Spring Characteristics and Force Tolerances of Gas Springs4869201 — различия между версиями
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Текущая версия на 17:56, 7 января 2020
As opposed to most other types of springs, 10mm ball stud possess a built-in pretension force and a flat spring characteristic. This means that there's only a small difference in force between full extension and full compression.
Because the piston and piston rod are pressed in to the cylinder, volume reduces and pressure increases. This makes pushing force to increase. In conventional gas-type springs, this increase is normally around 30% at full compression.
The pushing spring movement is slow and controlled. It really is just a few the gas flow between the piston sides being allowed to move through channels in the piston during the stroke. Conventional gas springs use 'hydraulic damping', that involves a small amount of oil slowing down the speed from the stroke immediately ahead of the spring reaches full extension. This provides the movement a braking character at the conclusion position provided the piston rod is within the downward direction.
Force tolerances when charging with gas as well as other factors imply that there may be variations inside the force exerted by gas springs with the exact same nominal value.
The nominal values apply at 20° C, which is temperature of which gas charging is completed. Note that in the event the ambient temperature rises or falls, the force of the spring rises or falls depending on pressure alterations in the cylinder. Usually of thumb, gas spring force increases by approximately 3.5% per 10° C temperature increase and reduces accordingly once the temperature falls.