27
2025
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02
High intensity, high stress, dissimilar parts, special material springs
Author:
For the spring industry, there has long been a passive situation where there is an oversupply of low-end ordinary springs and a shortage of high-end products (high strength, high stress, heterogeneous parts, special materials).
Although the spring industry is a small sector within the entire manufacturing industry, its role is absolutely indispensable. The country's industrial manufacturing and automotive industries need to accelerate development, and as one of the basic components and parts, the spring industry requires a period of advanced development to adapt to the rapid growth of the entire national industry. Additionally, the expansion of the scale and variety of spring products, as well as the improvement of quality levels, are necessary for the renewal of mechanical equipment and the enhancement of supporting mainframe performance. Therefore, the development of the entire national industry plays an important role in spring products. With the continuous development of our country's automotive, tractor, internal combustion engine, motorcycle, electric bicycle, and electrical industries, the variety of springs is gradually increasing, and the quantity is constantly rising. Although the market demand is very large, the industrial structure of our spring industry is quite concerning!
For the spring industry, a long-standing passive situation has formed where there is an oversupply of low-end ordinary springs and a shortage of high-end products (high strength, high stress, special shapes, special materials). Currently, the output of our country's spring industry has approached saturation. According to expert statistics, the annual production of springs in our country has reached 4 billion pieces, with a total of 21 major categories and over 1,600 varieties of spring products, mainly including valve springs, suspension springs, diaphragm springs, shock absorber springs, hydraulic springs, oil pump springs, disc springs, high-temperature springs, retaining rings, tension springs, torsion springs, compression springs, spiral springs, and special-shaped springs. At this stage, our spring products are mainly low-tech general springs, while only a few large-scale manufacturers can produce high-tech products such as special shapes and cross-section products.
The spring industry developed relatively quickly during the "Eighth Five-Year Plan" and "Ninth Five-Year Plan" periods, especially in regions such as Shanghai, Tianjin, Guangzhou, Shandong, Changchun, and Chongqing, where development was faster. Other regions also experienced varying degrees of development, overall performing better than other industries. From the current situation, industries such as automotive, motorcycles, electric bicycles, internal combustion engines, electrical, and instruments still need to develop, and the development of these industries will drive the growth of the spring industry.
Our country's spring product varieties are incomplete, mostly consisting of low-tech products that are simple in structure, easy to form, and in large quantities, while only a few manufacturers have the capability to produce complex high-precision technology products, and the output is far from sufficient to meet market demand. There are also certain gaps in product performance compared to similar foreign products, such as load precision and verticality precision, which reflect in unstable performance, with some important quality indicators showing significant variability and unstable service life. Especially when the mainframe requires springs to operate under high speed and high stress conditions, the contradictions are even more prominent. In the future, the development direction of springs should be: high strength, long life, lightweight, miniaturization, special shapes, and combinations. Strengthening the development of new spring products, increasing research efforts for new products, and continuing to expand the variety and specifications of spring products.
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Our products include: vegetable basin spring, faucet drawing spring, straight tube spring, plastic-coated straight tube spring, constant temperature spring, compression spring, tension spring, torsion spring, special-shaped spring, etc., with more than 100000 kinds of specifications, which can be customized according to drawings or samples.
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