0.32 lb Constant Force Spring, 15 in Band Length
0.32 lb Constant Force Spring, 15 in Band Length
SKU:CON-d9f432
Premium 0.32 lb Constant Force Spring for precise, reliable performance in diverse applications.
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$49.99
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$49.99
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0.32 lb Constant Force Spring, 15 in Band Length
$49.99
Quantity: 1
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0.32 lb Constant Force Spring, 15 in Band Length
$49.99
Quantity: 1
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The 0.32 lb Constant Force Spring with a 15-inch band length from John Evans' Sons offers unrivaled quality and performance. Expertly designed for precision and durability, it sustains a maximum work deflection of 12 inches and boasts a fatigue life of 13,000 cycles. Crafted from high-grade 301 stainless steel, this spring ensures smooth, even load distribution and strong force yield, making it ideal for aerospace, medical devices, defense, and other critical applications. Whether for small prototypes or large-scale projects, trust in the reliability and efficiency of our constant force springs.
Product Specifications
Additional Information Additional Information
Our constant force springs and assemblies can eliminate costly and complicated motors, decreasing your device size and cost. These types of springs provide:Smooth, even, uniform load through entire length or travel (deflection)Strong force yield within small spacesExtensive linear rangeSmall package sizeAbility to easily mount to existing hardware
Design Considerations For Constant Force Springs Design Consider
There are many design factors that will affect the time and cost needed to manufacture your spring. Therefore, itâs important to work with a manufacturer like John Evansâ Sons that has the knowledge needed in the design phase.Mounting Methods: There are several mounting methods. Your application will determine which mounting method is best for your springâs design.Material: Material will certainly affect the design and project cost. High temperatures or corrosive environments will also affect the life of a spring and the required material.Diameter and Load: Length, material width, thickness, and coil diameter affect the springâs load. Increased loads can be obtained by using two or more constant force springs interwound, in tandem, or in other configurations.All of these, plus other technical considerations, need to be discussed and specified prior to creating prototypes. Our design engineering team can help ensure calculations and configurations are exact in the design phase.Our springs are most often used in the following industries and applications:AerospaceMedical devicesWindowsDefenseElectric motorsNot sure if constant force springs can provide the right action for your product? Contact John Evans' Sons for more information.
Note Note
The constant force springs listed below are available in small quantities from our stocking distributor, Stock Drive Products (SDP), or in larger quantities direct from our factory. For engineers and designers involved prototype development, who may require quick delivery of small quantities.
Specifications Band Length
15 in
Specifications Fatigue Life
13,000 cycles
Specifications Free Inside Diameter Id
0.438 in
Specifications Load
0.32 lb
Specifications Materials
301 Stainless Steel
Specifications Maximum Work Deflection
12 in
Specifications Thickness
0.004 in
Specifications Width
0.250 in