Resources How Gas Springs Work
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How Gas Springs Work
A gas spring consists of a pressure tube (cylinder), a piston rod, and a sealing system.
Compression
The cylinder is filled with compressed, non-flammable nitrogen gas. When an external force pushes the piston rod into the cylinder, the internal gas volume decreases, causing the gas pressure to increase.
Extension Force
The compressed gas naturally expands, generating an extension force that supports or lifts the applied load, allowing the gas spring to function as a mechanical spring.
Motion Control
A small amount of oil inside the cylinder provides damping, ensuring smooth, controlled movement by regulating the extension and compression speed.
Key Features
High Force in a Compact Design
Gas springs provide high lifting force while maintaining a compact and lightweight construction.
Smooth and Consistent Operation
They deliver stable force throughout the operating stroke, ensuring smooth opening, closing, and positioning.
Controlled Motion
Integrated oil damping minimizes shock and vibration, improving user comfort and operational safety.
Applications
Furniture
- Automotive trunk lids
- Overhead kitchen cabinets
- Lift-up storage beds
Industrial Equipment
- Height-adjustable office chairs
- Medical equipment
- Machine tools and industrial presses
Custom Solutions
Gas springs can be customized according to the required force, stroke length, installation dimensions, and mounting brackets to meet specific application requirements.
The KGS Advantage
KGS Co., Ltd. utilizes advanced automated manufacturing systems throughout its key production processes to achieve precise machining and superior surface finishing.
Every gas spring undergoes repeated cycle testing under simulated operating conditions to identify hidden defects such as sticking, abnormal noise, and initial force reduction before shipment.
This rigorous quality assurance process ensures dependable performance in demanding automotive, medical, and industrial applications.
In addition, KGS provides complete OEM and ODM engineering services. Simply provide the required force, stroke length, mounting configuration, performance specifications, or CAD drawings, and our engineering team will deliver a customized gas spring solution tailored to your application quickly and efficiently.