Constant force spring mechanism

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How to get the most out of your device with Variable Force Spring: If you're looking for ways to get the most out of your variable force spring, you've come to the right place! We will take you to understand. What is a variable force spring and what are its uses? A variable force spring is a device that allows a user to adjust the amount of force applied to a plunger. This type of spring is often used in medical devices, such as syringes, to ensure a consistent level of force is applied with each use. How do you maximize the performance of your variable force spring? There are a few things you can do to maximize the performance of your variable force spring. First, make sure that the spring is properly aligned with the moving parts it is supposed to be interacting with. Also, make sure that there is no debris or other obstructions in the way. Finally, make sure that the spring is properly lubricated. What are some of the...

Analysis on the causes of carbon brush fault of generator set: In recent years, several safety briefings have successively reported shutdown accidents caused by carbon brush or rotor collector ring failure of large generator units, resulting in great economic losses to the enterprise.Carbon brushes are motor brushes. Improper maintenance and use of the carbon brush of the generator set during operation will cause accident load reduction or even shutdown. Factors leading to carbon brush fault Electromagnetic factors : when reactive or excitation current is adjusted, the spark of carbon brush has obvious change. When the exciter commutates, the contact between the carbon brush and the commutator is not good, and the contact resistance is too large ; the uneven thickness of the oxide film of the rectifier or slip ring causes the unbalanced distribution of carbon brush current ; or sudden change of load and sudden short circuit lead to abnormal voltage distribution between commutators ; unit overload and imbalance ; carbon brush selection is unreasonable, carbon brush spacing...

How long can constant force spring be used ?: Constant force spring, also known as hair spring, is made of stainless steel strip. The force added to the spring determines the diameter, force and life of the spring. The action of constant force spring is similar to that of stretching ribbon. The spring stretches and rolls back, and the working part is tangent to the spring ' s own circle. As long as the diameter of the spring is certain, the force of the spring is constant. According to the application principle of constant force spring, constant force spring can be divided into linear constant force spring and rotational constant torque spring. When linear stretching force units are : kg, Newton, pounds, etc. Then how long can the constant force bar be used ? The life of the constant force bar is limited, and the life requirement of the spring should be considered when designing the constant force bar. This step is important because it affects the...

Wie man die Feder mit konstanter Kraft dazu bringt, mehr Kraft zu erzeugen: A common way to install a constant force spring is to use two or more springs to obtain greater force in a narrow space. This may be necessary if the diameter or width of a single spring exceeds the allocated space, but there is room to add multiple smaller springs. When engaging multiple springs, a much smaller spring design can be used. The total force is the sum of the spring forces. When combining springs, it is recommended to use the same spring for multiple installation. Compared with using two or more completely different springs to realize the load, this method is more economical and the design will be simpler. Since the force is the sum of the springs, the total force required should be evenly distributed between the number of springs used. We will discuss three different mounting methods for use with multiple springs. 1、 Back to back method The back-to-back method uses two...

Qianye precision has developed an optimized power spring solution: The power spring is formed by winding the steel belt on the mandrel to produce a compact power source, which can have mechanical functions such as driving, tensioning and loading, recovery and automatic rewinding. Qianye Precision Co., Ltd. is one of the leading manufacturers of steel strip springs in the world. It has developed a variety of power springs for many interesting application examples. Let's give some development cases to industrial engineers for reference. The power spring can store the driving force. When it is applied to pen type drug syringes, the power spring can accurately generate the driving force matching with the sliding force of the traditional syringe needle tube, so as to completely inject drugs. When it comes to the position movement and height adjustment of machines and equipment, the most important thing is accurate positioning performance and operation convenience. Qianye precision is the power spring of the stay wire positioning encoder for position mobile applications, which has excellent precision positioning performance. The power spring has retractable function...

7 tips for maximizing spring cycle life: Spring is a kind of mechanical part that uses elasticity to work. The parts made of elastic materials deform under the action of external force, and return to the original state after removing the external force. Also known as "spring". It is generally made of spring steel, and the types of springs are complex and diverse. The following tips to maximize the service life of the spring are also of great concern to you! 1. Lower Stress, The Better! In the early design stages of a spring, try designing with a larger wire diameter or a lower final load to allow more room for the spring to improve cycle life. 2. Shot Peening A shot peened spring can handle more stressful conditions than unpeened springs. This process can greatly improve performance and sustainability. 3. Keep Cool Spring relaxation or loss in spring load occurs faster in high temperature applications due to stress over time....

