Kunshan Lichuang Precision Springs | Leading Precision Spring Solutions Provider
Custom Spring Plate Solutions
The primary function of leaf springs is to utilize their elastic deformation and electrical conductivity to achieve contact closure, tactile feedback, shock absorption, and the measurement and conversion of force or displacement within confined spaces.
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  • Flexible in one direction, rigid in both directions‌
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    The spring sheet can easily bend and deform in the plane of minimum stiffness (typically the thickness direction), enabling actions such as compression and rebound; meanwhile, it exhibits high tensile and flexural strength in the length and width directions, ensuring structural stability and preventing distortion.
    Kunshan Lichuang Precision Springs | Leading Precision Spring Solutions Provider
  • High Precision and Consistency
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    Manufactured in bulk using stamping processes, these parts feature high dimensional accuracy and excellent interchangeability, making them ideal for automated assembly and high-reliability equipment.
    Kunshan Lichuang Precision Springs | Leading Precision Spring Solutions Provider
  • Multifunctional integration capabilities
    Kunshan Lichuang Precision Springs | Leading Precision Spring Solutions Provider Kunshan Lichuang Precision Springs | Leading Precision Spring Solutions Provider
    By integrating electrical conductivity, elastic deformation, and haptic feedback into a single component, it can serve both as a mechanical support or cushioning element and as a circuit conductor, saving space and enhancing integration.
    Kunshan Lichuang Precision Springs | Leading Precision Spring Solutions Provider
  • Flexible, customizable design
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    They can be designed into various shapes—such as straight, curved, trapezoidal, or triangular—to meet specific requirements, and by adjusting parameters such as thickness, curvature, and material, linear or nonlinear stiffness characteristics can be achieved to accommodate different load response needs.
    Kunshan Lichuang Precision Springs | Leading Precision Spring Solutions Provider
  • Advantages of Low Contact Resistance
    Kunshan Lichuang Precision Springs | Leading Precision Spring Solutions Provider Kunshan Lichuang Precision Springs | Leading Precision Spring Solutions Provider
    In electronic applications, these components are manufactured from materials such as bronze and beryllium bronze, which feature low contact resistance to ensure stable signal or current transmission. They are widely used in switch contacts and battery connectors.
    Kunshan Lichuang Precision Springs | Leading Precision Spring Solutions Provider
  • Good durability and stability
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    When heat-treated and combined with a proper structural design (such as a bending radius of at least five times the plate thickness), it can withstand hundreds of thousands of cycles without failure.
    Kunshan Lichuang Precision Springs | Leading Precision Spring Solutions Provider
Machinery Industry
Thanks to their high stiffness-to-weight ratio, fatigue resistance, and precise displacement conversion capabilities, leaf springs are widely used in machine tool spindle supports, stamping line limit stops, relay moving contacts, and leaf spring load cells. They primarily perform functions such as energy absorption, precision positioning (±0.01 mm), high-frequency on-off switching, and force-to-displacement conversion, serving as fundamental elastic components for achieving stable control and accurate measurement in automated equipment.
Kunshan Lichuang Precision Springs | Leading Precision Spring Solutions Provider
Machine tool spindle supports, stamping line limit stops, relays, sensors
Medical equipment
Thanks to their non-magnetic properties (suitable for MRI environments), biocompatibility, and long-term implant stability (≥15 years), these springs are widely used in MRI-compatible control panels, infusion pump buttons, pacemaker connectors, and wearable monitors. They primarily serve functions such as non-magnetic actuation, precise force control, resistance to bodily fluids, and long-term stable transmission, making them indispensable biocompatible components in high-reliability medical devices.
Kunshan Lichuang Precision Springs | Leading Precision Spring Solutions Provider
Control panels, infusion pumps, surgical instruments, wearable monitors
Automotive Parts
Thanks to their millisecond-level response time (<5 ms), stability across a wide temperature range (-40°C to 150°C), and automotive-grade EMC shielding performance, these contacts are widely used in airbag triggers, door latches, seat adjustment switches, ECU connectors. They primarily handle millisecond-level signal triggering, prevent accidental opening and closing, provide EMC shielding, and ensure electrical conductivity across a wide temperature range, serving as a reliable safeguard for functional safety and human-machine interaction in automotive electronic systems.
Kunshan Lichuang Precision Springs | Leading Precision Spring Solutions Provider
Airbag deployment, door latches, seat adjustment, ECU connectors, powertrain systems
Robot
Thanks to their compliant control, micro-force feedback (with a precision of up to 0.1 N), and wear-free flexible connection capabilities, leaf springs are widely used in the joints of humanoid robots, the fingertips of service robots, and the end-effectors of industrial robotic arms. They primarily perform functions such as compliant cushioning, tactile sensing, micro-force feedback, and wear-free connection, serving as the fundamental sensing components for achieving high-precision grasping and biomimetic interaction.
Kunshan Lichuang Precision Springs | Leading Precision Spring Solutions Provider
Robotic fingers, robotic joints
Power Tools
Thanks to their impact resistance, high current-carrying capacity (up to 150A), and self-resetting protection capabilities, contact plates are widely used in power tools such as electric drills, angle grinders, and electric screwdrivers. They primarily handle functions such as high-current conduction, switching, overload self-reset, and vibration-resistant connections, making them a core component for the reliable operation of power systems in high-vibration environments.
Kunshan Lichuang Precision Springs | Leading Precision Spring Solutions Provider
Electric drill, angle grinder, electric screwdriver
Home Appliances
Thanks to their high-temperature resistance, moisture and corrosion resistance, and reliable safety interlock response, spring-loaded contacts are widely used in household appliances such as electric kettles, washing machines, microwave ovens, and air conditioner remote controls. They primarily perform functions such as temperature-controlled power cutoff, door lock interlocks, control panel activation, and pressure sensing, making them key components that support the safety and intelligent interaction of household appliances.
Kunshan Lichuang Precision Springs | Leading Precision Spring Solutions Provider
Bread maker, electric kettle, washing machine, microwave, air conditioner remote control
Consumer Electronics
Thanks to their high integration, miniaturized design, and ability to reliably conduct high-frequency signals, spring contacts are widely used in mobile phones, tablets, smart wearables, Bluetooth headsets, and various other consumer electronics. They primarily serve functions such as contact conduction, antenna grounding, structural reset, shielding and buffering, and latch positioning, making them indispensable core components in the design of lightweight, slim, and precision consumer electronics.
Kunshan Lichuang Precision Springs | Leading Precision Spring Solutions Provider
Cell phones, headphones, computers, tablets, and smart wearable devices
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.