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VMC for Tight Tolerance Work

Mitsui Seiki's new Vertex 75X II series is comprised of six distinct models offering linear axes (XYZ) strokes of 750 mm (29.5") x 800 mm (31.4") x 700 mm (27.5").

One of the key new features of the series is a high accuracy package. This option enhances Mitsui Seiki's existing construction techniques for increased accuracy and precision. "As such, the Vertex line of machines is well suited for tight-tolerance mold and die work, aerospace, energy and other high precision component applications," said a company spokesperson. "Users can gain significant production improvements, eliminating the traditional machine warm up time for demanding precision jobs." Positioning accuracy in XYZ axes is 0.001 mm (0.000040"). A-axis: ±6 arc seconds; C-axis: ±4 arc seconds.

In response to customer feedback and market demands, Mitsui Seiki now 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," said the spokesperson. An HSK-80 taper spindle connection (for those requiring more heavy-duty machining) is available as an option to complement the existing HSK-63 and 40-taper tool interfaces.

The Vertex 75X II line includes several configurations 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 customer needs.

The Vertex 75X II geometric accuracy is carefully monitored in a tight temperature-controlled factory environment. The machine features a proprietary cast iron bed, which provides a rigid and thermally stable machine structure. A box-in-box design provides enhanced rigidity, stiffness and agility. Guideway mounting surfaces are hand-scraped to provide high volumetric accuracies.

For more information contact:

Scott Walker, President

Mitsui Seiki USA, Inc.

563 Commerce Street

Franklin Lakes, NJ 07417


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