[Qianye Precision]Advantages of constant force spring: The unique quality of constant force spring makes it a perfect balance for heavy moving parts. If your equipment requires springs, consider constant force springs. This is a kind of tension spring. They do not obey Hooke's law, so their force remains unchanged, even when deflected. Constant force spring can be used in almost all kinds of products. Some of the largest consumers are medical device manufacturers. Machines, dental X-ray equipment - and almost any articulated and heavy equipment - are equipped with constant force springs. Smaller constant force springs for medical devices are also part of syringes and drug injectors. We can also find a large number of constant force springs in daily necessities, such as retractable key chain, retractable dog rope, vacuum cleaner, thread winder, safety belt, window balance system, indoor shutter and monitor lifting and so on. Due to the flat force curve of constant force spring, constant force spring is suitable for applications requiring stable motion range and constant load. To...

[Qianye-Präzision] Verstehen Sie alle Aspekte der Kraftfeder: What is a power spring? 1. The power spring is a coil spring, which is made of stainless steel band. Power springs store and release rotational energy in the form of torque through a central mandrel or spring housing. 2. The power spring has a power rotation torque in a limited space when working, and is usually used for cable reels, dog leashes, medical equipment, etc. 3. Power springs are also called clock springs, coil springs, and helical torsion springs. 4.Power springs are divided into conventional power springs and prestressed power springs. Pre-stressed power springs Compared to traditional power springs, pre-stressed power springs increase the recoil process and can provide 25-55% greater output than traditional power springs. What are the advantages of a power spring? 1. High torque transmission per unit deflection. 2. Normal residual stress. ...

Constant force spring mechanism Product

Konstante Torsionsfeder: 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...

Kohlebürstenfeder: Characteristic: 1. Due to the constant force, regardless of the length of the carbon brush and the commutator, the pressure remains the same. 2. Constant force spring reduces carbon brush loss, prolongs the life of carbon brush, and reduces current loss. To 3. Small motors can be designed to reduce the outer diameter of the motor. 4. The length of carbon brush can be increased. To 5. A larger commutator can be used. To 6. Reduce sparks and reduce electromagnetic interference. Constant force spring for single roll carbon brush 1. Carbon brush width 2. Carbon brush height: The spring width must be smaller than the carbon brush height 3. Length of abradable carbon brush: The spring stroke must be greater than the length of the abradable carbon brush 4. Contact pressure required for carbon brush and commutator: required spring force Constant force spring for double-rolled carbon brush 1. Carbon brush width 2. Carbon brush height: The spring width must be...

Optimierungsdesign-Service: 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.

Feder mit variabler Kraft: 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.

Kraftfeder: 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...

Feder mit konstanter Kraft: 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...

Constant force spring mechanism News

Qianye Spring hebt Ihre Regalstrahlruder von der Konkurrenz ab: Supermarkets and convenience stores can be seen everywhere in the streets and alleys. More and more people are developing retail sales. Businesses will think of the question "How can we overcome each other and stand out in the competition of peers". If you want to stand out from the peers, innovation is indispensable. Now many large shopping malls will install shelf pushers on the shelves, which is not only convenient for customers but also convenient for tally staff, killing two birds with one stone. According to tests, the installation of automatic rack pushers can increase turnover and save labor. Traditionally, the products on the shelves are usually placed in order. When a customer buys the product, it is difficult for the customer to see the product at the back. And install the automatic propeller, after the customer buys the product, the propeller will automatically advance the product in the back, when the customer wants to find the product, it is easier to see, which is convenient for the customer to find the product they want, stimulating Customers' desire to buy. It is the variable force spring that makes the propeller move. When the product is not loaded or the variable force spring is pulled; the variable force spring is statically staying at the front end. When we put on the product or pull the variable force spring, the variable force spring will expand into a straight line. When the variable force spring is unfolded, the variable force spring has a recovery function: it can provide us with the function of naturally restoring...

