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Machining Center Performs Like a High-Speed Jig Borer



Niigata Machine Techno USA's HN800-V HMC offers the performance of a high-speed jig borer with minimal investment increase over traditional HMCs, according to the company.

"The HN800-V is uniquely built with the rigidity and accuracy necessary to perform ultra-precise contour machining and boring of components with critical tolerances," said a company spokesperson. "The first machining center to feature hardened and ground inverted V-shaped slideways, the HN800-V achieves volumetric accuracy of .00005 in. per foot. The V-shaped slideway system converts the weight of the column unit into restraining force on the sliding unit. This restraining force provides enhanced stability and long-term axis straightness of motion that virtually eliminates pitch and yaw motion. The combination of hand-scraped slideways and hardening-processed slide guides maximize the machine durability."

The V-shaped slideways, consisting of anti-abrasion material, contribute to the high-speed performance of the machine. The machine achieves rapid traverse of 50 m/min (1968 IPM) for increased productivity.

For high stability, this V shaped slideway machine features a solid Meehanite cast iron frame with extensive ribbing. "Further contributing to precision performance is a powerful and rugged geared high torque spindle," said the spokesperson. "It is constructed with seven sets of wide-spaced, super precision angular contact and roller bearings. The spindle head stock utilizes a mono-cast (single piece) casting to achieve heavy and powerful milling capability and greater stability than bolt-together type spindle heads."

The HN800-V's pallet clamping system utilizes a stable clamper plate to help ensure optimum down force and increased clamping forces of the pallet during extreme cutting conditions. Jets of air discharge from the tapered cones when the pallet is changed to provide proper clamping and to cleanse seating surfaces.

The HN800-V offers 1,530 mm (60.2") X-axis travels, 1,230 mm (48.4") Y-axis travels, 1,020 mm (40.2") Z-axis travels and a B-axis rotary angle of 360,000 positions. Maximum workpiece swing diameter is 1,750 mm (68.9"), the largest work envelope in its class, according to the company. Maximum workpiece height is 1,400 mm (55.1").

For more information contact:

Niigata Machine Techno USA, Inc.

1501 Landmeier Road

Elk Grove Village, IL 60007

630-283-5880

info@niigatausa.com

www.niigatausa.com

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