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High-Precision Custom Double Helical Gears from China - Expert Suppliers and Factory Services Available
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High-Precision Custom Double Helical Gears from China - Expert Suppliers and Factory Services Available

Sani Transmission, a leading supplier based in China, specializes in high-precision double helical gear customization. Our factory utilizes premium engineering plastics such as POM and nylon, offering full customization options ranging from 0.1 to 5 modules. Manufactured in Japan, our gears feature an innovative oblique tooth design, ensuring smooth and efficient transmission. The unique double-layer structure integrates various functional tooth types, making our gears ideal for applications in micro-motors, smart home devices, and precision instruments. We provide processing services tailored to your specifications, and with a commitment to efficiency, we guarantee the fastest delivery in just 30 days. Partner with Sani Transmission for superior gear solutions tailored to your needs

    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)
    Product FAQ
    🛒 Order & After-Sales
    Q Are the products compliant with industry standards for specific fields (e.g., automotive/medical)?
    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?
    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 materials are available for the double helical gears?
    We offer a range of high-quality engineering plastics including POM (Crystal Steel) and PA66 (Nylon). Each material is selected for its wear resistance and noise reduction properties, making them suitable for various load and environmental conditions.
    Q What customization options are available for the helix angle and tooth profile?
    Our manufacturing process supports helix angle customization from 0° to 35°, with tooth profile accuracy controlled within ±0.2mm. We can tailor gear specifications to meet your exact transmission requirements.
    Q What is the operating temperature range and noise level of these gears?
    The gears are designed to operate reliably in temperatures ranging from -30℃ to 120℃. Noise levels are kept below 45dB, and the gears show no abnormal wear after life tests exceeding 500,000 revolutions.
    Q What are the standard size and specification ranges for your double helical gears?
    Our standard specifications include a modulus range of 0.1–2.5, outer diameter from 10mm to 100mm, number of teeth from 3 to 100, and a maximum load torque of up to 250gf.cm. Custom sizes beyond these ranges can also be discussed with our engineering team.