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Precision plastic worm gear and worm drive components
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Precision plastic worm gear and worm drive components

This plastic worm gear is manufactured from high-strength engineering plastic, featuring excellent wear resistance and silent operation, with a transmission efficiency of up to 85. It is specially designed for automation equipment, medical devices, and small machinery, with a working temperature range of -30℃ to 80℃. The unique self-ing function prevents reverse driving, and the modular structure supports quick replacement. Certified by IATF16949-2016 quality standards, it offers a full of specifications from 0.5 to 2 module, supporting non-standard customization. Compared to metal components, it weighs 40% less, effectively reducing equipment energy consumption making it an ideal choice for lightweight transmission.

    Core technological advantages

    • Material innovation: The use of reinforced nylon and POM composite materials, with glass fiber modification treatment, has a tensile strength of 20MPa and a lifespan of over 500,000 revolutions 
    • Precision meshing: CNC worm grinding process is adopted, with a tooth roughness Ra0.8μm, and a double-arc worm gear design ensures smooth transmission without vibration
    Precision transmission; plastic worm gear (1)
    Precision transmission; plastic worm gear (4)

    Industry application scenarios 

    Industrial automation: Suitable for precision positioning scenarios such as robotic arm joints and conveyor belt drives 
    Smart home: Widely used silent transmission systems such as electric curtains and smart toilet seats
     Automotive electronics: Meets the weather resistance requirements of in-vehicle devices such as windshield wipers and seat
    Precision transmission; plastic worm gear (2)
    Precision transmission; plastic worm gear (5)
    Precision transmission; plastic worm gear (6)

    Customized service

    Full process service including confirmation of 3D drawings, sample trial production and mass production can be provided, with a minimum order quantity of 50 sets and a mold making cycle of 30 days.

    Customized service

    Full process service including confirmation of 3D drawings, sample trial production and mass production can be provided, with a minimum order quantity of 50 sets and a mold making cycle of 30 days.

    SANI Transmission Technology

    Can these products be used in automotive electrification systems?  
    Yes. Our products (such as auto parts for rearview mirrors, seat adjustment, EPB, and ABS) are widely applied in automotive electrification parts, and we’ve supplied auto components to BYD since 2020.
    Are SANI’s micro-transmission products suitable for medical equipment?  
    Definitely. They are used in medical and health products like insulin injection pumps, automatic drip controllers, ventilators, and blood pressure meters—meeting strict precision and reliability standards for medical devices.
    Does SANI offer customized gear or gearbox solutions?  
    Yes. We provide customized precision gears, worm gears, worm drive mechanism systems, and even non-standard gearboxes—tailored to your specific application scenarios and technical requirements.