弹簧疲劳寿命验证试验分为弹簧疲劳寿命确定试验和弹簧疲劳寿命验证试验两种试验方式。弹簧在进行疲劳试验时，失效模式有弹簧断裂失效型式、因松弛丧失弹簧规定功能失效型式。根据弹簧功能要求，选择其中一项试验或两项试验作为弹簧疲劳寿命验证试验。符合GB/T16947-2009螺旋弹簧疲劳试验规范。

    20kN弹簧疲劳寿命试验机用于弹簧拉伸疲劳寿命试验、弹簧压缩疲劳寿命试验、弹簧拉压疲劳寿命试验。测试螺旋弹簧疲劳寿命、空气弹簧疲劳寿命、涡卷弹簧疲劳寿命等多种弹簧的动态疲劳性能。20kN弹簧疲劳寿命试验机有双工位三工位弹簧疲劳寿命试验机、四工位多工位弹簧疲劳寿命试验机。

高强度高应力异形特种弹簧疲劳试验机；弹性元件蝶形弹簧环形弹簧板弹簧疲劳试验机；涡卷弹簧冷卷弹簧热卷弹簧圆柱圆锥弹簧疲劳试验机；中凸中凹非圆形液压减震机车悬架弹簧疲劳试验机；BS EN 15827；JIS E 4710-2019；JIS E 4206；JIS E 4207；JIS K 6385； JIS K 6394；ISO 4664；ONORM NS EN 13913Ed.1；ONORM UNI NS EN 13597；CNS 10067；CNS 10068；KS R9222-2014；KS M 6726-2016；KS M 6745；GTCC-030-2016；HRJ-20kN石膏砌块断裂荷载试验机；HRJ-615木板材在线厚度自动测量系统；500kN线缆拉力试验套管成型快速液压机；HRJ-N150夹扭剪切钳抗弯扭力剪切性能试验机；滚刀刀圈耐磨粒磨损抗冲击疲劳试验机；弹簧拉压扭转疲劳刚度性能试验机；微机控制弹簧拉压试验机；双工位螺旋弹簧气弹簧拉压试验机；600kN微机控制弹簧拉压试验机；恒瑞金试验机；10kN微机控制气弹簧拉压试验机；QTW-300kN强力氮气弹簧试验机；1kN气压棒拉压试验机；3000kN机车车辆弹簧试验机；200kN弹簧横向刚度载荷试验机；弹簧垂向动态刚度试验机；ASR-300kN空气弹簧刚度气密性试验机；动车悬挂系统空气弹簧水平大位移循环载荷试验机；300kN铁路车辆空气弹簧静态刚度试验台；300kN空气弹簧二维刚度疲劳试验机；200kN橡胶应急弹簧二维刚度疲劳试验机；300kN车辆缓冲器圆弹簧试验机；100kN车钩缓冲器螺旋弹簧拉压试验机；1000kN钢制螺旋弹簧压力试验机；3000kN铁道车辆缓冲器静压试验机；悬架空气弹簧高低温台架疲劳寿命试验机；驾驶室空气弹簧高低温疲劳寿命试验机；三工位空气弹簧高低温疲劳耐久性试验机；300kN钢板叶片弹簧刚度变形压力试验机；50kN弹簧套管扶正器试验机；20kN 弹簧疲劳试验机；jn-syj；十工位螺旋弹簧疲劳试验机；2工位气压棒疲劳试验机；300kN空气弹簧高低温疲劳试验机；多工位空气弹簧螺旋弹簧高低温疲劳试验机；5N.m全自动弹簧扭转试验机；500N.m弹簧扭转疲劳试验机；100N.m涡卷弹簧扭转疲劳试验机；220N肌肉骨骼医用拉伸试验附具；YY0459外科植入物树脂骨水泥抗弯模量和抗弯强度附具；接骨螺钉自攻骨螺钉接骨板弯曲强度刚度测定附具；接骨板三点四点弯曲疲劳试验附具；YY/T0119.4-金属脊柱棒疲劳附具；金属脊柱棒拉伸四点弯曲三点弯曲棒扭转试验附具；YY/T0591-金属带锁髓内钉试验附具；YY/T0961-脊柱内固定系统组件及连接装置的静态及疲劳性能评价方法；脊柱固定系统组件横向试验附具；脊柱固定系统组件屈伸力矩试验附具；脊柱固定系统组件横向力矩试验附具；NB/T10995-2022风力发电机组高速轴联轴器技术规范；200kN.m联轴器扭矩预磨标定刚度疲劳试验台；

    Spring Tension Compression Fatigue Life Tester；Spring Tension Compression Torsion Fatigue Stiffness Properties Testing Machine；Battery Spring Tester；Sofa Spring Tester；HRJ Tester；Micro Spring Tester；Little Spring Tester；Load switch Spring Tensile Compression Tester；Circuit-breaker Spring Tensile Compression Tester；Spring Clamp Compression Stiffness Tester；Wavy Plate Spring Compression Tester；Side Ripple Spring Compression Stiffness Tester；Computer Spring Tensile Compression Testing Machine；Two Spring Tensile Compression Tester；Computer Gas Spring Tensile Pressure Tester；Nitrogen Gas Spring Pressure Tester；Gas Springs Tensile Compression Tester；Desktop Spring Tension Compression Tester；Main Steam Safety Valve Spring Load Tester；Vehicle Spring Compression Tester；Spring Transverse Stiffness Tester；Spring Transverse Stiffness Load Tester；Spring Vertical Dynamic Stiffness Tester；Air Spring Stiffness Air Tightness Tester；Air Spring Vertical Horizontal Transverse Stiffness Fatigue Tester；Railway Vehicle Air Spring Static Stiffness Testing Machine；Air Spring Two-Dimensional Stiffness Fatigue Tester；HRJ Tester；Rubber Spring Two-Dimensional Stiffness Fatigue Tester；Spring bumper Tension Compression Tester；Steel Helical Spring Compression Tester；Railway Bogie Coil Spring Tester(Hydraulic)；Railway Vehicle Draft Gears Static Load Tester； Air Suspension Air Spring High Low Temperature Fatigue Life Tester；Commercial Vehicles Cab Air Spring Fatigue Life Tester；High Speed Train Shock Absorber Fatigue Life Tester；jn-syj；Railway Vehicle Shock Absorber Fatigue Life Tester；Helical Spring Compression Testing Machine；Coil Spring Compression Tester；HRJ Tester；Automobile Leaf Spring Compression Tester；Bow-spring Casing Centralizers Tester；Multi position Spring Fatigue Tester；Ten Position Helical Spring Fatigue Tester；Two Gas Springs Fatigue Tester；Mattress Spring Fatigue Life Tester；Multi position Air Spring High Low Temperature Fatigue Tester；Helical Spring High Low Temperature Fatigue Tester；Multiposition Helical Spring High Low Temperature Fatigue Tester；Multi position Gas Spring Fatigue Tester；Gas Spring High Low Temperature Fatigue Tester；Desktop Computer Spring Torsion Tester；Spiral Spring Torsion Fatigue Tester；Couplings Torque Pre Grinding Calibration Stiffness Fatigue Test Bench；