBORON BN7115/BN7125 for Cast Iron and Sintered Alloy”
April 2025
The cubic boron nitride (CBN) cutting tool “SUMIBORON” is made of sintered cBN particles, which have high hardness and thermal conductivity next to diamond and low reactivity with ferrous metals, bonded with a metal and/or ceramic binder. It has contributed to the improvement of machining efficiency and cost reduction in processing …
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New Coated SUMIBORON BNC2100 series for High-Efficiency Machining of Hardened Steel
April 2025
SUMIBORON is a cutting tool that utilizes cubic boron nitride (CBN) sintered bodies formed from cBN particles and ceramic or metal bonding materials. Specifically, coated SUMIBORON has an expanded application range as a cutting tool for hardened steel in automotive parts. Recently, manufacturing sites have become aware of variable-volume production …
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New Coated-Carbide Grade AC4125K for Cast Iron Turning
October 2024
Automotive components have complex designs and thin walls, for weight reduction. In recent years, such materials are becoming increasingly difficult to cut due to their high strength. Meanwhile, there has been a growing demand for high-speed and high-efficiency machining to reduce lead time. Under these circumstances, customers need cutting tools that …
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G-class 3D Chip Breaker for Small Lathes SL Type Breaker
April 2024
In the field of cutting small parts—small-diameter and precision parts—used in industries such as automotive, electronics, and medical parts, there is a growing need for tools that can reduce burrs, chattering, and poorly machined surfaces and improve the quality of machining. To meet this need, Sumitomo Electric Industries, Ltd. has developed the SL Type, …
