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Rolling Mill Reducer

The Rolling Mill Reducer is a core transmission device in a steel rolling production line. Its main function is to convert the high speed of the electric motor into the low speed and high torque power required by the rolling mill rolls to achieve the rolling deformation of the metal billet. Unlike general industrial reducers, this equipment is specifically designed for the high impact loads, continuous operation, and harsh environment (high temperature, high dust) of steel rolling. Its gears are typically made of high-strength low-carbon alloy steel (such as 20CrMnTi) and undergo carburizing and quenching treatment, achieving a tooth surface hardness of HRC58-62, with significantly better wear resistance and fatigue strength than ordinary gears. Structurally, it often adopts a hardened gear surface and modular housing design. The housing is mostly a cast iron or cast steel welded structure, and stress relief treatment is used to ensure rigidity. Its core advantages lie in high torque density (achieving torque output in a compact space through multi-stage gear distribution), precise speed ratio control (transmission ratios ranging from 5:1 to thousands, adapting to different rolling speed requirements), and excellent environmental adaptability (protection level up to IP65, withstanding ambient temperatures from -40℃ to 45℃). Furthermore, the reducer's internal lubrication system uses circulating oil or long-life grease. Key components, such as eccentric sleeves, allow for fine-tuning of shaft positions to reduce clearance wear, ensuring the stability of the rolling process and extending equipment lifespan.

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Product Description

Technical Features
Diverse Structures: Covers parallel and vertical axis layouts, supports horizontal or vertical rolling mill installation, torque range 150–24,830 N·m
Precision Manufacturing Process: Gears utilize CAD/CAM pre-shaping and grinding technology to ensure tooth surface accuracy and meshing smoothness, noise ≤70dB
Innovative Lubrication and Sealing: Circulating oil lubrication system integrates a filter cooling device, multiple sealing structures (such as oil seals and labyrinth combinations) prevent oil leakage
Customizable Adaptability: Customized reduction ratios and shaft end forms according to the rolled material (steel, aluminum, copper) and rolling force (up to 20,000kN static load)

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Construction Cases

  • Port

    Port

  • Construction machinery

    Construction machinery

  • Wind power

    Wind power

  • Mine

    Mine

  • Metallurgy

    Metallurgy

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About Us
TAIXING REDUCER CO., LTD.
As a China Rolling Mill Reducer Manufacturer and Wholesale Rolling Mill Reducer Factory, Taixing Reducer Co., Ltd. was founded in 1984 and is a specialized manufacturer dedicated to the research, development, and production of industrial gear reducers. The company covers an area of 300,000 m², with fixed assets of RMB 380 million and more than 2,000 employees, including 186 engineering and technical professionals. With decades of manufacturing experience, Taixing has developed strong capabilities in reducer design, production, and application integration, providing reliable transmission solutions for a wide range of industrial sectors.
Advanced Manufacturing
Taixing continuously invests in advanced production equipment and technologies. The company has introduced high-precision machinery from Germany, Russia, and the United States, including large gear grinding machines, gear hobbing machines, vertical lathes, and CNC machining centers. To meet the growing demand for large-scale reducers, the company has also installed equipment such as 3-meter gear grinding machines, 3.2-meter gear hobbing machines, and large-scale boring and milling centers, ensuring high precision and stable product performance.
Product Strength
As a specialized reducer manufacturer, Taixing offers 16 major product series and more than 10,000 specifications, with an annual production capacity of 200,000 units. The company focuses on product innovation and quality control, achieving a 99.8% customer satisfaction rate. Its products are designed to meet high industry standards, ensuring low noise, high efficiency, and reliable operation. Several independently developed reducers, including the TXP, NBD, NCD, and three-ring series, have gained strong recognition from the market.
Quality & Brand Commitment
The company strictly controls product quality and production processes to ensure every reducer meets high reliability and durability standards. The Taixing brand reducer has been widely recognized in China and has been used in numerous key national projects and large industrial enterprises.
Customer-Oriented Philosophy
Through continuous innovation and reliable service, Taixing is committed to delivering high-performance reducer solutions and building long-term partnerships with customers worldwide.

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