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Custom Double Helical Gears Supplier in China - Precision Manufacturing Factory for High-Quality Gear Solutions
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Custom Double Helical Gears Supplier in China - Precision Manufacturing Factory for High-Quality Gear Solutions

Sani Transmission, a leading China factory, offers high-precision double helical gear customization services designed to meet diverse industrial needs. Our gears are crafted from high-quality engineering plastics like POM and nylon, ensuring durability and performance. We provide full customization options ranging from 0.1 to 5 module, benefiting various sectors such as micro-motors, smart home devices, and precision instruments. Our advanced manufacturing processes utilize oblique tooth design for smooth transmission, and our innovative double-layer structure incorporates different functional tooth types. As trusted suppliers, we support processing according to customer drawings and samples, with a rapid delivery time of just 30 days. Partner with us for reliable gear solutions tailored to your specifications

    Core Advantages

    • Diverse Materials: Providing material options such as POM (Crystal Steel), PA66, etc., which combine wear and noise reduction characteristics, suitable for different load scenarios.
    • Precision Machining: Adopting full Japanese equipment manufacturing process, with tooth profile accuracy controlled within ±0.2mm, and helix angle supporting 0–35° customization, meeting special transmission needs.
    • Structural Innovation: Dual-connection design can integrate straight/helical combination, and single piece can achieve speed change or steering function, reducing assembly links and improving the reliability of the transmission system.
    • Basic Specifications: Modulus range of 0.1–2.5, outer diameter of 10–100mm, number of teeth from 3–100, and maximum load torque of up to 250gf.cm.
    • Performance Indicators: Operating temperature from -30℃ to 120℃, noise <45dB, and no abnormal wear in life tests exceeding 500,000 revolutions.
    Sani Transmission provides high-precision double helical gear customization services, adopting high-quality engineering plastics such as POMnylon, supporting full customization from  ( (4)
    Sani Transmission provides high-precision double helical gear customization services, adopting high-quality engineering plastics such as POMnylon, supporting full customization from  ( (5)

    Application Scenarios

    • Smart Devices Used for the joint gearbox of the robot cleaner, the transmission module of the smart lock.
    • Industrial Field Integrated in the mechanism of automated equipment, the precision transmission system of medical instruments.
    • Consumer Electronics UAV servo gear set, core components of the focusing mechanism of the projector.
    Sani Transmission provides high-precision double helical gear customization services, adopting high-quality engineering plastics such as POMnylon, supporting full customization from  (1)
    Sani Transmission provides high-precision double helical gear customization services, adopting high-quality engineering plastics such as POMnylon, supporting full customization from  ( (3)
    Sani Transmission provides high-precision double helical gear customization services, adopting high-quality engineering plastics such as POMnylon, supporting full customization from  ( (7)

    Frequently Asked Questions

    Order & After-Sales

    Q Are the products compliant with industry standards for specific fields (e.g., automotive/medical)?
    A Absolutely. Our automotive-related products meet IATF 16949 requirements, and medical-use micro-transmission parts align with relevant medical device precision and safety standards — ensuring compliance with industry regulations.
    Q Can SANI adjust product parameters (e.g., torque, speed) based on my application feedback?
    A Yes. After receiving your feedback on sample or trial use, our engineering team can optimize parameters like torque, speed, or material to better match your application needs.
    Q What customization options are available for the double helical gears?
    A We support full customization including modulus (0.1–2.5), outer diameter (10–100mm), number of teeth (3–100), helix angle (0–35°), and material selection (POM, PA66, etc.) to meet your specific transmission requirements.
    Q What is the operating temperature range and noise level of these gears?
    A The gears are designed to operate reliably from -30℃ to 120℃, with a noise level below 45dB, and demonstrate no abnormal wear after life tests exceeding 500,000 revolutions.
    Q What industries or applications are these double helical gears suitable for?
    A These gears are widely used across smart devices (robot cleaners, smart locks), industrial automation, medical instruments, consumer electronics (UAV servo systems, projector focusing mechanisms), and more.
    Q What manufacturing process and equipment are used to ensure gear precision?
    A We adopt a full Japanese equipment manufacturing process with tooth profile accuracy controlled within ±0.2mm. The dual-connection structural design integrates straight and helical combinations, ensuring high reliability and reduced assembly complexity.