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    13x13 mm Strain Wave Harmonic Drive Gearbox, Ratio 30~50

    Cheap 13x13 mm harmonic drive gearbox for sale online. Mini harmonic gearing with 30 and 50 gear ratios for selection. High precision and torque strain wave gearbox is the best solution for industrial robots, CNC equipment, medical instruments, military industry and other fields.
    SKU: ATO-HD-13
    30-day Returns
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    Delivery date: 6-12 days

    Get a 13x13 mm harmonic drive at a low price. It is available with gear ratios of 30 and 50. Small harmonic drive gearbox provides high transmission accuracy and supports a double-stage high reduction ratio with low inertia. Cost-effective strain wave gear is the best solution for industrial robots.


    • It is a strain wave harmonic drive gearbox with high rigidity, no gear backlash and coaxial input and output.
    • The gearbox features excellent positioning accuracy and rotation accuracy.
    • Harmonic reducer with a high torque capacity and a high gear ratio is available.
    • 13x13 mm strain wave gearbox is designed for robots.


    • Model: ATO-CSF-03-XX-1U-U
    • Output/Input: Shaft Input, Shaft Output
    • Diameter: 13x13 mm
    • Thickness: 31.5 mm
    • Gear type: Cylindrical gear reducer
    • Installation form: Horizontal
    • Input speed: 6500 rpm
    • Rated power: 0.1 kW
    • Output speed: 0~500 rpm
    • Available torque: 1~100 N.m
    • Number of stages: Double-stage
    • Gear ratio: 30, 50, other gear ratios please contact us.


    Gear ratio 30 50
    Rated torque when input 2000r/min (N.m) 0.06 0.11
    Allowable peak torque at start and stop (N.m) 0.13 0.21
    Maximum allowable average load torque (N.m) 0.1 0.13
    Momentary allowable maximum torque (N.m) 0.22 0.41
    Allowable maximum input speed (r/min) 10000
    Allowable average input speed (r/min) 6500
    Moment of inertia (1/4GD) (kgcm2) 5.3x10-7
    Arc seconds ≤20

    Dimensions (unit: mm)

    13x13mm harmonic drive dimensions

    Harmonic Drive Gearbox Applications

    ATO harmonic drive gearboxes can be used to optimize the shape of robots, increase precision, increase strength, improve flexibility, etc., and are widely used in industrial robots, numerical control equipment, medical instruments, military and other fields.

    Harmonic drive applications

    Tips: Why do robots use a harmonic drive gearbox?

    The power source of industrial robots is generally an AC servo motor. Driven by a pulse signal, the servo motor itself can achieve speed regulation, so why do industrial robots need a harmonic drive gearbox? Industrial robots often perform repetitive actions to complete the same process. In order to ensure that industrial robots can reliably complete process tasks in production and ensure process quality, the positioning accuracy and repeat positioning accuracy of industrial robots are highly required. Therefore, improving and ensuring the accuracy of industrial robots requires the use of precision reducers. ATO harmonic drive gearbox is a good choice for robot joints.

    Installation Manual

    PDFATO Harmonic Drive Gearbox Installation Manual

    Precautions for installation

    1. When the harmonic drive gearbox is in use, if the output end is horizontally downward, the lubricating grease injected into the inner wall space of the flexspline must exceed the meshing tooth surface.
    2. The installation plane of the rigid wheel and the rigid wheel connection and the installation plane of the flexible wheel and the flexible wheel need to be statically sealed to ensure that the grease will not leak during the use of the harmonic drive gearbox and avoid the reducer from working with little or no oil Time damage.
    3. During the installation process, please do not knock the parts of the harmonic drive gearbox with hard objects, or apply strong pressure to avoid damage to the parts.
    4. If you have any questions during the inspection, please contact ATO.

    Tips for using a harmonic drive gearbox

    • Please use it in the specified environment.
      Observe the following conditions when using a harmonic drive gearbox:
      Ambient temperature: 0-40 degrees Celsius, no splashes of water, oil, etc.; no corrosive, explosive gas; no dust such as metal powder,
    • Please use the prescribed method for installation.
      Please implement the installation method correctly according to the harmonic drive gearbox manual. If it is not installed correctly, it may cause vibration, loss of accuracy, shortened service life, damage and other failures.
    • Please use the specified lubricant.
      Failure to use the specified lubricant may result in reduced harmonic drive gearbox life.
      Please do not disassemble or reassemble the product, otherwise, it will not be able to restore its original performance.
      Do not exceed the allowable torque during use, otherwise, it may cause harmonic drive gearbox failure.
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