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Low Inertia Ball Screw/Spline



Visitors can see in person THK's latest ball screw/spline BNS-V. Featuring a compact and lightweight structure, the low inertia BNS-V enables quick starts and stops during high-speed operation.

The BNS-V is a stroke/rotary unit with ball screw grooves and a ball spline groove that cross one another on a single shaft. The nuts of the ball screw and the ball spline have dedicated support bearings directly embedded on the circumference of the nuts. Some advantages of the new ball screw/spline BNS-V include a highly rigid shaft support, an angular-contact structure for highly accurate positioning and smooth motion with low noise.

The BNS-V is a downsized version of THK's ball screw/spline BNS-A. The BNS-V features a compact o72 outer diameter, a low weight of 1.00 kg and a low inertia of 2.00 kg/CM2, contrasted with the BNS-A o86 outer diameter, weight of 1.67 kg and inertia of 4.32 kg/CM2.

For more information contact:

THK America, Inc.

200 E. Commerce Drive

Schaumburg, IL 60173

800-763-5459

marketing@thk.com

www.thk.com

IMTS 2018 Level 3, Booth E-134514

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