BALL SCREW SPLINE
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SSPM type (keyless) NB ROTARY BALL SPLINE LINEUP •: Please contact NB for details. Overseas direct call : +81-258-82-5709 Western Regional Office 46750 Lakeview Blvd. Fremont, Eastern Regional Office 41 Orchard Street, Ramsey, Reproduction Prohibited Specifications are subject to change without notice. No.9540 First Edition: May 21, 2012 BALL SCREW SPLINE SPBR type, SPBF type ONE SINGLE AXIS MAKES POSITIONING, LINEAR AND ROTARY MOTION

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NB BALL SCREW SPLINE SPBR type, SPBF type The NB Ball Screw Spline consists of a high accuracy, high rigidity Ball Screw nut and Ball Spline nut attached to the ball screw spline shaft which has a screw groove and spline grooves. SPBR type has a Rotary Ball Screw nut and Rotary Ball Spline nut. Rotary Ball Screw nut is an integration of ball screw nut and angular contact bearings. Rotary Ball Spline nut is an integration of ball spline nut and angular contact bearings. SPBF type has a Rotary Ball Screw nut and a Ball Spline nut. A single axis of the NB Ball Screw Spline can provide...

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SPBR TYPE MOTION PATT One set of SPBR type can handle linear, rotational, and spiral motion. SPBR type Motion Pattern Setting clockwise as normal (looking down from above) -Ni (reverse) C~ ||||| ||||i|||| ||||| ^) Ni(normal): ball screw nut pulley rotation (around) rotary ball screw nut rotary ball spline nut ball screw spline shat N2(normal): spline nut pulley rotation (around) travel distance (linear direction) (rotational direction) L : travel distance [mm] R: ball screw lead [mm] Ni : ball screw nut pulley rotation (around) N2 : ball spline nut pulley rotation (around) BALL SCREW SPLINE...

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part number structure SPBR type SPBF type nominal diameter with special specification ball screw spline shaft total length Side-seals and seals are attached as standard. SPBR type ROTARY BALL SCREW NUT ROTARY BALL SPLINE NUT •Please select the smallest maximum revolutions (rpm) in case that more than one portion rotate at the same time. >S Maximum revolutions for grease lubrication. •Moment of inertia is calculated excluding the angular contact bearings. BALL SCREW SPLINE SPBF type

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