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Japanese Job shop report #2: NIiZUMA SEIKI(1/3)Responding to customers’ needs with 99 MCs

November 8, 2018

Unprecedented “Job shop”
Responding to customers’ needs with 99 MCs

Many Job shops gather in Tokyo – Ota ward.NIiZUMA SEIKI also has a headquarters in the district and is responsible for the processing of prototype and small lot components.
Until this point, the company has no particular difference from a typical town job-shop, but the company has a very different scale.
NIiZUMA SEIKI has three bases in Japan, with a total of 103 employees, including group companies. NIiZUMA SEIKI owns 99 machining centers (MC). It was recognized as having a major impact on the regional economy, and in December 2017 it was selected as “The Driving Company for the regional future” by the Ministry of Economy, Trade and Industry.

To inevitably large-scale facilities

NIiZUMA SEIKI’s headquarters is in Ota-ward, Tokyo, and its plants are located in Tsuruoka City, Yamagata Prefecture, and Saku City, Nagano Prefecture.
Business partners range from automobiles, aerospace, optical, semiconductor, medical, and office automation equipment.
Senior Managing Director Tomoyuki Niizuma said “The sales ratio by industry varies greatly in the fiscal year and changes constantly.”

The company has 99 MCs, including 39 of 5 axis MC, as well as over 200 machines, including hobbing machine, various electric discharge machines, and various grinders.
Corresponding work sizes range from a minimum of 2 mm square to a maximum of 2200×1200×400 mm.
The workpiece material can process metal and resin other than magnesium.
“We can make cars by ourselves except for rubber tires and cloth sheets and glass windows,” he said with laughter.
Mr. Niizuma said, “High accuracy and short delivery time are required for processing of prototype parts. In order to be compatible with each other, it is better to complete the processing inside the company, and it became inevitably large scale.”

…continue to 2/3

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