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What are constant force springs and how are they used?: Constant force springs are specialized springs that are used to provide a constant force over a range of motion. This makes them ideal for use in a variety of applications, such as automotive or robotic systems.under we will take a closer look at what constant force springs are and how they can be used. What are constant force springs? A constant force spring is a type of spring that produces a constant force over its entire range of deflection. This type of spring is often used in applications where a stable force is required, such as in the actuation of a valve. Constant force springs don’t have much in common, either in form or function, with standard helically wound springs. For starters, constant force springs are formed from pre-tensioned metal strips, rather than wire. At their most basic level, however, constant force springs do exactly what other springs do. That is, they conform to Hooke’s Law. Hooke’s Law essentially states...

Pretrattamento termico di primavera: Spring has been very common in people's daily production and life, ranging from planes, trains and cars to household appliances and daily necessities, and even children's stationery for school. It can be seen how important spring is to our life. What is the definition of spring? It is a mechanical part that uses elasticity to work. Generally made of spring steel. It is used to control the movement of mechanical parts, mitigate impact or vibration, store and measure the size of force. It is widely used in machines and instruments. For a professional spring manufacturer, the most basic production goal is to infinitely pursue the high quality of products. Therefore, in order to improve the performance of the spring, it is often assisted by pre heat treatment, that is, the process of strengthening the quality of spring steel is used to further strengthen the spring. In fact, the so-called pre heat treatment is what we often...

Do you really understand the variable force spring？: The variable force springs can break through the traditional spring affected by Hooke ' s law, so that the stroke and force are no longer proportional to increase, but can achieve a variety of elastic displacement combinations such as negative slope stepped fixed force. According to the needs of mechanical engineering, the relationship between elastic force and displacement stroke can be used to design various elastic curve changes in specific occasions, which is the output force value can be arbitrarily desired. The variable force springs can be customized for various elastic curve changes according to specific occasions, such as department store shelves propulsion device, pen-type drug syringe ( insulin ) and cordless curtain. What are the reasons for using variable force springs in these applications ? What are they trying to achieve ? In the point of purchase display, variable force springs are commonly used in trays that push product forward in a controlled manner. Variable force spring corporated into pusher trays aid...

Design steps of constant torque spring: Constant torque spring is a constant force spring with special force moving between two spools. The spring is stored on the storage spool and wound reversely on the output spool. When released, torque is obtained from the output spool when the spring returns to its natural curvature on the storage spool. The spring does not need to be connected to the storage spool. The spring can be installed in a cavity without storing the spool at all. However, friction will then be introduced and torque requirements will change. The torque generated by the constant torque spring will increase slightly after several revolutions. Constant torque, even negative torque, is also possible. Negative gradients of up to 50% can be achieved in some applications. As for the design of constant torque spring, when considering the use of constant torque spring, it is strongly recommended that you talk with Qianye engineers and study various design parameters. Some initial design calculations can be carried out...

[Precisione Qianye] Design fisico e forza di rinculo della molla a forza costante: In most types of springs, when the spring is compressed and then relaxed, the force applied is proportional to the distance the spring is stretched. Unlike ordinary springs, constant force springs do not comply with this rule. Due to the physical design of constant force spring, its return force remains constant. Therefore, constant force springs are useful in many applications that require consistent recoil. The behavior of ordinary springs can be described by a mathematical equation called Hooke's law. The law points out that the force of the recoil spring in the recoil direction is equal to the distance between the spring displacement and the equilibrium point. In other words, it is how much the spring is elongated and multiplied by the mathematical constant, that is, the spring stiffness. The spring recoils in the direction opposite to the stretching direction. Because many elastic materials work in this way, Hooke's law has a wide range of applications in the field of physics. ...

Constant force spring Product

Molla a forza variabile: Characteristic: The appearance of variable force spring and variable torsion spring is very similar to constant force spring and constant torsion spring. Variable force springs and variable torsion springs can break through the influence of Hooke’s law on traditional springs, so that stroke and force no longer increase proportionally, but can achieve various elastic force-displacement combinations such as negative slope stepped constant force, which can be mechanically For engineering requirements, use the relationship between elastic force and displacement stroke to design various elastic curve changes in specific applications. There are a variety of different variable force springs, variable torsion spring application designs, and solutions. The manufacturing range of variable force springs and variable torsion springs: The thickness is 0.05~0.85mm, and the width is 2.0~65mm.

