Are you curious about which constant force spring manufacturers stand out in quality and innovation? Understanding the top factories is crucial for making informed choices. Discovering the best options can lead to superior products and cost savings. Dive in to find out which manufacturers deserve your attention!

Home – Constant Force USA

Product Details: Manufacturer of constant and variable force springs and spring assemblies, proudly manufactured in the USA.

Technical Parameters:
– Constant force springs
– Variable force springs

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:
– Quality product
– Competitive price

Cons:
– Limited specific technical parameters provided
– No detailed product specifications available


Home - Constant Force USA

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:
– Material selection can affect durability in harsh environments
– Potential for wear over time depending on application


Constant Force Springs - John Evans' Sons LLC

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, used in various applications including motors and product displays.

Technical Parameters:
– Strip Widths: 0.100″ – 2″
– Thicknesses: 0.003″ – 0.031″

Application Scenarios:
– Brush springs for motors
– Counterbalance springs for window sashes

Pros:
– Long extension capabilities
– Constant torque with minimal intercoil friction

Cons:
– Cycle life approximately 2000 cycles
– Requires at least two wraps coiled during use


Constant Force Springs - Century Spring Corp.

32 Constant Force Spring Manufacturers in 2025 – Metoree

Product Details: Constant force springs are designed to generate a consistent load regardless of the distance they are stretched. They consist of a thin plate wound around a drum, which rotates to extend the spring when pulled.

Technical Parameters:
– Material: Steel or stainless steel
– Load rating: Specific to application requirements

Application Scenarios:
– Used in buildings and structures for load distribution
– Applied in door hinges for smooth operation

Pros:
– Simple structure allows for easy design and installation
– Cost-effective when properly designed and manufactured

Cons:
– Vulnerable to loads beyond specified range
– Requires careful selection to avoid unexpected deformations

Custom Spring Engineering & Manufacturing

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

Pros:
– High durability and long-lasting performance
– Wide range of applications across multiple industries

Cons:
– Potentially high cost for custom solutions
– Limited availability of certain specialized springs


Custom Spring Engineering & Manufacturing

Constant Force Springs – Clock & Motor Springs – MW Components


Constant Force Springs - Clock & Motor Springs - MW Components

Search for Constant Force Springs | Lee Spring

Product Details: Constant Force Springs are pre-stressed flat strips of spring material formed into virtually constant radius coils. They resist loading forces at a nearly constant rate.

Technical Parameters:
– Material: Type 301 Stainless Steel (SS301)
– Life Cycles: Up to 25,000 cycles

Application Scenarios:
– Used in applications requiring consistent force over a range of motion.
– Ideal for mechanisms that need to maintain tension or compression.

Pros:
– Provides a nearly constant force throughout the deflection.
– Available in a wide range of sizes and specifications.

Cons:
– Limited to specific applications where constant force is required.
– May require custom solutions for unique specifications.


Search for Constant Force Springs | Lee Spring

Constant Force Springs – Lewis Spring

Product Details: Constant Force Springs, also known as Power or Clock Springs, suitable for applications like brush motors, hand cranks, or seat swivels.

Technical Parameters:
– Wire Size: 0.0025” – 0.078” (0.06mm – 2.0mm)
– Wire Material: Ferrous, Non-ferrous

Application Scenarios:
– Used in brush motors
– Used in hand cranks

Pros:
– Specialized in large production runs
– Manufactured to meet IATF 16949:2016 quality standards

Cons:
– Less common than other spring types
– May not be suitable for all applications


Constant Force Springs - Lewis Spring

Spiral Spring Manufacturer | Constant Force Spring | HengSheng

Product Details: Custom spiral springs including flat spiral springs, clock springs, constant force springs, and power springs manufactured by HengSheng Spring with 21 years of experience.

