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    107 mm Strain Wave Harmonic Drive Gearbox, Ratio 30~100

    Wholesale price 107 mm strain wave harmonic drive gearbox is designed for industrial robots, CNC equipment, medical instruments, and the military industry. 30/50/80/100 gear ratios are available. Small strain wave gearbox can provide harmonic gear reduction, but can also be used to increase rotation speed.
    SKU: ATO-HD-107
    30-day Returns
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    Delivery date: 6-12 days

    Buy a low price harmonic drive gearbox online. 30/50/80/100 gear ratio is provided. 107 mm harmonic reducer provides high transmission accuracy and supports a high reduction ratio with low inertia, commonly used for industrial robots, CNC equipment, medical instruments, and the military industry.


    • 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.
    • 107 mm strain wave gearbox is designed for robots.


    • Model: ATO-CSF-25-I
    • Type: Self-aligning
    • Diameter: 107 mm
    • Thickness: 52 mm
    • Gear type: Cylindrical gear reducer
    • Installation form: Horizontal
    • Input speed: 3500 rpm
    • Rated power: 0.1 kW
    • Output speed: 0~500 rpm
    • Available torque: 1~100 N.m
    • Gear ratio: 30, 50, 80, 100, other gear ratios please contact us.


    Gear ratio 30 50 80 100
    Rated torque when input 2000r/min (N.m) 27 39 63 67
    Allowable peak torque at start and stop (N.m) 50 98 137 157
    Maximum allowable average load torque (N.m) 38 55 87 108
    Momentary allowable maximum torque (N.m) 95 186 87 304
    Allowable maximum input speed (r/min) 5500
    Allowable average input speed (r/min) 3500
    Arc seconds ≤20 ≤20 ≤10 ≤10

    Dimensions (unit: mm)

    107mm harmonic drive gearbox 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: Types of the Harmonic Drive Gearbox

    The harmonic reducer is to ensure that the equipment can reliably complete the task while reducing the speed and increasing the torque.

    • According to different structural forms, there are cup-type harmonic reducers, hat type harmonic reducers and other series.
    • According to special performance requirements, there are ultra-thin harmonic reducers, high torque harmonic reducers and other series.

    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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