Molla a torsione costante: Characteristic: The fixed (constant) torque spring (spring) is made of stainless steel. The external force rewinds the mainspring from its natural state to the output wheel (energy storage). When the external force is removed, the spring will return to its natural state. At the same time, a constant torque force (stored elastic force) is generated (released) on the output wheel, so it is called a constant torque generator. strip. Belongs to (a use method in constant force spring) Advantage: The advantages of fixed-torque springs compared to power (scroll) springs: 1. The torque will not change due to the increase in the number of revolutions. To 2. There is no limit to the number of available turns, and the design of multi-turn turns mostly adopts a fixed-torque spring. To 3. The number of invalid rotations is small, more energy can be stored, and the efficiency is higher. To Manufacturing range of fixed torque spring: The thickness is 0.05~0.85mm, and the width...

Primavera di potenza: Characteristic: The power spring is coiled by steel strip. A spring box is required to limit its outer diameter. The center of the spring is connected to the shaft. When an external force is applied to make the shaft and the spring rotate relative to each other, the spring will be wound on the shaft and stored Torsion, when the external force disappears, the spring generates torsion on the shaft or spring box. Advantage: Power springs are divided into natural power springs and pre-stressed power springs according to their relaxed shape. In contrast, the pre-force type power spring can store 25% to 55% more torque and provide more effective turns. Product manufacturing range: The thickness is 0.05~0.85mm, and the width is 2.0~60mm. Principle of the scene: The high-precision pen injector uses a unique power spring to provide small and highly accurate drug dosages. A fixed amount of medicine is injected into the body through the constant force of the spring...

Molla a forza costante: Characteristic: Constant force (constant force) springs are rolled by stainless steel strips. The high-strength steel strips are shaped by specific production spring equipment. When the external force straightens them, the spring will naturally wind back and produce elasticity, but it reaches us The goal can return to the starting point we specified after being shifted. Advantage: The advantages of constant force spring over traditional wire spring: 1. In a very small installation space, a very high elastic output can be achieved. 2. Maintain a constant elasticity in all strokes. 3. The pre-stroke stroke is short, and only a short stroke is needed to achieve the required elasticity. 4. The original length is less than the wire spring, and the stroke is unlimited. The manufacturing range of Dingli Clockwork: The thickness is 0.05~0.85mm, and the width is 2.0~60mm. Principle of the scene: The constant force spring has the characteristic of maintaining a constant force during a long stroke, and can achieve...

Servizi di montaggio e montaggio: Qianye Company non fornisce solo la produzione di molle di precisione, ma si concentra anche sulla progettazione strutturale e sulle soluzioni funzionali dell'intero sistema di molle e può fornire un set completo di produzione e assemblaggio del sistema

Servizio di progettazione di ottimizzazione: From product ideas, design to finished product manufacturing, we can assist customers in completing them, and help customers optimize their products from the professional perspective of spring use, speed up product development, and speed up time to market. From the initial stage of spring component design, production to final assembly, customers choose the advantages that Qianye can get. 1. Save product development time 2. Give you a variety of solutions, choose the desired optimization solution 3. The spring that best suits your product 4. Serve you for life and satisfy any technical support you have.

Constant force spring News

Application of power spring in abdominal health wheel: Abdominal health wheel is a small pusher that can exercise muscles, joints and reduce weight. The material is generally high-quality engineering plastic, with simple design, beautiful appearance, firmness and durability, and easy to use. It is used to exercise the fat of abdomen, waist, hip, arm and other parts of the body. Due to the simple site required for exercise, it is convenient for home use. The abdominal health wheel with power springs can make people easily complete the recovery movement under the retraction elastic force of the power springs when people use it for exercise and when the body is straightened. As we all know, the characteristic of the power springs are made of steel strip. In use, a spring box is required to limit its outer diameter. The center of the spring is connected with the shaft. When an external force is applied to make the shaft rotate relative to the spring, the spring will roll on the shaft center and store the torque. When the external force disappears, the spring will produce the torque on the shaft or spring box. Power springs are often used in products of automatic rewind devices. The handle rod of the abdominal health wheel is rotationally connected with the wheel body through a bearing, and the handle rods on both sides of the wheel body are provided with power springs. The handle rod passes through the center of the power spring, the inner end of the power spring is connected with the handle rod, and the outer end of the power spring is connected with the side of the wheel body. The handle rod...

