Brief introduction of gas spring
Gasspring is an accessory that can support, cushion, brake and adjust the height and angle. At present, this product has been widely used in medical devices, automobiles, furniture, textile equipment, processing industry and other fields. According to different characteristics and application fields, gas springs are also called support rods, angle adjusters, pneumatic rods, dampers and so on. The basic principle of gas spring is to press inert gas and oil or oil-gas mixture into a closed cavity. According to the structure and function of gas spring, gas spring mainly includes free gas spring, self-locking gas spring, free gas plug spring, traction gas spring and damper.
The difference between gas spring and general mechanical spring
Universal mechanical spring,
The spring force changes greatly with the movement of the spring, while the force value of the gas spring remains basically unchanged during the whole movement stroke. To judge the quality of a gas spring, we should consider the following aspects: first, its tightness. If the tightness is not good, there will be oil leakage and air leakage during use; Secondly, the accuracy, such as the need for 500N gas springs, the force error produced by some manufacturers is less than 2N, and the gas springs of some manufacturers may be far from the actual need of 500N; Third, the service life, the service life of the gas spring is calculated by the number of times it can fully expand and contract; Finally, the force value of the gas spring changes during the stroke. In an ideal state, the force value of the gas spring should remain constant during the whole stroke. Gas spring standard
Everyone knows that the standard of a product is formulated by the state, and it takes a process to form and be widely accepted. The implementation of gas spring standard is good news for many industries. The realization of standards is to better serve related industries. When we know and master how to use these standards and where to use gas springs, we can quickly choose the most suitable products and bring the greatest convenience to production and life.
Therefore, when we use gas springs, we must understand the standards of gas springs, so as to make the best use of them. Whether it is the standard of gas spring material, inflation and air pressure, or even the standard of some small springs and hooks, it will affect the functions we need in the use process. GB/T 1239 .2- 1989 technical specification for cold-rolled cylindrical helical compression springs.
GB/T 1239 .3- 1989 technical specification for cold-rolled cylindrical helical torsion springs.
GB/T 1239 .4- 1989 technical specification for hot-rolled cylindrical helical springs.
Design and calculation of GB/T 1239 .6- 1989 cylindrical helical spring
Gb/t1973.1-1989 specification for small cylindrical helical springs.
GB/T 1973 .2- 1989 dimensions and parameters of small cylindrical helical tension springs
GB/T 1973 .3- 1989 Dimensions and parameters of small cylindrical helical compression springs
GB/T 2087-200 1 dimensions and parameters of cylindrical spiral stretch elastic band (semi-circular hook and loop)
Dimensions and parameters of cylindrical spiral tension elastic (circular hook-and-loop compression center type)
Dimensions and parameters of cylindrical helical compression springs (both ends are ground or forged flat)
GB/T 4 142-200 1 cylindrical spiral tensile projectile (round hook-and-loop type) dimensions and parameters
GB/T 2785- 1988 technical requirements for valve springs of internal combustion engines
Technical requirements for fuel injection pump, governor and injector spring of diesel engine
GB/T 4036- 1983 Clockwork
Watch hairspring-1983
Gb/t 1972-2005 disc spring
GB/T 10867- 1989 spring shock absorber
Gb/t 13828- 1992 multi-strand cylindrical helical spring
Gb/t 9296- 1988 floor spring
Gb/t 1805-200 1 spring terminology
Gb/t 1358- 1993 series of cylindrical helical springs.
The above is the gas spring standard for you. The gas spring is like a big warehouse. When you use it, you can choose the most suitable standard product according to the design requirements, so as to optimize the design and products.