High Precision ISO 4-6 Grade Industrial Gearbox Gear with HRC 58–62 Hardness and DIN 6 Precision

Industrial Gearbox Gear – The Core of High-Precision Transmission

The industrial gearbox gear is designed for heavy-duty applications in metallurgy, mining, chemical plants, and energy systems. Made from premium alloy steel with advanced carburizing and grinding processes, the gear ensures high precision, wear resistance, and long service life. With optimized tooth design, each reduction gear guarantees smooth and efficient torque transmission, even under continuous heavy loads. Choosing our gear for an industrial gearbox means choosing reliability and efficiency.

Key Features & Advantages

• High Strength & Durability: Made from alloy steel with advanced heat treatment for superior hardness.

• Precision Transmission: Grinding and finishing technologies ensure accurate tooth profiles and smooth meshing.

• Low Noise Operation: Optimized tooth design minimizes vibration and operational noise.

• Wear Resistance: Surface hardening enhances resistance against heavy load and long-term usage.

• Customizable Options: Available in different sizes and specifications to fit various industrial gearbox models.

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Applications of Industrial Gearbox Gear

• Metallurgy & Mining – For high-torque, continuous operation in crushers and conveyors.

• Energy & Power Plants – Supporting turbines, pumps, and other heavy-duty machinery.

• Cement & Chemical Industry – Providing stable transmission in mixers and processing equipment.

• Automation & Manufacturing – Ensuring smooth operation in production lines and robotic systems.

• Marine & Port Equipment – Delivering reliable power transmission for cranes and lifting systems.

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Manufacturing & Quality Control

To guarantee the highest performance, every gear for an industrial gearbox undergoes strict production and inspection procedures:

• Precision machining with CNC equipment.

• Carburizing and quenching for improved hardness.

• Gear grinding for accuracy and smooth transmission.

• 100% inspection on tooth profile, hardness, and dimensional tolerance.

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Why choose us?

Since 1994, we’ve been at the forefront of creating top-quality internal bevel gears and custom gear solutions. With over three decades of expertise, we follow ISO 4-6 standards, guaranteeing that every product meets the highest quality benchmarks. Our gears are built for outstanding reliability and durability. We’re confident that our premium, custom solutions will surpass your expectations.

Our team comprises seasoned experts, including a doctoral graduate, a respected member of the China Gear Standardization Technical Committee, and a postgraduate researcher specializing in bevel gear technology. Their deep knowledge drives our technical innovation and dedication to meeting industry standards.

Our cutting-edge production facility features advanced CNC seven-axis, five-linkage spiral bevel gear grinding and milling machines, alongside a comprehensive range of modern manufacturing and testing equipment. Every step of production is carefully monitored to ensure our products deliver the best quality and efficiency.

Our company was formerly known as Changsha Double Star Gear Industrial Co., Ltd, which was established in 1994. It is a directly affiliated university-run enterprise founded by Central South University Professor Zeng Tao, the leading expert on spiral bevel gears in China. It was later renamed as Changsha Senjie Gear Co., Ltd (abbreviated as "CSG") in 2016. CSG is a production R&D base specializing in professional design, reserch, manufacture and sales of high-quality small module spiral bevel gears and high reduction hypoid gears and cylindrical gears. In 2023, Hunan Dinghan New Material Technology Co., Ltd. was established as a specialized international export business department. CSG has strong scientific research and development capabilities and is also equipped a full set of advanced equipment including seven-axis five-linkage CNC spiral bevel gear grinding machines and gear milling machines. By making the best use of the scientific and technological achievements and equipment of the Gear Research Institute of Central South University, machanical processing, heat treatment and testing. We have developed high-quality products featuring high reduction, high speed, heavy load, low noise and less teeth for users.

With the quality policy of "scientific and technological innovation, quality first, being first-class firm and customer‘s satisfaction", we have won the trust of well-known domestic and abroad enterprises with stable and excellent quality. It is committed to be a pioneer of the industry of China's small-module spiral bevel gears, and is dedicated to providing service for any related industry requiring industrial robots, CNC turning and milling compound power tool turrets, industrial sewing machines, reducers, bicycles, power tools and aeromodelling. We sincerely look forward to your cooperation!