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Ultra Precision VMC for Aerospace Applications



Mitsui Seiki has made updates to its Vertex 75X II. The linear axes (X, Y, Z) strokes are 750 mm (29.5") x 800 mm (31.4") x 700 mm (27.5"). One of the key new features is an enhanced ultra high accuracy package, making it suitable for critical aerospace components. This option enhances Mitsui Seiki's existing construction techniques for accuracy and precision. Users can gain production improvements eliminating the traditional machine `warm up' time for very demanding precision jobs. "Machine geometry is still unparalleled, and positioning accuracy in X-, Y-, and Z-axes is 0.001 mm (0.000040"), A-axis: ±6 arc seconds; C-axis: ±4 arc seconds," said a company spokesperson. Further, there is a special configuration just for blade production and also one for jig grinding applications.

Mitsui Seiki offers a 30,000 RPM spindle with the Vertex 75X II, in addition to the 15,000, 18,000 and 25,000 RPM choices. Customers can now take full advantage of the machine's acceleration and deceleration characteristics and high speed machining functions. An HSK-80 taper spindle connection (for those requiring more heavy-duty machining) is available as an option to compliment the existing HSK-63 and 40-taper tool interfaces.

The Vertex 75X II line includes several configurations in the range, based on table sizes and types from 225 mm (9") to 500 mm (19.7") diameter. A choice of rotary axis drive systems - high torque geared type or direct drive - allows for the optimum machine configuration to suit the customer needs.

"Mitsui Seiki's tradition is to build rigid and ultra precise metal cutting and grinding machines. The Vertex 75X II geometric accuracy is carefully monitored in the tightest temperature-controlled factory environment in the world," said the spokesperson. The machine features a proprietary cast iron bed, which provides an ultra rigid and thermally stable machine structure. The "box-in-box" design provides rigidity, stiffness and agility. As with all Mitsui Seiki machines, guideway mounting surfaces are hand-scraped, achieving high volumetric accuracies. "This process is far superior to simply machined and / or ground systems. This engineering and construction concept, coupled with a newly designed machine, now provides users with even more competitive advantages over traditional, similar purpose products," said the spokesperson.

For more information contact:

Scott Walker, President

Mitsui Seiki USA, Inc.

563 Commerce Street

Franklin Lakes, NJ 07417

201-337-1300

www.mitsuiseiki.com

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