Qianye Precision’s design on industrial doors: As the building access door of modern plant, the industrial door must be familiar to everyone. The industrial door has a variety of lifting door modes. It slides upward according to the track installed on the wall, which is fast and stable. At present, the industrial door mainly uses the torsion spring balance system to stabilize the industrial door in the process of operation, so that it can be opened quickly. Principle of torsion spring balance system: torsion spring balance is the principle that the weight of the door body is balanced by the torsion torque of the torsion spring. The torsion spring balance system of industrial doors is mainly composed of supporting seat shaft, spring, wire hub, steel wire rope and other components, in which the material of torsion spring is more important. Generally speaking, the torsion spring of the torsion spring balance system needs to be made by computer-aided design and professional equipment. Industrial door balance system analysis what are the small problems of torsion spring balance? In practice, it is difficult to meet the standard requirements due to the influence of spring material and manufacturing process. When the area and weight of the door are increased, the diameter of the torsion spring and the diameter of the steel wire will be thickened, which will affect the sensitivity of the balance of the torsion spring and increase the difficulty in adjustment. The installation of torsion spring balance on the door opening with large height width ratio increases the difficulty in designing the torsion spring balance due...

Design der Feder mit konstanter Kraft im Spulendämpfer: When powered by a damped constant force spring mounted on the spool, there are several key principles that influence the design of linear motion applications. These principles support robust and consistent performance of products in a variety of applications, including automotive and aircraft interiors, industrial machine components, and many other user interface applications. The example components shown above will be cited as examples of the various design principles detailed below. This example assembly has a sliding drawer (shown in red) powered by a constant force spring mounted on a spool (spool in green; constant force spring shown in yellow) running within a mounting base (shown in grey), such as a central Console a car. A ratchet or door latch mechanism (not shown) can be implemented to allow the tray to be locked in place with a single press by the user. This example is a typical set of applications used in the automotive industry. 1. Preload spring When a constant force spring is in its free state, it does not exert any force. As the spring stretches, the spring force rapidly increases from zero to nominal load. However, to avoid including this "accelerated" part of the work envelope, the design can use preloading. An example of preloading is shown in the figure below. Note that although the mechanism is retracted, the depicted spring is extended. To include preload in the design, ensure that the spring extends a distance equal to the outer diameter of the coil during assembly in order to engage...

Motor brush spring and wind turbine maintenance: Research shows that to get the greatest return from turbines, whether onshore or offshore, the bigger the turbine, the better. Wind turbines have proven to produce reliable and pollution-free energy, and as technology innovates, the cost of developing and manufacturing them will only become more affordable. Motor Brush Materials and Wind Turbine Maintenance Motor brushes are consumables, which means there is significant wear and tear over time and will need to be replaced. While proper wind turbine operation and maintenance requires moderate wear, excessive wear can create carbon dust in the slip ring cabinet, reducing internal isolation. Also, a useful tip to keep in mind is that motor brushes that are evenly worn indicate good performance. Since reliability is critical in wind applications that generate electricity for industrial tasks and homes, businesses and schools, it is important to work closely with your engineers and parts manufacturers to determine the best motor brush materials. Two common options include: Copper carbon brushes are very common and affordable. They can be used for up to two years, but due to the high amount of carbon dust, they need a lot of maintenance. On the other hand, silver motor brushes are more expensive, but cleaner, can withstand harsh weather, and can be used for up to five years. Slip ring compatibility and design is another component to consider. Although there is wear, your motor brush must maintain a stable surface finish to avoid overtime affecting the performance of the brush. Due to the high cost of repair or replacement of wind...