Principio fisico alla base della molla a forza costante: When you walk into your office building on your way to work every day, or into your local bank, or any commercial facility, you may open a heavy glass door. When you cross the threshold, the door closes behind you, and you don't think about it. However, the heavy glass door was probably closed by a constant force spring. Constant force springs are widely used in daily applications. From door closers to rope and hose retractors, to sports equipment, toys, motors, etc., constant force springs exert force at an amazing high frequency and consistency. Let's take a closer look at the basic physics behind the constant force spring. In the 17th century, the British physicist Robert Hooke proposed a formula for force and elasticity, which is now called Hooke's law. Hooke's law states that the force (f) required to stretch or compress a spring for a distance (x) varies linearly in proportion to that distance. The formula is f=kx, where k is a constant and represents the stiffness of the spring. Constant force springs in terms of actual spring performance, Hooke's law is nominal. In the equation, the distance X that the spring moves is a relatively small number. Finally, any elastomer that is stretched or compressed beyond the stress limit of its material composition will show signs of deformation. Therefore, the force properties that depend on the consistent shape and tension state will change in the deformation state. Ideally,constant force springs will exert a consistent force over a given range of motion, repeating without changing. In fact, constant force springs, like all elastomers, are limited...

3 types of springs and some common applications: Smooth Range of Motion: Constant Force Springs Constant force springs provide a smooth range of motion and constant load, meaning they do not follow Hooke’s law. They are uniform in length and coiled into a permanent diameter. Constant force springs are frequently used for applications that require counterbalancing, including windows. In fact, window balance springs are one of our most successful products. In addition, the springs we manufacture are often designed for medical devices and aerospace applications. Their smooth range and steady motion control enhance instrument articulation. High Torque with Little Rotation: Spiral Torsion Springs Spiral torsion springs are another popular product we manufacture.These springs are ideal for applications that require high torque and less than 360 degrees of rotation. (270 degrees maximum is preferred). Spiral torsion springs are commonly used in applications that require a “return to center” function, like a medical instrument joystick. They’re also ideal for electric motors and automotive applications. If your application requires this “return to center” function, developing a custom spiral torsion spring may be the best solution. Torque with Significant Rotation: Power Springs Power springs (also referred to as clock springs) are appropriately named due to their rotational energy that takes the form of torque. The torque increases as the spring is wound tighter. They are wound around an arbor or shaft and are retained in a housing. Their large rotation capabilities make them an ideal spring for a number of automotive applications or medical devices. Power springs are also frequently used for counterbalance mechanisms in industrial sectors. Custom vs. Stock Springs: Which are Best for You? As you begin to develop...

No matter how small the shower room is, I suggest you install a bath stool: No matter how small the shower room is, it is also recommended that you install a bath stool directly on the wall, which is stable and convenient! I've seen a social news before. It's about a pregnant woman who took a bath at home and slipped and had an accident. To be honest, no one wants this to happen, but because many detailed problems were not paid attention to during the decoration, it led to a series of problems! In fact, when decorating the shower room, we must take safety measures. Not only families with elderly, children and pregnant women, but also ordinary people need a safe environment for bathing. After all, the shower room is a place with large water consumption. It doesn't pay to fall and hurt! The first step of safety measures is to choose anti-skid bricks on the ground. Secondly, for families with elderly, children and pregnant women, it is best to install a bathing stool. Don't think the bath stool takes up space. It has many functions! And only one square meter of space can also be installed, directly installed on the wall, stable and convenient! At ordinary times, the bath is standing and washing. It is inevitable that there will be tired and uncomfortable after a long time. If there is a place in the shower room where you can sit and rest, it is absolutely convenient and comfortable. You can not only sit and rest, but also sit in the bath. For example, when rubbing your legs, you don't have to bend down...

