Hogar > Blog > Problema comun > Constant Force Springs

Constant Force Springs

source:Qianye Precision time:2022-9-14

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 and one-half wraps should remain on the drum at maximum extension.
4.The strip becomes unstable at long extensions and should be guided to prevent twisting or kinking on recoil.
3.Idler pulleys must be larger in diameter than the natural diameter and should never be used to cause back-bending against the natural radius of curvature.

       Applications

The constant force spring is an excellent device for applications where a constant load is required. Some of the many applications of constant force springs are in counterbalances, door closers, cable retractors, hose retrievers, tool head returns, cabinet furniture components, gym equipment, hair dryers, toys, electric motors, appliances, space vehicles, and other long-motion functions.

Motor springs are used for cable retraction, power generation etc. Power springs are used for retracting applications such as seat belt webbing, tape measures and dog leads, seat recliner, window regulator mechanisms etc.

Depending on your application, a constant force spring may be the ideal choice. At the design stage, it is recommended to consult your spring manufacturer Qianye precision for the best design of constant force spring. With more than ten years of experience in product R&D, production and manufacturing, Qianye precision has become a famous brand dealer in China. We sincerely recommend that customers obtain consulting services from our R&D engineers at the initial stage of product introduction and R&D. Carry out product design, development and proofing according to your needs, so that your products can find the best solution to meet your application needs.

Últimas noticias

 Spiral Torsion Spring Design: Essential Factors to Consider
Spiral Torsion Spring Design: Essential Factors to Consider

Time:2023-5-31

Spiral torsion springs are essential components in various mechanical systems. They are used to store and release energy as well as to absorb shock and vibration. The design of spiral torsion springs is critical to the performance of the overall system. In this article, we will discuss the essential factors to consider when designing spiral torsion springs. 1. Load Requirements...

 Implementing a Compelling Strategy for Delivering High-Quality Solutions
Implementing a Compelling Strategy for Delivering High-Quality Solutions

Time:2023-8-19

Delivering high-quality solutions is crucial for organizations to remain competitive and meet customer demands. Implementing a compelling strategy for achieving this goal requires careful planning, effective execution, and a commitment to continuous improvement. This article explores key factors that contribute to the successful implementation of such a strategy. First and foremost, a compelling strategy for delivering high-quality solutions should be...

 [Qianye precision]Benefits of choosing custom springs
[Qianye precision]Benefits of choosing custom springs

Hora:2022-9-14

  Purchasing special components for equipment is always an obstacle for engineers designing new products. Many industries, from automotive and aerospace to medical and construction, need to customize springs for special applications. Spare springs are ideal for short turnaround times, but they are not suitable for your equipment specification. To this end, custom springs may be an important solution for industrial...

 Design and Application of a Constant Force Spring Assembly
Design and Application of a Constant Force Spring Assembly

Time:2023-10-10

Introduction: Constant force springs are mechanical devices that provide a consistent force throughout their entire range of motion. These springs find applications in various industries, including automotive, aerospace, medical, and electronics, where a reliable and constant force is required. This article discusses the design principles and applications of a constant force spring assembly. Design Principles: The design of a constant...

 Understanding the Functionality of Constant Force Springs
Understanding the Functionality of Constant Force Springs

Time:2023-5-2

Constant force springs, also called constant tension springs, are mechanical devices that provide a constant, linear force throughout their range of motion. They are used in a variety of applications where a consistent force is needed, such as in retractable cords, counterbalances, and spring-loaded assemblies. The basic design of a constant force spring consists of a flat strip of spring...

 Spiral Wound Torsion Spring: A Comprehensive Guide
Spiral Wound Torsion Spring: A Comprehensive Guide

Time:2023-6-11

Spiral wound torsion springs are a type of mechanical spring that work by exerting a rotational force, or torque, when twisted or wound around an axis. These springs are commonly used in a variety of applications, including automotive and industrial machinery, as well as in household items like garage door openers and kitchen appliances. In this comprehensive guide, we will...

Product