{"id":6341,"date":"2025-05-25T20:02:59","date_gmt":"2025-05-25T12:02:59","guid":{"rendered":"https:\/\/dinglidiespring.com\/?page_id=6341"},"modified":"2025-10-20T16:34:13","modified_gmt":"2025-10-20T08:34:13","slug":"spring-winding","status":"publish","type":"page","link":"https:\/\/dinglidiespring.com\/fr\/process\/spring-winding\/","title":{"rendered":"Enroulement du ressort"},"content":{"rendered":"\t\t
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Spring Winding<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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The manufacturing process of springs\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Technical springs are practically everywhere. From mattresses and consumer products to industrial machinery, the spring is ubiquitous. Springs store mechanical energy and provide tension and compression in various applications. While the average person knows what a spring is and what it looks like, most do not know how springs are made or what they are made of. Here we discuss the process of manufacturing springs, how this process varies, and what springs are made of.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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How are springs made?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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The process of manufacturing springs is fairly simple, with some variations based on the type of spring being made. In their most basic form, springs are made through a process of coiling, heat treatment, grinding, coating, and finishing.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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\"\"<\/figure>

1.Compression Spring Design<\/h3>

Our professional design team, leveraging extensive engineering experience, utilizes advanced simulation and design software such as CAD and SolidWorks, combined with Finite Element Analysis (FEA) and dynamic simulation technologies, to deliver highly precise and high-performance customized compression spring solutions for our clients.<\/p>\n\n

We not only focus on the fundamental spring parameters (wire diameter, coil count, free length, stiffness, etc.) but also conduct in-depth analyses of load conditions, operating frequencies, and environmental factors (such as temperature and corrosion) in actual application scenarios, ensuring that our designs achieve optimal durability, fatigue resistance, and stability.<\/p>\n\n

Whether for automotive suspensions, industrial valves, medical devices, or precision instruments, we provide comprehensive technical support from conceptual design to production validation, guaranteeing that each spring precisely meets the client\u2019s technical requirements and delivers outstanding performance in real-world applications.<\/p><\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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2.Spring winding<\/h3>

First, the spring wire is fed into a mechanical spring machine. This semi-automatic machine first pulls the wire straight from the spool in which it arrived, resetting it to a standard straight line. From there, the machine rolls, forms, or bends the spring wire into the desired shape. These processes are described in more detail below:<\/p>\n\n

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  1. Coiling<\/strong>: This process uses a spring coiler or computer numerical control (CNC) spring coiler machine. The technician operating the machine sets it to prepare for the specific type of coil being made and feeds the wire into a set of rollers, which pull the spring wire to a series of guides. Eventually, the guides direct the wire to a coiling point or series of coiling points, which roll the wire backward to form a spring. This type of mechanism forms compression, tension, and torsion springs.<\/li>\n
  2. Forming<\/strong>: This is done using a wire former or CNC wire former. In this type of machine, there are six to eight tool slides on the front, allowing it to perform various types of bends and shapes in addition to the spring coil. As a result, this process can create a series of spring shapes. Spring formers are often used to make tension springs, torsion springs, wire forms, and sometimes compression springs.<\/li>\n
  3. Bending<\/strong>: Wire bending uses a CNC wire bender, a mechanical wire bending machine controlled by a computer. The machine works by feeding the wire into a set of rollers, which pull the wire to wire guides and push it to a movable tool head controlled by the computer. The tool head performs various bends and shapes. The wire bender is usually used to make wire forms.<\/li>\n<\/ol><\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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    3. Heat treatment<\/h3>

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    \nOnce we have formed a spring, it usually has to undergo heat treatment. This process causes the spring to spring back when placed under tension.\n<\/p>\n

    \nDuring the heat treatment process, we treat the spring to a specific temperature for a certain amount of time. The temperature and time setting vary depending on the type and amount of wire used. After this process is complete, the spring may go through additional heat treatment steps, where the spring is quenched or cooled before entering another round. The exact process depends on the type of material and the manufacturing process we use.\n<\/p>\n

    \nIn most of our modern manufacturing processes, heat treatment is carried out using a conveyor oven. When a spring comes out of our spring machine, it falls down a chute onto a conveyor belt, which transports the spring to the entrance of a furnace.<\/p>\n

    \nThe spring is then fed by the conveyor through the furnace at a speed that ensures it stays in the furnace long enough. After the spring emerges from the furnace, it is transported to a receiving cabinet to cool.<\/p><\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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    4. Grinding<\/h3>

    Grinding can be applied to compression springs if the design requires it. During the grinding process, the ends of the spring are flattened, allowing the spring to stand stable when positioned vertically.<\/p>\n\n

    Spring grinding is accomplished using a spring grinder. This grinder has two horizontal grinding discs, spaced apart so that the length of the spring can fit between the discs. A separate component called a socket sleeve holds the spring and moves it slowly between the two grinding wheels.<\/p>\n\n

    As the plate moves, the ends of the spring come into contact with the grinding wheels, working the ends so that the end faces are perpendicular to the side faces of the spring. After this process is completed, the spring is released by the spring holder into a collection tray.<\/p><\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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    5. Spring Prestressing<\/h3>

    Spring shot peening (prestressing treatment) is a process that applies a load exceeding the elastic limit of the spring, inducing controlled plastic deformation to significantly enhance the spring's stability, load-bearing capacity, and fatigue life. This technique not only eliminates internal residual stresses and prevents relaxation deformation during use but also effectively screens out defective products, ensuring that the springs maintain stable and reliable performance under long-term high-load conditions. The core procedure of the shot peening process includes the following three key steps:<\/p>\n\n

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    1. Preloading<\/strong>: Compressing or stretching the spring beyond its normal working limit to cause partial yielding of the material and form plastic deformation.<\/li>\n
    2. Holding Pressure<\/strong>: Maintaining the maximum load for a certain period (typically several seconds to minutes) to allow stress to be fully released and internal structure to stabilize.<\/li>\n
    3. Rebound Inspection<\/strong>: Measuring the free height or elastic recovery of the spring after unloading to ensure compliance with design specifications, and rejecting products with excessive deformation or fractures.<\/li>\n<\/ol><\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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      6. Coating and finishing<\/h3>

      As a finishing touch, springs are usually finished with some sort of coating, plating, or finishing process. In finishing processes, the surface of the spring undergoes additional steps to combat erosion, impart new properties to the spring, or simply improve the overall appearance of the spring. Some examples of common finishing processes include the following:<\/p>\n\n

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      1. Shot peening<\/strong>: Shot peening is a finish applied to cold-worked springs. In this process, spherical shots are blasted onto the wire, resulting in compressive stress and forming layers of compression pits. As a result, the surface of the material hardens, making it more resistant to fatigue, corrosion, and cracking.<\/li>\n
      2. Powder coating<\/strong>: Powder coating is another option for wire spring finishes. Powder coatings are usually applied to hot-drawn springs and help prevent rusting on the spring surface. Coatings can also come in different colors for aesthetics.<\/li>\n
      3. Aftertreatment<\/strong>: Finishes add a final level of functionality to springs, providing new features or simply preserving the life of the spring for the end user.<\/li>\n<\/ol><\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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        7.Marking & Packaging Solutions<\/h3>

        To facilitate seamless international logistics and ensure end-user satisfaction, we offer comprehensive traceable marking and bespoke packaging services specifically designed for global trade.<\/p>\n

        Key Features:<\/h3>\n