Kunshan Lichuang Precision Springs | Leading Precision Spring Solutions Provider
Custom Torsion Spring Solutions
Thanks to their unique structure, precise torque output, high energy storage density, and stable return performance, torsion springs are widely used in various precision mechanical systems that require rotational torque or angular return.
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  • Torque-angle linear relationship
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    Within the elastic deformation range, torque is directly proportional to the torsional angle, as given by the formula: T = k·θ, where k is the torsional stiffness.
    Kunshan Lichuang Precision Springs | Leading Precision Spring Solutions Provider
  • Controllable torsional stiffness
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    Precise design of stiffness values by adjusting parameters such as the number of coils, wire diameter, mean diameter, and material elastic modulus
    Kunshan Lichuang Precision Springs | Leading Precision Spring Solutions Provider
  • High energy storage density
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    High elastic potential energy per unit volume, making it suitable for return mechanisms with limited space
    Kunshan Lichuang Precision Springs | Leading Precision Spring Solutions Provider
  • No initial preload
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    In a free state, the torsion arm has no relative positional constraints, allowing for flexible installation.
    Kunshan Lichuang Precision Springs | Leading Precision Spring Solutions Provider
  • Preloadable design
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    Apply an initial torque angle during installation to achieve the preload torque output
    Kunshan Lichuang Precision Springs | Leading Precision Spring Solutions Provider
Consumer Electronics
Thanks to their compact size, precise torque, responsive return mechanism, and long fatigue life, torsion springs are widely used in smartphones, tablets, laptops, smart wearables, and various consumer electronics. They primarily serve functions such as hinge opening and closing, keyboard support, pivot positioning, cover return, and angle adjustment, making them indispensable core components in the design of lightweight, slim, and precision consumer electronics.
Kunshan Lichuang Precision Springs | Leading Precision Spring Solutions Provider
Smartphones, tablets, laptops, and wearable devices
Home Appliances
Thanks to their low cost, compact design, consistent torque, and ease of installation, torsion springs are widely used in washing machine door locks, gas stove igniters, refrigerator door hinges, air conditioner air deflectors, and various other household appliances. They primarily perform functions such as door latching, ignition reset, door opening and closing, air deflector angle adjustment, and elastic support, making them an indispensable core elastic component in the safety and durability design of home appliances.
Kunshan Lichuang Precision Springs | Leading Precision Spring Solutions Provider
Door latch engagement, ignition reset, door panel opening and closing, airflow angle adjustment
Power Tools
Thanks to their high torque output, high impact resistance, rapid return-to-position capability, and excellent fatigue resistance, torsion springs are widely used in the transmission and operating mechanisms of electric drills, angle grinders, electric wrenches, landscaping tools, and various other power tools. They primarily perform functions such as trigger actuation, safety locking, torque limiting, mechanism reset, and vibration damping, making them indispensable core elastic components for the efficient operation and safe use of power tools.
Kunshan Lichuang Precision Springs | Leading Precision Spring Solutions Provider
Electric drills, angle grinders, electric wrenches, and gardening tools
Robot
Thanks to their low friction, high precision, excellent torque linearity, and high reliability, robotic torsion springs are widely used in industrial robot joints, collaborative robot end-effectors, service robot transmission mechanisms, and various types of automated equipment. They primarily perform functions such as elastic joint actuation, gripping force control, posture maintenance, collision cushioning, and precise repositioning, making them indispensable core elastic components for flexible motion control and safe human-robot interaction.
Kunshan Lichuang Precision Springs | Leading Precision Spring Solutions Provider
Flexible drive, gripping force control, posture maintenance, collision cushioning, precise repositioning
Industrial Automation
Thanks to their stable elastic properties, high strength and durability, and high-precision fit, torsion springs are widely used in various types of automated equipment, including industrial automation production lines, robotic arms, conveying systems, pneumatic and hydraulic components, and precision molds. They are indispensable core components in the field of industrial automation.
Kunshan Lichuang Precision Springs | Leading Precision Spring Solutions Provider
Automated production lines, robotic arms, conveyor systems, pneumatic and hydraulic components
Medical equipment
Thanks to their minimal torque fluctuation, excellent biocompatibility, sterility, corrosion resistance, and dimensional precision, torsion springs are widely used in minimally invasive surgical forceps, endoscope steering mechanisms, rehabilitation devices, orthodontic equipment, and various precision medical instruments. They primarily perform functions such as controlling the opening and closing of forceps tips, adjusting lens angles, locking instruments, providing elastic support, and ensuring precise reset. As such, they are indispensable core elastic components for the minimally invasive, precise, and safe operation of medical devices.
Kunshan Lichuang Precision Springs | Leading Precision Spring Solutions Provider
Surgical forceps, endoscopes, rehabilitation equipment, orthodontic equipment
Automotive Parts
Thanks to their high fatigue strength, stable torque, wear resistance, and strong environmental adaptability, torsion springs are widely used in automotive seat adjusters, door lock mechanisms, seatbelt retractors, sunroof drives, suspension systems, and various automotive assemblies. They primarily perform functions such as angle adjustment, mechanism locking, automatic retraction, vibration damping, and torque transmission, making them indispensable core elastic components for automotive comfort, safety, and lightweight design.
Kunshan Lichuang Precision Springs | Leading Precision Spring Solutions Provider
Seat adjusters, door lock mechanisms, seatbelt retractors, sunroof actuators, suspension systems
Kunshan Lichuang Precision Springs | Leading Precision Spring Solutions Provider
FAQ and Support
We provide technical consultation and implementation guidance throughout the entire process, offer prompt responses and precise troubleshooting, and provide ongoing operations, maintenance, and after-sales support.