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Design considerations of the gas spring include the cho […]
Design considerations of the gas spring include the choice of spring with the proper size of the cylinder and piston according to the force required for the application. For example, the trunk lid of a car is supported by two air springs on both sides of the lid, which produce approximately equal weight of the lid when compressing. Which is same for an office chair, the force produced by the gas lift should be a little higher than the chair weight, allowing the users to move the chair up and down conveniently. In addition, in order to prevent the bending the buckling of the gas spring, the force generated should always be consistent with the center line, especially for slender gas springs.
The ambient operating temperature is another factor to consider when selecting or designing an air spring, since extreme heat and cold temperatures both affect the operation. The change of temperature affects the pressure exerted by the air spring, thus affecting the output force. At a very high temperatures, the seal permeability increases, and gas molecules can escape more easily from the seals. They are also designed according to the performance guidelines, including hot opening and closing efforts, cold opening and closing efforts, self-close and self-rise angle, room temperature, hump and dumping.
When designing cylinders and pistons, be sure to resist dents, damage, and wear. Special functions, such as external locking and variable damping, should also be considered. Safety is another major factor that should be taken into account when producing gas springs. As part of this factor, consideration is given to the suitability of the spring and the strength of the installation position. In addition, if necessary, the auxiliary locking mechanism can be merged for security purposes.
When installing the gas spring, make sure that the piston rod is mounted in an upright manner when pointing downward. This is to ensure that the rod seal is always lubricated. If the springs are to be installed at a certain angle, care should be taken to ensure the level of the lubricant is sufficient to lubricate the rod seals all the time. For more information, view http://www.autocontrolcable.com/