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Long Spline Motor Shaft for Precision Power Transmission

The Long Spline Motor Shaft is a high-precision component engineered for reliable torque transmission in demanding industrial environments. Made from high-strength alloy steel, it provides exceptional torsional strength and fatigue resistance.

The shaft is meticulously machined using turning and grinding processes to ensure tight dimensional tolerances, concentricity, straightness, and a superior surface finish. Critical sections undergo hardening treatments such as induction hardening or carburizing, or are coated with special surface finishes to enhance wear and corrosion resistance.

Dynamic balancing is performed to minimize vibrations during operation. This shaft delivers high-efficiency power transfer, long service life, low maintenance requirements, and stable performance under harsh conditions including high temperature, high humidity, and heavy loads.

    Specificationscharacteristic parameter

    Product Specifications

    Fully customizable lengths, diameters, and spline configurations

    Material

    High-strength alloy steel (optionally 42CrMo or others)

    Heat Treatment

    Induction hardening, carburizing, or special coatings

    Surface Finish

    Precision ground and polished, corrosion-resistant options(with full customization available upon request)

    Spline Type

    Rectangular or involute splines

    Dynamic Balancing

    Strictly verified to suppress vibration

    Features

    High-efficiency transmission; Long service life; Low maintenance; Strong load-bearing capability; Suitable for harsh industrial environments

    Spline Module

    0.5-3mm

    Tolerance Class

    6h(DIN 5480)

    Product RoleApplication Scenarios

    The Long Spline Motor Shaft is ideal for applications requiring high torque transmission with precise alignment and minimal axial play. Its multi-tooth spline ensures strong load capacity while maintaining tight tolerances for concentricity and straightness.

    Typical functional elements include precision journals, keyways/splines, bearing seats, and potential cooling structures such as fan mounting points. Strict dynamic balancing ensures stable operation even at high rotational speeds.

    choose ussolutions

    We offer fully tailored spline shaft solutions for automotive, industrial, and aerospace sectors. By adjusting the shaft dimensions, spline geometry, and surface treatments, we ensure optimal performance for:

    ● Vehicle drivetrains and steering systems
    ● CNC machine spindles and precision tools
    ● Agricultural PTO systems
    ● Aerospace high-load assemblies

    Our engineering team ensures each shaft meets strict functional, assembly, and endurance requirements, providing reliable performance even under extreme conditions.

    Summaryquality system

    Certified under ISO 9001 and IATF 16949, our manufacturing process guarantees consistent quality and compliance with international standards. Every shaft undergoes dimensional checks, hardness testing, and surface inspection before shipment.

    In summary, our spline shafts combine precision, durability, and adaptability, making them a dependable choice for demanding power transmission applications.

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