Are you tired of sifting through countless suppliers for constant force springs? Understanding the top factories can save you time and money. By knowing the best options, you can ensure quality and reliability for your projects. Dive in to discover the leading suppliers and make informed choices today!
Home – Constant Force USA
Product Details: Manufacturer of constant and variable force springs and spring assemblies, proudly manufactured in the USA.
Technical Parameters:
– Various sizes and specifications available
– Custom designs for specific applications
Application Scenarios:
– Point of Purchase Displays
– Power Tools
– Toys
– Furniture
– Small Appliances
– Signs
– Fire Dampers
– Electric Motors
– Retractable Window Shades
– Mechanical Applications
– Medical Imaging
Pros:
– High-quality products
– Competitive pricing
– Custom solutions available
Cons:
– Limited information on specific technical parameters
– Potentially longer lead times for custom orders
Constant Force Springs – John Evans’ Sons LLC
Product Details: Constant force springs manufactured by John Evans’ Sons, known for precision and custom design capabilities.
Technical Parameters:
– Long deflection with constant force
– Material options: 301 Stainless Steel, Inconel, High Carbon Steel
Application Scenarios:
– Surgical Devices
– Electric Motors
Pros:
– Compact and lightweight design
– Provides smooth, uniform load throughout travel
Cons:
– May require specific mounting methods
– Performance can be affected by environmental conditions
Constant Force Springs – Century Spring Corp.
Product Details: Constant Force Springs are pre-stressed strips that exert a nearly constant restraining force to resist uncoiling, suitable for various applications including motors and product displays.
Technical Parameters:
– Strip Widths: 0.100″ – 2″
– Thicknesses: 0.003″ – 0.031″
Application Scenarios:
– Used in brush springs for motors
– Common in point-of-purchase displays
Pros:
– Long extension capabilities
– Constant torque with minimal intercoil friction
Cons:
– Cycle life approximately 2000 cycles
– Requires at least two wraps coiled during use
32 Constant Force Spring Manufacturers in 2025 – Metoree
Product Details: Constant force springs generate a consistent load regardless of the distance they are stretched, utilizing a thin plate wound around a drum.
Technical Parameters:
– Material: Steel or stainless steel
– Load rating: Specific to application
Application Scenarios:
– Used in bridge supports for load distribution
– Applied in door hinges for smooth operation
Pros:
– Simple structure allows for easy design and installation
– Cost-effective when properly designed
Cons:
– Vulnerable to loads beyond specified range
– Requires appropriate safety margin for unexpected loads
Custom Spring Engineering & Manufacturing- John Evans’ Sons LLC
Product Details: Custom Spring Engineering & Manufacturing by John Evans’ Sons LLC, specializing in various types of springs including Constant Force Springs, Spiral Torsion Springs, Power Springs, and more.
Technical Parameters:
– ISO 9001:2015 certified
– ISO 13485:2016 certified
Application Scenarios:
– Medical devices
– Aerospace applications
Pros:
– High durability and long-lasting performance
– Customizable for various applications
Cons:
– Potentially higher cost for custom solutions
– Limited availability for non-standard sizes
Constant-force spring – All industrial manufacturers – DirectIndustry
Product Details: Constant-force springs are versatile springs that provide consistent force over their extension.
Technical Parameters:
– Outer diameter: 0.3 in – 1.8 in
– Force: 1 N – 182 N
Application Scenarios:
– Used in electric motors for consistent pressure.
– Applicable in various industries including oil and gas.
Pros:
– Provides smooth and consistent force.
– Versatile for different applications.
Cons:
– Limited to specific force ranges.
– May require specific installation conditions.
Constant Force Springs – Lewis Spring
Product Details: Constant Force Springs, also known as Power or Clock Springs, are designed for applications such as brush motors, hand cranks, or seat swivels. They can be manufactured from flat strip or round wire springs, up to 0.078″ wide material.
Technical Parameters:
– Wire Size: 0.0025” – 0.078” (0.06mm – 2.0mm)
– Wire Material: Ferrous, Non-ferrous
Application Scenarios:
– Brush motors
– Hand cranks
Pros:
– Specialized for large production runs
– Automotive quality standards (IATF 16949:2016)
Cons:
– Less common than other spring types
– Limited to specific applications
Constant Force Spring Manufacturer & Supplier – GLD Display
Product Details: GLD manufactures constant force springs made of SUS 301 stainless steel, available in thicknesses of 0.06-0.6mm and widths of 2-55mm.
Technical Parameters:
– Thickness: 0.06-0.6mm
– Width: 2-55mm
Application Scenarios:
– Tension applications
– Spring motor assemblies
Pros:
– Factory direct pricing
– Quick prototyping within 3 days
Cons:
– Limited raw material options
– Potentially high minimum order quantities
Constant Force Springs Suppliers – Thomasnet
Product Details: Constant force springs available in standard and custom designs, made from various materials including alloy and carbon steel, stainless steel, and more.
Technical Parameters:
– Material thickness: 0.002 to 0.032 in.
– Load capacity: 0.23 to 40.9 in.
