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Rapid Custom Torsion Springs

Quick Spring specializes in rapid prototyping to assist in designing and manufacturing various types of springs, including torsion springs. Quick Spring offers a wide range of torsion spring material options, range of sizes and many other custom configurations. Minimum order volume is not an issue, we can supply from one piece to high volumes as required.

Torsion springs are mechanical devices engineered to deliver torque or rotational force when subjected to twisting or rotation around their central axis. These versatile springs are utilized across various applications to store and release energy through torsional deformation.

Custom Torsion Spring Design Considerations

Quick Spring's team of engineers can guide you through the design and engineering phases and provide you with a quick custom quote. Our engineers use our exclusive spring design software, coupled with their experience and expertise, to optimize your custom torsion spring's performance for your specific application. We also offer prototyping services to ensure that the springs meet your performance expectations.

Torsion springs are found in wide range of applications and industries, including industrial machinery, automotive components, medical devices, electronics, and consumer products.

To enhance a torsion spring's performance and longevity, consider the following design factors and characteristics. Torsion springs are manufactured from wire wound into a helical or spiral shape, with the wire tightly coiled to store energy and to also release energy from the coils as the spring undergoes twisting. Torsion springs have two ends or legs and function by exerting torque or rotational force when one end twists relative to the other.

Torsion springs operate by undergoing angular deflection, which means they twist or rotate along their axis. The extent of this deflection is determined by the spring's design parameters. The primary role of a torsion spring is to generate torque for a wide range of applications, such as closing mechanisms, valve controls, or providing rotational resistance within mechanical components. Material selection for torsion springs, whether music wire, stainless steel, or various alloys, depends on factors like the application's environment, corrosion resistance needed, and load requirements. Quick Spring's experienced engineers can guide you in selecting the right material and finishes to optimize your design for a specific application.

Torsion Spring Design Parameters

Designing torsion springs requires careful consideration of several crucial parameters to ensure their reliable performance within a given application. These springs are designed to deliver torque when twisted or rotated around their central axis. Here are the fundamental design parameters for torsion springs:

  • Wire Diameter: This parameter represents the spring wire's thickness, significantly impacting the spring's strength, flexibility, and load-bearing capacity. Choosing the appropriate wire diameter is essential to meet desired spring force and deflection characteristics.
  • Outer Diameter: The outer diameter is the overall coil diameter, determined by the wire diameter, coil count, and pitch (distance between each coil). It affects the spring's size and fit within the application.
  • Inner Diameter: The inner diameter refers to the space inside the coil, which can vary based on the application's requirements. It influences initial tension and how the spring fits over a shaft or rod.
  • Free Length: This represents the spring's length when it's not under any load or tension, indicating its relaxed or uncompressed state. Free length determines the available range of motion or deflection for the spring.
  • Total Coils: The total number of coils affects the spring rate and its deflection capabilities. Increasing the number of coils generally results in a softer, more flexible spring.
  • Pitch: The pitch is the spacing between successive coils and is determined by dividing the free length by the total coil count. It impacts the spring's flexibility and rate.
  • Initial Tension: Initial tension is the preload applied to the extension spring when it's in its free, unloaded state. It's specified to ensure the spring remains taut when attached to the application. Initial tension is influenced by the wire diameter and coil count.
  • Load or Force Requirements: These specify the force the spring must exert or withstand in the application. Accurate force requirement determination is critical for selecting the appropriate spring rate and dimensions.
  • Spring Rate: Also known as stiffness or rate constant, the spring rate represents the force exerted per unit of deflection (typically measured in pounds per inch or Newtons per millimeter). It's calculated as the change in force divided by the change in length and influences how the spring reacts to load variations.
  • Maximum Deflection: This indicates the distance the spring can stretch from its free length under the application's maximum load. Designing for sufficient deflection without exceeding the spring's elastic limit is crucial.
  • Material Selection: Choosing the right spring material is vital and depends on factors such as the application's environment, temperature range, and corrosion resistance needs. Common materials include music wire, stainless steel, and various alloys.
  • End Configurations: The design of the spring's ends, including hooks, loops, or other configurations, should be chosen based on how the spring will attach to the components it will act upon.

When designing torsion springs, it is essential to consider all these parameters together to create a spring that meets the specific requirements of the application while ensuring its durability and performance.

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Quick Spring specializes in rapid prototyping, short-run and low volume custom torsion springs and additional spring types. Focused on providing quick quotes and quick delivery, Quick Spring is the spring manufacturer of choice for rapid prototypes for custom torsion springs. Quick Spring can work closely with you to design, engineer and deliver the right spring quickly and on tight deadlines. Quick Spring understands when rapid prototyping that time is everything, and we can deliver a quality spring ideal for mockups, testing or production delivery.