What are the characteristics of Material tempering & Gear high-frequency quenching?

Zero degree spiral teeth gears are a unique type of gear designed for transmitting movement and power between intersecting axes. With a straight tooth shape and a helix angle of zero degrees, these gears offer stable tooth surface contact during meshing. They're perfect for high-precision and high-efficiency transmission scenarios, ensuring smooth and reliable performance.

Advantages

High precision: The zero-degree spiral tooth design minimizes meshing errors, making it perfect for scenarios where transmission accuracy is crucial.

Low noise: The smooth contact between the tooth surfaces ensures quiet operation, ideal for precision instruments and high-end equipment.

High efficiency: Zero-degree spiral teeth boast high transmission efficiency, meeting the demands of high-efficiency applications.

Lightweight: Optimized for material use and structural design, these gears are lighter than traditional ones, making them great for lightweight equipment.

Zero-degree spiral teeth, known for their high precision, low noise, and efficiency, play a crucial role in various industries like automobiles, engineering machinery, aerospace, and precision instruments. As new energy vehicles, smart manufacturing, and aerospace sectors continue to grow, the future looks bright for zero-degree spiral teeth. Thanks to ongoing technological advancements and supportive policies, their competitive edge is set to strengthen even more.

Why choose us?

Since 1994, we've been committed to creating top-quality internal bevel and custom gears. With over 30 years of experience, we adhere to strict ISO 4-6 standards. Quality is our top priority, and we meticulously craft each gear for reliability and durability. We're confident that our customized, high-quality solutions will exceed your expectations and perfectly meet your needs.

Our team includes a doctoral-degree holder, a respected member of the China Gear Standardization Technical Committee, and a graduate student specializing in bevel gear research.

We're proud of our advanced CNC seven-axis, five-linkage spiral bevel gear grinding and milling machines in our factory. We also have a full suite of cutting-edge production and testing equipment to ensure every product meets the highest standards of quality and efficiency. Let us help you find the perfect gear solution today!

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!