293 Features Application Examples 1 $BQBCMF PG )JHIMZ "DDVSBUF -JOFBS .PUJPO Shafts and nuts are offered as sets. This ensures accuracy with rotational clearance adjustment allowing for highly accurate linear motion. 2 $BQBCMF PG 5SBOTNJTTJPO PG 5PSRVF Rotary motion of balls on grooves fine-grinding machined into spline shaft in R Shape makes ball spline capable of linear motion while transmitting torque. 3 &OBCMFT $PNQBDU %FTJHOT Rotary motion of balls along the line of groove allows for linear motion of ball spline without generating misalignment of nuts toward rotary motion even based on a single shaft. 4 )JHI -PBE $BQBCJMJUZ BOE -POH -JGF High load capacity and long running life due to presence of R-shaped grooves of splines tailored to ball dia. on the rolling surface where loads are applied. &Balls do not fall out even if the spline shaft is pulled out. 2Construction Diagram Seal Nut Spline Shaft Retainer Balls 1JDL BOE 1MBDF "QQMJDBUJPO 6OJU When linear motion on each axis is needed in limited spaces, ball splines that can be used in single shaft configuration are effective. 1 Magazine Lifter Mechanism Space saving is enabled as there is no misalignment of nuts toward rotary motion even based on a single shaft. 2 1JDL BOE 1MBDF "QQMJDBUJPO 6OJU Since ball splines can also provide torque transmission, linear motion and rotary motion in one axis is enabled by providing rotation mechanism. 3 In addition, ball splines are used in many machines, such as coil winders, honing machines, optical measuring instruments, loaders, automatic filling machines, industrial robot arms, etc. Motor Ball Spline Air Gripper Workpiece (Plug) Workpiece (Plastic Case) Ball Spline Cylinder Workpiece Air Gripper Ball Spline Motor Cylinder Lineup WBSJBUJPOT /VU 4IBQFT Y .BDIJOFE 4IBGU &OE 4IBQFT Nut Shape × Shaft End Shape Straight Straight One End Tapped Both Ends Tapped Round Flange One End Stepped Both Ends Stepped Both Ends Stepped and Threaded Compact Flange One End Stepped and Threaded One End Stepped and Threaded, One End Tapped Both Ends Stepped and Threaded Ball Splines Overview
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