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China S Series Hard-Toothed Surface Gearbox Speed Reducer - Reliable Suppliers and Factory Solutions

The S series reducer stands out as one of the four primary reducer types, alongside R, S, K, and F. Designed with a modular combination system, it seamlessly integrates with various electric motors and power input devices. This modular design product features a unit structure, making it ideal for industrial applications that require flexible combination transmission solutions. As a trusted product from a leading factory in China, the S series reducer is favored by suppliers looking for reliable and efficient transmission solutions tailored to diverse industrial needs

    Product Structure

    The S series reducer adopts a reinforced high rigidity cast iron box and hard tooth surface gears. The gear material is high-quality alloy steel and has undergone carburizing and quenching treatment. The tooth surface hardness reaches 60 ± 2HRC, and the grinding accuracy is 5-6 levels. The transmission efficiency is as high as 96%, the transmission ratio is finely graded and has a wide range, supporting various installation forms such as foot, B5 flange or B4 flange. Enhance the load-bearing capacity through computer shaping technology and adopt a multi sealing structure to prevent oil leakage. Its modular design supports large-scale production, with models divided according to decreasing torque, allowing for flexible combination of models to form larger transmission ratios. The product design includes noise reduction measures, resulting in low operating noise.

    Product Features

    • 1The gears are made of high-quality alloy carburizing and quenching, with a tooth surface hardness of up to 60 ± 2HRC and a tooth surface grinding accuracy of up to level 56.
    • 2By using computer shaping technology to pre-shape the gears, the load-bearing capacity of the gearbox has been greatly improved.
    • 3From the casing to the internal gears, it adopts a completely modular structural design, suitable for large-scale production and flexible selection.
    • 4The standard gearbox models are divided according to the torque decreasing form, which is more in line with customer requirements and avoids power waste compared to the traditional proportional division.
    • 5Adopting CAD/CAM design and manufacturing to ensure the stability of quality.
    • 6Adopting multiple sealing structures to prevent oil leakage.
    • 7Multi-directional noise reduction measures ensure excellent low-noise performance of the gearbox.
    • 8The product installation method is flexible and versatile, making it easy for customers to choose.

    Conditions of Use

    • The same model can be equipped with motors of various powers. Easy to achieve combination connection between various models.
    • High transmission efficiency, with a single machine gearbox efficiency of up to 96%.
    • The transmission ratio is finely divided and has a wide range. Combination models can form larger transmission ratios and lower output speeds.
    • There are various installation forms, which can be installed with any foot, B5 flange or B4 flange. The foot installation reducer has two machined foot installation planes.

    Detail Pictures

    S Series reducer (1)
    S Series reducer (2)

    Frequently Asked Questions

    QWhat is the transmission efficiency of the S series reducer?
    The S series reducer delivers a high transmission efficiency of up to 96% for a single-machine gearbox, making it highly energy-efficient for industrial applications.
    QWhat tooth surface hardness does the S series reducer achieve?
    The gears undergo carburizing and quenching treatment, achieving a tooth surface hardness of 60 ± 2HRC with a grinding accuracy of 5–6 levels, ensuring long service life and reliable performance.
    QWhat installation methods are supported by the S series reducer?
    The S series reducer supports multiple installation forms including foot mounting, B5 flange, and B4 flange. The foot installation reducer features two machined foot installation planes for added flexibility.
    QHow does the modular design benefit users of the S series reducer?
    The fully modular structural design — from casing to internal gears — supports large-scale production and allows flexible model selection. Models can be combined to achieve larger transmission ratios and lower output speeds as required.
    QHow is oil leakage prevented in the S series reducer?
    The S series reducer adopts multiple sealing structures specifically designed to prevent oil leakage, ensuring clean and reliable long-term operation in various industrial environments.
    QDoes the S series reducer operate quietly?
    Yes. The S series reducer incorporates multi-directional noise reduction measures in its design, ensuring excellent low-noise performance during operation — making it suitable for noise-sensitive working environments.

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