Double Torsion Spring

Plot No-10 Star Gold Industrial Park ,Opp Garda Ghar,Village Kuha, Ahmedabad Gujarat (India)-382433
info@durgaspring.com
+91 98988 43173

Double Torsion Spring

Double Torsion Spring

A Double Torsion Spring is a mechanical spring consisting of two helical torsion coils wound in opposite directions and connected by a central bridge or leg. These springs are designed to apply torque in two directions and provide greater rotational force than a single torsion spring.

Made from high-grade materials like stainless steel,music wire, spring steel, and phosphor bronze, double torsion springs are engineered for balanced performance, high load capacity, and durability in space-constrained or dual-directional load systems. They're commonly used in automotive parts, industrial mechanisms, electronics, and consumer devices.

Applications of Double Torsion Springs

Industry	Applications
Automotive	Dual-action hinges, throttle assemblies, gear shifters
Electronics	Switches, cam mechanisms, battery contacts
Industrial Tools	Pliers, cutters, levered equipment
Aerospace	Instrument mechanisms, control surfaces
Medical Devices	Surgical tools, precision instruments
Consumer Goods	Clipboards, clothespins, folding mechanisms
Furniture	Recliners, chair hinges, foldable tables
Appliances	Washing machine lids, appliance doors, mixer locks

Features with Uses of Double Torsion Springs

Feature	Description	Use/Benefit
Dual-Coil Design	Two coils wound in opposite directions	Provides balanced torque from both sides
Central Bridge Leg	Connects both coils to allow synchronized movement	Ensures equal distribution of torque
High Torque Output	Capable of producing more torque than single torsion springs	Suitable for heavy-duty or dual-direction operations
Custom Leg Shapes	Legs can be straight, hooked, or angular	Adaptable to specific mounting or mechanical needs
Material Flexibility	Available in SS, carbon steel, bronze, etc.	Meets strength, corrosion resistance, and conductivity needs
Space-Efficient Design	Compact even with double coil configuration	Ideal for compact machines or enclosed systems
Left & Right Wind Coils	Provides rotational force in both clockwise and counterclockwise directions	Suitable for balanced load applications
Fatigue Resistance	Designed to withstand repeated deflection cycles	Long service life in moving components
Precision Manufacturing	Tight tolerance control during winding and shaping	Ensures performance consistency and reliability
Customizable Ends	Legs can be shaped or extended for mounting	Improves compatibility with assemblies

Key Points: Why Use Double Torsion Springs

Stronger torque output than single torsion springs
Used for rotational force in two directions
Ideal for balanced and symmetrical mechanical designs
Available in a variety of corrosion-resistant and conductive materials
Customizable coil count, pitch, and leg length for any design
Used where precision, symmetry, and fatigue life are critical
Manufactured by precision spring companies in India, China, Germany, USA
Bulk manufacturing available with fast turnaround time
Cost-effective for mass production applications
Engineered using CAD and spring testing software

Top 10 FAQs on Double Torsion Springs

What is a double torsion spring used for?
? It is used where torque needs to be applied in two directions simultaneously, like in pliers or dual-hinged systems.
How is a double torsion spring different from a single torsion spring?
? It consists of two coils wound in opposite directions, providing more torque and balanced force output.
What materials are used for double torsion springs?
? Common materials include stainless steel (302, 304, 316), music wire, phosphor bronze, and carbon steel.
Can I order custom-designed double torsion springs?
? Yes, most manufacturers offer custom spring design services based on your torque and dimensional needs.
What is the cost of a double torsion spring?
? Prices typically range from ?10 to ?500+ per piece, depending on size, material, and order quantity.
Can I use a double torsion spring in high-temperature environments?
? Yes, if made with temperature-resistant materials like Inconel or stainless steel 316.
Do both coils work independently or together?
? They are designed to work together via a central bridge to provide a unified rotational force.
How do I choose the correct winding direction?
? It depends on your application; one coil should be right-hand wound, the other left-hand wound.
What are the torque limitations of double torsion springs?
? Torque capacity depends on wire diameter, material, number of active coils, and arm length.
Where can I find reliable manufacturers in India?
? Major hubs include Ahmedabad, Rajkot, Pune, Chennai, Faridabad, and Coimbatore.

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