GB/T 39433-2020气弹簧设计计算2021.06.01实施。标准适用于压缩气弹簧、可锁定气弹簧、座椅升降气弹簧和拉伸气弹簧,其他气弹簧可参照使用。标准规定了气弹簧的参数名称、符号、说明及单位，常用的结构型式，设计计算原理和设计计算。气弹簧参数名称、符号、说明及单位见表1。

气弹簧由一个密闭缸筒和可以在缸筒内滑动的活塞及活塞杆组件组成的以氮气或其他惰性气体为储能介质的弹性元件。压缩气弹簧是无外力作用下活塞杆呈自由伸展状态,并承受压力的气弹簧。可锁定气弹簧，在运动行程内,可在任意位置锁定或开启的气弹簧。座椅升降气弹簧，用于座椅高度调节并可在运动行程内任意位置锁定或开启的气弹簧。拉伸气弹簧，无外力作用下活塞杆呈自由回弹状态,并承受拉力的气弹簧。

5kN气弹簧疲劳寿命试验机，测定气弹簧动态疲劳性能、气弹簧循环寿命性能。测试气弹簧开启力和启动力，采力点C处伸展力和压缩力F₁F₂F₃F₄，计算气弹簧公称力、动态摩擦力和弹力比率，绘制载荷力-位移曲线。气弹簧外筒筒壁温度50℃监测，HRJ气弹簧疲劳寿命试验附具，1.5倍气弹簧疲劳荷载刚度。

5kN气弹簧疲劳寿命试验机；2工位气弹簧动态疲劳试验机；HRJ Tester；3kN长行程气弹簧疲劳试验机；1kN导电气弹簧疲劳试验机；2kN锥度气弹簧疲劳试验机；1kN缓冲气弹簧疲劳寿命试验机；20kN超强气弹簧疲劳寿命试验机；1kN自由复位气弹簧疲劳试验机；3kN升降气弹簧疲劳试验机；5kN旋转气弹簧疲劳试验机；2kN拉线气弹簧疲劳试验机；1kN微型气弹簧疲劳试验机；5kN碳钢气弹簧疲劳试验机；2kN不锈钢气弹簧疲劳试验机；L型气弹簧疲劳寿命试验机；1kN家居气弹簧疲劳试验机；2kN转椅气弹簧疲劳寿命试验机；300kN橡胶空气弹簧二维刚度疲劳试验机；50kN多工位气弹簧疲劳试验机；2工位气压棒疲劳试验机；jn-syj；5kN气弹簧高低温疲劳试验机；200kN强力氮气弹簧试验机；2kN双工位气弹簧拉压试验机；100kN气弹簧刚度气密性试验机；5kN进气阀弹簧疲劳试验机；

GB/T 13061-2017商用车空气悬架用空气弹簧；GB/T 20914.1-2007；GB/T 20914.2-2007冲模氮气弹簧附件规格；GB/T 20914.3-2019紧凑强力氮气弹簧；GB/T 20914.4-2019等高强力氮气弹簧；GB/T 25750-2010可锁定气弹簧技术条件；GB/T 25751-2010压缩气弹簧技术条件；GB/T 29525-2013座椅升降气弹簧技术条件；GB/T 33156-2016；GTCC-030-2016铁道客车空气弹簧；HG/T 3749-2004；JB/T 10418-2004；JB/T 11563-2013机床圆形空气弹簧减振器；JB/T 13755-2020气弹簧用活塞杆技术条件；QB/T 2577-2002橡胶空气弹簧；QC/T 207-1996汽车用普通气弹簧；TB/T 2841-2019铁路车辆空气弹簧；JB/T8064.1-1996；JB/T8064.2-1996；ISO 11901-1；ISO 11901-2；ISO 11901-3；DIS 11901-4；hrjtest；ISO 10069-1；ISO 10069-2；ASTM D 7023；BS EN 1730；BS EN 1729-2；DIN 4550；BS EN 1728；ANSI/BIFMA X5.1；ANSI/BIFMA X5.4；ANSI/BIFMA X5.6；ANSI/BIFMA/SOHO S6.5；NF D61-001；NF D62-003；UL 1286；UL 962；GB/T2348-2018；

Compressed Gas Springs Mechanical Properties Tester；Lockable Gas Springs Mechanical Properties Tester；Seat Lift Gas Springs Mechanical Properties Tester；Extension Gas Springs Mechanical Properties Tester；Stretch Gas Spring Mechanical Properties Tester；Gas spring design calculation；Other Gas Springs Tensile Compression Tester；Composed of a closed cylinder and a piston and piston rod assembly that can slide in the cylinder, using nitrogen or other inert gas as the energy storage medium Quality elastic element；The piston rod is in a freely stretched state without external force, and is a gas spring under pressure；A gas spring that can be locked or opened at any position within the movement stroke；The gas spring is used for seat height adjustment and can be locked or opened at any position within the movement stroke；The piston rod is in a freely rebounding state without external force, and is a gas spring that bears tension；

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