LBS Ball Screw Nut And Ball Spline Shaft-LBS30UU

Ball spline is a precision mechanical component that transmits power through the cyclic rolling of balls in the spline groove. It consists of a spline shaft, spline sleeve, balls, and sealing structure. Its core features include efficient transmission, multi-directional load-bearing, and high-precision positioning. Applications include Z-axis drive for automation equipment, automotive steering systems, and positioning mechanisms for high-speed printing machines.

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  • Ball Screw Spline Features

    High precision and high repeatability positioning accuracy

    Low friction and high transmission efficiency

    High rigidity and load capacity

    Long lifespan and low maintenance requirements

    Compact structure and lightweight design

    High speed adaptability

    Capable of transmitting torque

    Integrated structure and easy installation

    Lubricating oil circuit design

  • Ball Screw Spline Classification

    1、Classified by outer tube shape

    Cylindrical: Compact design, suitable for scenarios where space is limited and rotation clearance needs to be controlled

    Flange type:

    Round flange type: fixed with bolts, easy to assemble, suitable for high-precision equipment such as CNC machine tools and robotic arms

    Square flange type: Suitable for 3C and semiconductor equipment, with customizable sliced structure at the flange end

    2、Classified by axial combination form

    Integrated design: The spline shaft and nut are integrated, with a compact structure and high positioning accuracy

    Rotating nut type: supports synchronous driving of rotational motion, suitable for composite scenarios of torque transmission and linear motion

    3、Classified by shaft diameter and load capacity

    Micro Ball Spline: Lightweight Design

    Large shaft diameter ball spline: capable of carrying loads of several tons

  • Ball Screw Spline Performance Advantages

    1、High precision and stability

    High repeat positioning accuracy, fully enclosed sealed structure reduces the impact of dust intrusion on accuracy;

    Special contact angles,enhance torsional rigidity and reduce high-speed motion vibration.

    2、Low friction and efficient transmission

    The rolling friction coefficient is only 1/50-1/30 of that of sliding splines, with a transmission efficiency of over 95% and excellent temperature rise control;

    Optimize the lubrication oil system, directly lubricate the ball return area, and extend the maintenance cycle.

    3、Multi directional load capacity

    It can simultaneously withstand radial force (cantilever load), axial thrust, and torque, with a maximum radial load of several tons;

    Pre pressure adjustable design enhances impact resistance.

    4、High speed adaptability

    Supports rotation speed>3000rpm and linear speed ≥ 5m/s, meeting the requirements of laser cutting machines and high-speed sorting equipment;

    The low inertia characteristic shortens the start stop response time and has better acceleration performance than traditional sliding mechanisms.

  • Ball Screw Spline Application

    CNC machine tool

    Semiconductor Equipment

    industrial robot

    3C electronic automation

    automobile making

    Logistics transportation equipment

    Medical imaging equipment

    optical instrument

    New energy and power equipment

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Ball Spline Product FAQ

  • What Is a Ball Spline and How Does It Work?

    A ball spline is a mechanical linear motion component that allows for both rotational and linear movement simultaneously, using recirculating ball bearings to reduce friction and increase accuracy.

  • What Are the Main Applications of Ball Splines?

    Ball splines are commonly used in robotics, automation equipment, precision machinery, and applications requiring high-speed and synchronized motion with torque transmission.

  • What Types of Ball Splines Do You Offer?

    We offer several types including rotary ball splines, cylindrical ball splines, and nut-integrated types, each designed for different load, speed, and alignment conditions.

  • How Do I Choose the Right Ball Spline?

    Selection depends on torque load, stroke length, required precision, installation space, and whether simultaneous rotation and linear movement are needed. Our engineering team can help with sizing.

  • What Is the Maintenance Requirement for Ball Splines?

    Ball splines require regular lubrication to maintain performance and longevity. Clean operating conditions and periodic inspection of the spline shaft and nut are also recommended.

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