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The first is the tightness of the gas spring. If the tightness is not good, oil leakage and air leakage will occur during use;
Second is the accuracy of the gas spring. For example, a gas spring of 500N is required. Some manufacturers produce a force error of no more than 2N. Some manufacturers' products may differ from the actual 500N required;
Once again, the service life of the gas spring is calculated by the number of times it can be fully extended;
Finally, the force value changes during the stroke. In an ideal state, the gas spring should maintain the same force value throughout the stroke. However, due to design and processing factors, the force value of the gas spring during the stroke inevitably changes. The range of change is an important criterion for measuring the quality of a gas spring. The smaller the range of change, the better the quality of the gas spring, and the worse it is.
