In recent years, the market demand for precision building materials components in China has been continuously increasing, forming a complete industrial chain from design, production, processing, and manufacturing. More and more enterprises are entering this field to inject vitality into the prosperous market. It has changed the situation where China has been significantly lagging behind developed Western countries since the founding of the country. I believe that it will maintain a stable development trend in the new year of 2020.

The gear industry is the fundamental industry of China's equipment manufacturing industry, with high industrial correlation, strong employment absorption, and intensive technology and capital. It is an important guarantee for the equipment manufacturing industry to achieve industrial upgrading and technological progress. After nearly 30 years of development, China's gear industry has fully integrated into the world's supporting system and formed a complete industrial system; The historic transformation from low-end to mid-end has been achieved, and the gear technology system and gear technology standard system have been basically formed; Industries such as automobiles, construction machinery, motorcycles, wind power, and high-speed trains are driving the development of China's gear industry, and the scale of the gear and rack industry is constantly expanding.

In 2017, the market output value of China's gear industry was 236 billion yuan, ranking among the top in the world. In 2018, the output value of gear products is expected to reach 260 billion yuan, accounting for approximately 61% of the total output value of mechanical general components. But there are some issues behind this. China still needs to import a large amount of high-end gears, and only a few high-end gear production crystals have reached the international advanced level. Due to the dependence of high-end gears on imports, there is a significant trade deficit between imports and exports. There is still a significant gap in power density, reliability, lifespan, and noise compared to international advanced levels.

The main problems faced by the domestic gear and rack industry

① In terms of gear design, there is insufficient research and application on gear tooth modification.

Transmission error is the main cause of vibration and noise in gear transmission systems. In engineering, gear modification can be used to improve the force on the tooth surface, reduce transmission error fluctuations, and thus simulate the vibration and noise of the transmission system. Therefore, studying the mapping relationship between gear tooth modification parameters and gear pair transmission error fluctuations has important theoretical and engineering significance for guiding gear modification and improving transmission performance.

② The professional research and development of simulation software for gearboxes lags behind, and its application is also insufficient. The software heavily relies on imports.

③ Problems with gear steel

Gear steel requires high strength, toughness, fatigue strength, and wear resistance. In order to produce high-quality gear steel: On the one hand, steel mills are required to provide users with gear steel products with stable hardenability and adaptability to user process requirements. On the other hand, it is also necessary to optimize existing processes and introduce new ones to improve the quality of steel.

There are issues with the integrity control of the gear surface.

Surface integrity manufacturing and forming manufacturing are not contradictory. Forming manufacturing is shape manufacturing, which is the preceding process of surface integrity. Surface integrity manufacturing is performance manufacturing, which is the improvement and guarantee of surface performance on the basis of forming manufacturing. Therefore, while maintaining some cost advantages, the variable speed gear industry must rely on new advantages such as technological progress, quality improvement, and product cost-effectiveness to expand exports. The fundamental force driving technological progress and innovative development in the industry is irreversible, and it is expected that the entire industry will achieve stable development at an average annual growth rate of about 30% in the process of transformation and upgrading. In addition to surface hardening to improve the hardness and strength of the surface layer, gears often use shot peening, rolling, and laser impact strengthening after surface hardening treatment to introduce residual compressive stress to improve the residual stress state within the surface layer and further enhance the service life of gears.

Gear reducers help accelerate the development of equipment manufacturing industry

As a member of the national precision industry, our Taiwen T-win has the responsibility and courage to undertake the construction of China's huge reducer industry. We will adhere to the market awareness of "customer first", the business philosophy of "honesty, trustworthiness, and commitment to excellence", and the work style of "teamwork, diligence, and pragmatism". We will strive to have better performance and more efficient services in the future to meet the needs of the industry! Make your own contribution to the precision industry in our country.