HRJ气弹簧拉压疲劳刚度性能试验机，测定气弹簧动态疲劳寿命刚度性能。测试气弹簧开启力启动力锁定力，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，绘制力-位移曲线。测试气弹簧标称力、最大伸展力、最小伸展力、最大压缩力、最小压缩力等气弹簧力学特性。气弹簧伸展速度试验，测定气弹簧伸展时间和伸出行程，计算气弹簧伸展速度平均速度。
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