Do you really understand the variable force spring？: The variable force springs can break through the traditional spring affected by Hooke ' s law, so that the stroke and force are no longer proportional to increase, but can achieve a variety of elastic displacement combinations such as negative slope stepped fixed force. According to the needs of mechanical engineering, the relationship between elastic force and displacement stroke can be used to design various elastic curve changes in specific occasions, which is the output force value can be arbitrarily desired. The variable force springs can be customized for various elastic curve changes according to specific occasions, such as department store shelves propulsion device, pen-type drug syringe ( insulin ) and cordless curtain. What are the reasons for using variable force springs in these applications ? What are they trying to achieve ? In the point of purchase display, variable force springs are commonly used in trays that push product forward in a controlled manner. Variable force spring corporated into pusher trays aid in front-facing the product, allowing shelves to look stocked at all times. These trays allow for a more organized store inventory, as well as assist in keeping track of inventory needs. Variable Force springs are designed around the weight of the products they are pushing. This means that they are always designed in a way where the product never gets slammed or compromised while being selected. These springs allow for most any product to be pushed consistently, regardless of the weight. Allow for the product to be shopped hassle–free by the customer. Products include cosmetics, health/medicines, beverage, food and much...

Constant Force Springs: The extension type of Constant Force Spring represents the most basic, yet most versatile, type of constant force spring. It is a pre-stressed flat strip of spring material which is formed into virtually constant radius coils around itself or on a drum. When the strip is extended (deflected) the inherent stress resists the loading force, the same as a common extension spring, but at a nearly constant (zero) rate. A constant torque is obtained when the outer end of the spring is attached to another spool and caused to wind in either the reverse or same direction as it is originally wound. The full rated load of the spring is reached after being deflected to a length equal to 1.25 times its diameter. Thereafter, it maintains a relatively constant force regardless of extension length. The load is basically determined by the thickness and width of the material and the diameter of the coil. Qianye Spring offers a stock of constant force springs in a variety of life cycle ranges. Each spring is a coil of high-yield Type 301 stainless steel band that exerts a nearly constant binding force to resist unwinding. We can also provide custom constant force springs to your specifications. Guide to Mounting Constant Force Springs A Constant Force Spring is usually mounted by first tightly wrapping it on a drum, then attaching the free end to the loading force such as in a counterbalance application. This relationship can also be reversed. 1.The drum diameter should be 10% to 20% larger than its natural inside diameter. 2.One...

Application of Power Spring in Gas Station: The gas station is a familiar place for everyone. Do you find that the lines of the gas gun are all exposed when passing through the gas station or entering the gas station to refuel? They look messy and unsafe. The car needs to refuel, so you have to go to the gas station to refuel. With the continuous growth of car owners, the passenger flow of gas stations is also increasing. Have you seen the news of the gas station explosion? After a car in a gas station was refueled, due to the negligence of the Refueller, the Refueller did not take out the refuelling gun from the fuel tank port, and the driver of the owner did not check the surrounding conditions of the car, so he started the car. Then the car drove the refueling gun and oil line, pulled down the refueling end connected with it, and caused an explosion. This kind of news is very sad. Once an explosion accident occurs in the gas station, it may cause the explosion of the whole oil tank in the station. Its power is very huge, and the personnel in a certain range around may be seriously threatened. It is understood that the lines of gas guns in foreign gas stations use money collection devices. Now there are a small number of applications in China. At present, there is no large-scale application in gas stations. It uses the characteristics of winding up. It can bring a free contraction process to the line group, and make its winding easier...

Advantages of Qianye power spring in electrical take-up: As we all know, take-up spring can help take-up. It is used in many electrical products, and hair dryer is no exception. However, all such household appliances have a common feature, that is, they need a wire group to connect the power supply. However, this power line will bring some trouble to our sorting. The function of winding up lies in this. It can bring a free shrinkage process to the electrical wire group and make its winding up easy and practical. In fact, although the process of electrical wiring is not a high-end principle, it is better than cleverness. Its working principle is not complicated. It uses the spring box to limit the outer diameter, so that the center of the spring is connected with the power shaft. When the line is pulled out, it can make the shaft and the spring rotate relatively, and the spring will roll on the power shaft and store the corresponding kinetic energy. When the external force disappears, the spring will generate torque to drive the power shaft, so that the line can be retracted back into the box. In the take-up function of the reel, the effect of the power spring can not be underestimated. It can often help the required goods to take up the line quickly and simply, and become an auxiliary software favored by people. It is also due to the spring to store kinetic energy. It uses the characteristics made by the spring bearing force, and effectively uses its mechanical energy storage and driving force output, so that...

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