LTBL0040E 10 S

LTBL0040E 10 S Standard Torsion Springs
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Overview

Part Number LTBL0040E 10 S
Brand: LILY Brand: LILY Interchangeable With: Lee

Characteristics

System of Measurement Inch
Series Micro Torsion Spring
Wind Direction Left Hand
Finish PASSIVATE PER ASTM A967
Number of Coils 3.17
Free Position of Ends 120 °
Spring Type Torsion

Dimensions

OD 0.055"
For Shaft Diameter 0.04"
Wire Diameter 0.004"
Leg Length 0.2"
Body Length 0.02"
Radius 0.1"
Deflection Angle 120°

Material

Material Stainless Steel

Performance

Maximum Torque 0.0014 in.-lbs.

Design Features of LTBL0040E 10 S Springs

LTBL0040E 10 S springs are the mechanical workhorses of the hardware world, designed to store and release rotational energy through a flexible, helical coil. Their design focuses on maximizing torque efficiency and fatigue life using high-tensile materials and precise geometric configurations.


What Benefits Can LTBL0040E 10 S Springs Provide?

  • Exceptional Torque Efficiency: These springs are designed to store and release rotational energy with high precision, providing a consistent "return force" for pivoting components. Their linear spring rate allows engineers to accurately predict the amount of torque delivered at specific angles of deflection.
  • Cost-Effective Manufacturing: Produced from widely available materials like music wire or hard-drawn steel, standard torsion springs offer the most economical balance between performance and price. Their straightforward coiling process allows for high-volume production with minimal tooling costs compared to custom alloy springs.
  • Versatile Design Configurations: The legs of a standard torsion spring can be bent into nearly any shape, including hooks, loops, or custom offsets, to fit unique assembly requirements. This flexibility allows them to be integrated into a massive variety of hardware without needing complex mounting brackets.
  • High Energy Density: Due to their compact helical shape, they can store a significant amount of potential energy within a very small physical footprint. This makes them ideal for modern consumer electronics and handheld devices where internal spatial constraints are tight.
  • Predictable Fatigue Life: When operated within their design limits and supported by an internal mandrel, standard torsion springs exhibit highly predictable wear patterns. This reliability allows manufacturers to establish clear maintenance schedules and guarantee product longevity for millions of cycles.


What Can LTBL0040E 10 S Springs Be Used for?

  • Residential and Commercial Garage Doors: Large-scale torsion springs are mounted above the door to counteract its heavy weight, making manual or motorized opening nearly effortless. These springs store enough energy to lift hundreds of pounds, ensuring the door stays balanced throughout its vertical travel.
  • Automotive Internal Components: They are used extensively in vehicle interiors for smooth-closing glove boxes, center consoles, and sun visor mechanisms. By providing a controlled "spring-back" feel, they enhance the tactile quality and longevity of high-use cabin features.
  • Consumer Electronics and Handheld Devices: Small-diameter music wire springs are found in the hinges of laptops, flip-top lids, and battery compartment covers. Their compact design allows them to provide consistent opening force without adding significant bulk to portable hardware.
  • Industrial Tooling and Clamping: Heavy-duty standard springs act as the primary tensioning element in industrial clamps, pliers, and heavy-staple guns. They provide the necessary high-torque resistance required to hold workpieces securely or to drive fasteners into dense materials.
  • General Household Hardware: From the simple mechanism of a clothespin to the high-tension snap of a traditional mousetrap, these springs are the go-to solution for basic pivoting force. Their reliability in indoor environments makes them the most cost-effective choice for millions of everyday consumer products.

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