The power spring can realize the free lifting and lowering of the chandelier: Chandelier is a common lighting fixture, which is widely used in offices, exhibition halls, living rooms, restaurants and other places. It is very popular because of its beauty. But now common chandeliers are generally installed with fixed hanging height. If you want to adjust the hanging height of the lamp, you can only adjust it manually. The adjustment process is complex. Therefore, a chandelier with simple structure and convenient installation that can automatically adjust the hanging wire has emerged. The chandelier that can automatically adjust the hanging wire realizes that the height can be adjusted only by lifting the lamp body up or pulling it down. When the lamp body is at the hanging height position, the hanging wire can automatically adjust the retractable length of the hanging wire through the adjuster. The hanging height of the lamp can be adjusted by adjusting the lamp body. A chandelier that can automatically adjust the hanging wire, including the hanging wire, the hanging wire automatic adjuster, the lamp body, and the ceiling box. The lamp body includes an LED light source and a driving power supply; the automatic suspension wire adjuster is built into the ceiling plate, one end of the suspension wire is stored in the wire receiving groove of the automatic suspension wire adjuster, and the other end is removed from the ceiling box cover. The wire trough leads out through holes and is connected and fixed with the lamp body; the suspension height position of the lamp body of the chandelier is the suspension height position maintained by...

Anwendung der Antriebsfeder im Sicherheitsschloss für elektrische Rollstühle: One of the biggest benefits of electric wheelchairs is the use of an electric drive that allows users to move freely even without having to push themselves manually or with human power. These wheelchairs are prepared for people in different situations, while allowing more people with inconvenient lives to regain their freedom. The electric wheelchair includes a mobile seat part, a body part used as a seat support, a seat adjustment mechanism arranged under the seat to maintain the balance of the seat part, a underbody part located under the body part, and a crawler walking mechanism. Electric wheelchair characterized in that the safety locking device is a double-wing safety locking device comprising a housing, a pair of latching members fixed to the wall of the housing by the action of a power spring, two pinions, one of which is configured as a small motor, each latching member having a small tooth edge and a large tooth edge, each of the two pinions engaging the small tooth edge of one said latching member. The large tooth edges of the two latch members engage the teeth of the circular bottom edge of the longitudinal plate of the seat section when the safety locking device is in the locked state, and when in the unlocked state, the large tooth edges of the latch members leave the teeth of the circular bottom edge of the longitudinal plate driven by said pinion and are locked in their initial position by means of their respective power springs. The performance of key wheelchair components and accessories therefore...

Anwendung von Federn in Industrietoren: The constant force spring of the industrial door mainly plays a balancing role and reduces the burden on the motor. The force of the spring is equivalent to the force of the industrial door, which is the most ideal configuration state. If the spring force is too large or too small, it will affect the operation of the industrial door. In severe cases, safety accidents may occur and endanger others. Constant force springs are often used to provide balance to products, so what is balance? Constant force springs are most useful in applications that require consistent recoil. Ordinary springs behave according to a mathematical equation called Hooke's law. Hooke's law states that the force of a recoil spring in the direction of recoil is equal to the distance the spring is displaced from equilibrium. Simply put, we look at how far the spring is stretched - multiplied by a mathematical constant, the rate of the spring. The recoil direction of the spring is opposite to the stretch direction. Hooke's Law does not affect constant force springs because their recoil remains constant throughout their range of motion. Their unique design consists of a thin, coiled steel strip that rests when fully coiled. Constant force springs are loaded when they are partially or fully deployed. When released, the spring springs back, pulling the extended ribbon back and rolling up properly. Since the recoil force is mainly obtained closest to the take-up roll, a constant force is maintained. A constant force spring can be...

Today we’re going to talk about the connection between the constant force/tape spring and the tilting double or single hung window.: Today we're going to talk about the connection between the constant force/tape spring and the tilting double or single hung window. As we know, hung windows feature a balanced application to counteract the weight of the sash, allowing the user to position the sash at the desired opening height. The balanced application also enables users to open and close windows with minimal effort. Actually, the constant force/tape spring is a somewhat hidden component sitting inside the window frame of the tilting double or single hung window, it is the balanced application, sometimes called a sash balance, window spring, or window "balancer". Window balances are only found in double-hung or single windows and counterbalance the weight of the sash assisting you with opening and closing your windows. If your window balances are damaged or broken, your window may be difficult to open, not open at all, or may not stay open. Qianye Springs (Qianye Precision Spring Technology Co., Ltd) provide the high-quality constant force/tape springs. All our springs are made of 301 stainless steel which ensure the springs are durable and long-lasting. More info：https://www.qianyespring.com/ mail: leah_lee@qianyejm.com Whatsapp: +86-181 7563 3483

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