Technical Parameters:
– Thickness: 0.01~1 mm
– Width: up to 10 cm

Application Scenarios:
– General industrial use
– Medical devices and food processing machinery

Pros:
– Cost-effective with good strength and elasticity
– Excellent corrosion resistance

Cons:
– Limited to specific applications based on material
– Potential for wear in high-stress environments

Constant Force Springs | Tesco Steel & Engineering

Product Details: High performance constant force springs manufactured using qualitative steel, providing a nearly constant restraining force to resist uncoiling.

Technical Parameters:
– Materials: Stainless Steel, Duplex Steel, Alloy Steel, Carbon Steel, Brass
– Sizes: Various standard sizes available, custom sizes manufactured in 3-4 days

Application Scenarios:
– Used in applications requiring consistent force over a distance
– Suitable for various industrial and engineering applications

Pros:
– Considerable flexibility with load capacity by using multiple strips in tandem
– Fast delivery options available, including urgent orders within 7 days

Cons:
– Limited information on specific load capacities
– Potentially higher cost for custom sizes

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. – Quality product – Competitive price – Limited specific technical parameters provided – No detailed product specifications available 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 – Material selection can affect durability in harsh environments – Potential for wear over time depending on application 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, used in various applications includ… – 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 are designed to generate a consistent load regardless of the distance they are stretched. They consist of a thin plate wound ar… – Simple structure allows for easy design and installation – Cost-effective when properly designed and manufactured – Vulnerable to loads beyond specified range – Requires careful selection to avoid unexpected deformations us.metoree.com
Custom Spring Engineering & Manufacturing 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 – Wide range of applications across multiple industries – Potentially high cost for custom solutions – Limited availability of certain specialized springs springcompany.com
Constant Force Springs – Clock & Motor Springs – MW Components www.mwcomponents.com
Search for Constant Force Springs Lee Spring Constant Force Springs are pre-stressed flat strips of spring material formed into virtually constant radius coils. They resist loading forces at a ne… – Provides a nearly constant force throughout the deflection. – Available in a wide range of sizes and specifications. – Limited to specific applications where constant force is required. – May require custom solutions for unique specifications.
Constant Force Springs – Lewis Spring Constant Force Springs, also known as Power or Clock Springs, suitable for applications like brush motors, hand cranks, or seat swivels. – Specialized in large production runs – Manufactured to meet IATF 16949:2016 quality standards – Less common than other spring types – May not be suitable for all applications www.lewisspring.com
Spiral Spring Manufacturer Constant Force Spring HengSheng Custom spiral springs including flat spiral springs, clock springs, constant force springs, and power springs manufactured by HengSheng Spring with 21… – Cost-effective with good strength and elasticity – Excellent corrosion resistance
Constant Force Springs Tesco Steel & Engineering High performance constant force springs manufactured using qualitative steel, providing a nearly constant restraining force to resist uncoiling. – Considerable flexibility with load capacity by using multiple strips in tandem – Fast delivery options available, including urgent orders within 7 d… – Limited information on specific load capacities – Potentially higher cost for custom sizes

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 maintain the same force regardless of how much they are stretched or compressed.

How are constant force springs manufactured?

Constant force springs are typically made from high-quality materials like stainless steel or music wire. The manufacturing process involves coiling the material into a flat strip, which is then wound into a spiral shape. This design allows the spring to deliver a uniform force.

What applications use constant force springs?

You can find constant force springs in various applications, including retractable mechanisms, counterbalancing systems, and in devices like window shades and seat belts. Their ability to provide a steady force makes them ideal for these uses.

What factors should I consider when choosing a manufacturer?

When selecting a manufacturer for constant force springs, consider their experience, production capabilities, quality control processes, and customer service. It’s also helpful to look for reviews or testimonials from previous clients to ensure reliability.

Can constant force springs be customized?

Yes, many manufacturers offer customization options for constant force springs. You can specify dimensions, materials, and force requirements to meet your specific needs. Be sure to communicate your requirements clearly to ensure the best results.