Choosing a Custom Double Torsion Spring Manufacturer

Custom Double Torsion Spring Manufacturer | High Precision Metal Springs - Durga Spring

Choosing a Custom Double Torsion Spring Manufacturer

Introduction 

Precision and stability are the hallmarks of double torsion springs, which are designed to provide twice the torque of a single torsion spring while maintaining a centered balance. As a leading custom double torsion spring manufacturer, Durga Spring specializes in creating complex, high-performance springs tailored to specific mechanical requirements. Whether for heavy-duty automotive assemblies or delicate electronic enclosures, our custom manufacturing process ensures that each spring delivers equal force on both ends, preventing the tilting or binding often associated with single-coil designs. By utilizing advanced CNC coiling technology and premium materials, we provide reliable solutions for OEMs across India and international markets.

Engineering Excellence in Double Torsion Spring Production

Manufacturing a double torsion spring requires immense technical expertise to ensure both coils are wound with perfect symmetry. At Durga Spring, we follow a rigorous production protocol to ensure structural integrity:

  1. Precision CNC Coiling: We use automated multi-axis coiling machines that simultaneously form both the left-hand and right-hand coils connected by a center bridge, ensuring identical torque characteristics.
  2. Custom End Configurations: From straight legs to complex hooks and loops, we customize the leg ends to fit seamlessly into your housing or assembly.
  3. Material Versatility: We work with high-grade carbon steel, stainless steel (SS 302, 304, 316), and specialized alloys like Inconel or Phosphor Bronze for corrosion-resistant or high-temperature applications.
This level of customization makes us the preferred double torsion spring supplier for critical engineering projects.

Applications & Benefits — Stability and High Torque

Industry Applications
  • Automotive interior components like glove boxes and armrests.
  • Heavy-duty hinges for industrial doors and overhead gates.
  • Medical equipment requiring smooth, balanced rotational movement.
  • Consumer electronics, including laptop screen hinges and clamps.
  • Agricultural machinery and specialized hardware tools.
Key Performance Benefits
  • Balanced force distribution prevents side-loading on mounting shafts.
  • Greater total torque capacity compared to single torsion springs of the same wire diameter.
  • Increased operational life due to reduced friction and localized stress.
  • Compact design allows for high energy storage in limited spatial envelopes.
  • Superior reliability in applications involving frequent cycling and high vibrations.

Custom Design and Quality Assurance

  • Full custom design support to determine optimal wire diameter, coil count, and leg length for your torque requirements.
  • Computer-aided spring design software to predict fatigue life and stress points before mass production.
  • Advanced heat treatment processes to relieve stress and enhance the elasticity of the spring wire.
  • Surface finishing options including zinc plating, black oxide, and powder coating for enhanced durability.
  • Strict quality control audits ensuring 100% compliance with dimensional and torque specifications.

Reliable Supply for High-Precision Springs

Partnering with an expert custom double torsion spring manufacturer ensures that your mechanical systems operate without failure. Durga Spring combines decades of experience with modern infrastructure to supply springs that meet the most demanding tolerances. We understand the nuances of spring physics, from the importance of the center bridge length to the radius of the leg bends. Our team is ready to assist you from the prototyping stage to large-scale bulk production, ensuring consistent quality and timely delivery for your industrial or commercial needs.

Maintenance & Safety Tips — Maximizing Spring Life

Checklist Durga Spring

Installation & Design

  • Ensure the supporting mandrel or shaft is appropriately sized to prevent spring buckling while allowing for coil expansion.
  • Double-check that the torque is applied in the direction of the wind to avoid unwinding and permanent deformation of the coils.
  • Avoid over-stressing the spring beyond its calculated maximum deflection angle to prevent sudden fatigue failure.

Safety & Maintenance

  • Periodically inspect springs for signs of pitting or corrosion, especially in moving parts where the protective coating may wear off.
  • Lubricate the contact points between the spring legs and the assembly to reduce wear and prevent noise during operation.
  • Always wear eye protection when installing or removing torsion springs under tension to prevent injury from stored elastic energy.

FAQs about Custom Double Torsion Springs

Q1 What is the advantage of a double torsion spring over a single one?
A double torsion spring consists of two identical coil sections (one left-hand and one right-hand wind) connected together. This design offers a balanced torque and prevents the spring from shifting or tilting during operation.
Q2 Can you manufacture double torsion springs with different leg lengths?
Yes, as a custom manufacturer, we can design the legs to any length or shape required for your specific application, including custom bends and hooks.
Q3 What materials do you use for high-temperature environments?
For high-temperature applications, we typically use Stainless Steel 316 or specialized alloys like Inconel, which maintain their mechanical properties under thermal stress.
Q4 What information is needed to get a quote for a custom spring?
We require the wire diameter, coil outer diameter, number of active coils, leg lengths, and the required torque or deflection angle. A drawing or sample is always preferred.
Q5 Do you provide prototypes before mass production?
Yes, we offer prototyping services to ensure the double torsion spring performs as expected in your assembly before proceeding with high-volume manufacturing.

Get a Professional Quote Today

Durga Spring• Precision Engineering Solutions

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