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» Suwa Precision Engineering Press Release

Nagano Sankoh Co., Ltd., Japan, has invested in 4 latest Servo Stamping Presses to offer greater stamping efficiency for Deep Drawn Components with high accuracy and complicated profiles for electronics and automotive applications.

Suwa, Nagano, Japan 13/12/2005 - "As competition in the stamping industry gets more intense, Japanese metal stampers have to embrace new technologies and use them to improve the quality of the parts being stamped, the productivity of their manufacturing equipment, the life of the dies and the flexibility of the manufacturing cells," said Soichi Tamura, President of Nagano Sankoh.

With the servo press, Nagano Sankoh can virtually key in the stroke, velocity and dwell profile for any job - all on a single press. Three of the servo presses are AIDA NC1-1100 (D) servo presses which offer AIDA's proprietary high torque, low RPM servo motor with direct drive. These servo presses provide the same maximum stroke length and torque rating as a conventional mechanical press while rendering it possible to achieve full torque from low speed for greater part accuracy and longer die life. The servo press does not increase operating costs because its capacitors store energy in the non-working portion of the stroke, making power consumption comparable to or less than that of a standard mechanical press.

Says Tamura, "These servo presses are nearly double the price of same tonnage mechanical presses, but we can achieve double the efficiency in our stamping processes, and provide better quality parts not possible with conventional presses."

About Nagano Sankoh:
Established in 1967, Nagano Sankoh is an established metal stamper of stepper motor housing, connector shell and air-conditioner components, supplying to the leading Japanese electronics manufacturers.

From its humble beginning with 3 employees and 2 wire-cut machines, the company has grown to own a credible toolroom equipped with various machine tools including the latest Fanuc wire-cut machine using 0.05mm wire, ultra-precision Nagashima Seiko CG machine with 0.1 micron resolution, and 16 Aida transfer presses, 48 precision presses and 4 servo presses with press capacity up to 200 tonne.

While Nagano Sankoh was established to design and manufacture stamping dies and provide precision stamping services, the company has advanced its technical capability from stamping aluminum components and micro motor cases, to stamping the smallest stepper motor housing of diameter 4.7mm in the world today.

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