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MHI Develops "Mitsubishi Super Skiving System" enabling High-speed, High-precision Cutting of Internal Gears at Low Cost-- Achievements Derive from Newly Developed Proprietary Barrel-shaped, multiple-cutting-edge Tool - | Mitsubishi Heavy Industries

Jul 01, 2025

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Tokyo, October 20, 2014 - Mitsubishi Heavy Industries, Ltd. (MHI) has completed development of the "Mitsubishi Super Skiving System" for machining internal gears with high speed and outstanding precision. The new system has overcome technical issues characteristic of conventional skiving by use of an MHI developed, innovative barrel-shaped multiple-cutting-edge rotary tool (patent pending), enabling mass production of difficult-to-machine internal gears. In addition, longer tool life, combined with shorter machining times, enables significant reductions in production costs. MHI is aiming to commence marketing of the new tool and dedicated skiving machine in April, 2015.

Mitsubishi Heavy Industries (MHI) Group is one of the world’s leading industrial groups, spanning energy, smart infrastructure, industrial machinery, aerospace and defense. MHI Group combines cutting-edge technology with deep experience to deliver innovative, integrated solutions that help to realize a carbon neutral world, improve the quality of life and ensure a safer world. For more information, please visit www.mhi.com or follow our insights and stories on spectra.mhi.com.