Application Scenarios:
– Used in aerospace and medical devices.
– Applicable in window, defense, and electric motor industries.
Pros:
– Customizable to specific requirements.
– Available in various finishes and materials.
Cons:
– Limited information on specific performance metrics.
– Potentially higher cost for custom designs.
Constant-Tension Springs – McMaster-Carr
Product Details: Constant tension springs available in various categories.
Technical Parameters:
– Material: Steel
– Load Capacity: Varies by size
Application Scenarios:
– Used in machinery for consistent tension
– Applicable in automotive and aerospace industries
Pros:
– Provides consistent force
– Durable and reliable
Cons:
– Limited size options
– May require specific installation knowledge
Related Video
Comparison Table
| Company | Product Details | Pros | Cons | Website |
|---|---|---|---|---|
| Home – Constant Force USA | Manufacturer of constant and variable force springs and spring assemblies, proudly manufactured in the USA. | – High-quality products – Competitive pricing – Custom solutions available | – Limited information on specific technical parameters – Potentially longer lead times for custom orders | constantforceusa.com |
| Constant Force Springs – John Evans’ Sons LLC | Constant force springs manufactured by John Evans’ Sons, known for precision and custom design capabilities. | – Compact and lightweight design – Provides smooth, uniform load throughout travel | – May require specific mounting methods – Performance can be affected by environmental conditions | springcompany.com |
| Constant Force Springs – Century Spring Corp. | Constant Force Springs are pre-stressed strips that exert a nearly constant restraining force to resist uncoiling, suitable for various applications i… | – Long extension capabilities – Constant torque with minimal intercoil friction | – Cycle life approximately 2000 cycles – Requires at least two wraps coiled during use | www.centuryspring.com |
| 32 Constant Force Spring Manufacturers in 2025 – Metoree | Constant force springs generate a consistent load regardless of the distance they are stretched, utilizing a thin plate wound around a drum. | – Simple structure allows for easy design and installation – Cost-effective when properly designed | – Vulnerable to loads beyond specified range – Requires appropriate safety margin for unexpected loads | us.metoree.com |
| Custom Spring Engineering & Manufacturing- John Evans’ Sons LLC | Custom Spring Engineering & Manufacturing by John Evans’ Sons LLC, specializing in various types of springs including Constant Force Springs, Spiral T… | – High durability and long-lasting performance – Customizable for various applications | – Potentially higher cost for custom solutions – Limited availability for non-standard sizes | springcompany.com |
| Constant-force spring – All industrial manufacturers – DirectIndustry | Constant-force springs are versatile springs that provide consistent force over their extension. | – Provides smooth and consistent force. – Versatile for different applications. | – Limited to specific force ranges. – May require specific installation conditions. | www.directindustry.com |
| Constant Force Springs – Lewis Spring | Constant Force Springs, also known as Power or Clock Springs, are designed for applications such as brush motors, hand cranks, or seat swivels. They c… | – Specialized for large production runs – Automotive quality standards (IATF 16949:2016) | – Less common than other spring types – Limited to specific applications | www.lewisspring.com |
| Constant Force Spring Manufacturer & Supplier – GLD Display | GLD manufactures constant force springs made of SUS 301 stainless steel, available in thicknesses of 0.06-0.6mm and widths of 2-55mm. | – Factory direct pricing – Quick prototyping within 3 days | – Limited raw material options – Potentially high minimum order quantities | www.gld-display.com |
| Constant Force Springs Suppliers – Thomasnet | Constant force springs available in standard and custom designs, made from various materials including alloy and carbon steel, stainless steel, and mo… | – Customizable to specific requirements. – Available in various finishes and materials. | – Limited information on specific performance metrics. – Potentially higher cost for custom designs. | www.thomasnet.com |
| Constant-Tension Springs – McMaster-Carr | Constant tension springs available in various categories. | – Provides consistent force – Durable and reliable | – Limited size options – May require specific installation knowledge | www.mcmaster.com |
Frequently Asked Questions (FAQs)
What is a constant force spring?
A constant force spring is a type of spring that exerts a consistent force over its entire range of motion. Unlike traditional springs, which may vary in force depending on their compression or extension, constant force springs provide a steady pull or push, making them ideal for applications like retractable mechanisms and counterbalancing systems.
How do I choose the right constant force spring for my application?
To choose the right constant force spring, consider factors like the required force, the length of extension, and the space available for installation. It’s also important to think about the material and environmental conditions, as these can affect performance and durability.
What materials are commonly used for constant force springs?
Constant force springs are typically made from high-carbon steel, stainless steel, or other alloys. The choice of material depends on the specific application requirements, such as strength, corrosion resistance, and temperature tolerance.
Can constant force springs be customized?
Yes, many suppliers offer customization options for constant force springs. You can request specific dimensions, force ratings, and materials to meet your unique needs. Custom springs can enhance performance and ensure compatibility with your application.
What industries commonly use constant force springs?
Constant force springs are widely used in various industries, including automotive, aerospace, medical devices, and consumer electronics. Their ability to provide consistent force makes them valuable in applications like seat mechanisms, door closers, and tensioning systems.