How to Measure Gas Strut and Choose the Right Gas Struts for Your Application
To start, accurate measurement is essential. Gas struts typically consist of a barrel (cylinder) and a rod (piston), and knowing how to measure these components will help you select the correct replacement or new strut.
- Stroke Length : The stroke refers to the maximum distance the rod can travel within the barrel. This is a crucial measurement, as it determines the amount of movement the gas strut can provide.
- Extended Length : This is the total length of the gas strut when fully extended. It is measured from the center of one end fitting to the center of the opposite fitting. Be sure to measure with the strut fully extended to ensure you’re getting the correct length.
- Closed Length : Conversely, the closed length is measured when the gas strut is fully compressed. This measurement ensures the strut can fit properly within its application when it is not extended.
- Diameter of the Rod and Barrel : Gas struts come in various sizes, so measuring both the rod and the barrel diameter is essential to ensure the strut will fit in the intended mounting points.
Choosing the Right Gas Strut
When selecting the right gas strut, you need to consider several factors beyond just the measurements.
- Weight of the Object : Gas struts are designed to handle specific weight ranges. To determine the correct force required, you’ll need to evaluate the weight of the object you’re supporting. The force needed is typically measured in Newtons (N), and many gas strut suppliers provide force calculators based on your object’s weight.
- Desired Motion and Application : Different applications require different types of motion. Whether you need a smooth lift, controlled resistance, or locking ability, selecting the correct type of gas strut is key. Additionally, consider whether the strut will be used in a horizontal or vertical application, as this can influence your choice of gas spring.
- Mounting Positions : Proper installation and mounting are crucial for ensuring the strut works effectively. Most gas struts have fixed and moving mounting points. Ensure you measure and install your strut at the right angle and position. A common recommendation is to mount the moving end one-third of the length of the lid from the hinge for smooth operation.
Final Considerations
Before making your purchase, ensure you double-check all measurements and consider factors like the environment in which the gas strut will be used. Extreme temperatures, heavy-duty applications, and the need for corrosion-resistant materials may also affect your choice.
By following these steps and understanding how to measure and choose gas struts, you can ensure you’re selecting the best option for your needs, improving both performance and longevity.
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