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All About Gas Springs & How to Choose One
As versatile, hydro-pneumatic lifting mechanisms that control motion and provide support in various applications, gas springs are utilized in the automotive, aerospace, furniture, and medical equipment sectors. In particular, these mechanical devices use compressed gas, typically nitrogen, to generate force and motion, and they consist of a piston rod, cylinder, and gas charge. In this blog post, we will explore how gas springs function and the wide range of types available so that you can effectively choose the right one for your specific needs.
Essentially, gas springs work by compressing gas within a cylinder. Once the piston separates the gas charge from the piston rod, differential pressure emerges. As a result of this pressure difference, ample force is generated, which can be employed to support loads, control movement, and/or counterbalance weights. Meanwhile, adjusting the amount of gas charge or size of the piston rod will alter the characteristics of the gas spring. From there, it can be customized to suit different tasks.
One important consideration when picking a gas spring is the amount of force it can supply. As these mechanisms are available in numerous force ratings, it is crucial to select one that matches the requirements of your application. For example, factors like the weight of the load, desired movement speed, and the angle at which the gas spring will be mounted should all be taken into account.
Another important aspect to review is the stroke length of the gas spring, which refers to the maximum extension or compression distance that the piston rod can travel. Choosing a gas spring with a stroke length that has the mandatory range of motion for your operation is essential.
It is also worth noting that gas springs come in different types, each with its own unique features and advantages. The most common variations are compression gas springs, also known as support gas springs, and lockable gas springs. Found in automotive hoods, hospital beds, and office chairs, compression gas springs are used in situations where support, assistance, or damping of movement is required. On the other hand, lockable gas springs can be locked at any position along their stroke length, which makes them ideal for roles that demand variable positioning or height adjustment, such as adjustable tables and reclining chairs.
In addition to their basic types, gas springs can also be customized with different valve systems to further enhance their functionality. As a whole, the valve system determines how the gas flows within the spring, affecting factors such as extension speed, damping, and end-of-stroke behavior. More specifically, some common valve systems include compression damping, extension damping, and dual damping.
In summary, when choosing a gas spring, consider factors such as load capacity, stroke length, type, and valve system. At ASAP Aero Supplies, we know that by understanding the varying types, features, and considerations associated with gas springs, you can confidently choose the right one for your next project. Whether you need these mechanisms for automotive purposes, furniture, or medical equipment tasks, gas springs offer a reliable and efficient solution for a wide range of motion control applications. As an AS9120B, ISO 9001:2015 and FAA AC 00-56B accredited enterprise, we at ASAP Aero Supplies are your premier source for such items. Furthermore, we invite you to browse our parts catalog today or use our optimized search engine to find the exact products you are looking for, keeping in mind that you may initiate the purchasing process at any time using our RFQ service. Get started today, and see how we can serve you as your strategic sourcing partner for all your operational needs.
