Spiral Bevel Gear Reducer Gear Components Precision Gear Transmission

As one of the core components of mechanical transmission, gears have strict processing technology requirements, especially for the processing of non-standard transmission gears. The technical requirements for gear processing will be introduced below.

1. Accurate measurement of gear geometry
The processing of non-standard transmission gears requires first measuring their geometry to ensure that it meets the design requirements. Commonly used measurement methods include three-coordinate measurement, optical measurement and manual measurement. When making measurements, attention must be paid to the accuracy and stability of the measuring instrument, as well as the impact of environmental factors such as temperature and humidity during the measurement process on the measurement results.

2. Parameter selection for gear tooth surface processing
Tooth surface processing of non-standard transmission gears is a key step to ensure gear transmission efficiency and service life. When performing tooth surface processing, appropriate processing parameters need to be selected according to the specific application requirements of the gear, including gear module, number of teeth, tooth width, etc. At the same time, the physical properties such as hardness and strength of the gear material must also be considered to ensure that the quality of the processed tooth surface meets the requirements.

3. Cooperation requirements of gears and gears
Non-standard transmission gears usually need to be used in conjunction with other gears, so the matching accuracy between gears is required to be high. When mating, it is necessary to select the appropriate mating clearance and mating method according to the actual application conditions to ensure the smoothness and reliability of the gear transmission. In addition, the impact of gear running-in, wear and other factors on the matching accuracy must also be considered.

4. Selection and debugging of gear processing equipment
The processing of non-standard transmission gears usually requires the use of professional processing equipment, such as gear processing machine tools, gear grinders, etc. When selecting equipment, factors such as the size of the workpiece to be processed, accuracy requirements, and production efficiency need to be taken into consideration. At the same time, during the equipment debugging stage, reasonable parameter settings and operating process adjustments need to be made to ensure that the equipment can operate stably and meet the processing requirements of the workpiece.

The technical requirements for non-standard transmission gear processing cover many aspects such as the measurement of gear geometry, parameter selection for tooth surface processing, requirements for matching accuracy, and the selection and debugging of processing equipment. Only when the technical requirements are fully met, non-standard transmission gears can exert their due transmission functions and service life.

ToothGleasonProfile angle20°Midpoint helix angle35°Accuracy 5Gear backlash0.35-0.45Material 18CrNiMo7-6Heat treatment Carburizing and quenchingSurface hardnessHRC59-62Core hardnessHRC35-46

Dingsco manufacturing advantages

1. Our strengths lie in utilizing high-quality materials, employing skilled craftsmanship, and utilizing state-of-the-art precision equipment for customized design and processing.

2. Our products are renowned for their robustness, exceptional strength, impressive torque capacity, and outstanding mechanical properties.

3. With a focus on high rotation efficiency, our gears ensure stable and seamless transmission, resulting in extended service life, noise reduction, and superior shock absorption.

4. With three decades of expertise in gear processing, we have established ourselves as specialists in the field.

5. Our gears undergo carburizing and quenching processes on the tooth surface, enhancing their wear resistance, ensuring reliable operation, and delivering exceptional load-bearing capacity.

6. We offer the option of grinding the tooth surface, guaranteeing even higher precision in our gears.

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!