2N.m冷卷圆截面圆柱螺旋扭转弹簧扭矩试验机，扭转速度0～1080°/min，将弹簧扭转至试验扭矩三次之后，测试指定扭转角下弹簧扭矩、弹簧扭矩极限偏差、扭簧扭转刚度，绘制弹簧特性曲线。

2N.m外臂扭转弹簧扭矩试验机；2N.m内臂扭转弹簧扭矩试验机；5N.m中心距扭转弹簧扭矩试验机；2N.m平列双扭弹簧扭矩试验机；2N.m直臂扭转弹簧扭矩试验机；jn-syj；2N.m单臂弯曲扭转弹簧扭矩试验机；20N.m扭簧扭转刚度试验机；100N.m扭转弹簧疲劳试验机；10kN弹簧试验弯曲应力试验机；0.5～1mm扭簧扭矩试验机；1～2mm扭簧扭矩试验机；2～4mm扭簧扭矩试验机；n3扭簧扭矩试验机；n10扭簧扭矩试验机；120°扭转角扭矩试验机；50N.m铍青铜线弹簧扭转试验机；jn-syj；500N.m动载荷扭簧疲劳试验机；50N.m阀门扭簧疲劳试验机；20N.m铜铍合金弹簧扭矩试验机；200N.m多股扭簧扭矩试验机；小型圆柱螺旋弹簧扭矩试验机；50N.m蜗卷弹簧扭转疲劳试验；200N.m蜗卷弹簧扭矩荷载疲劳试验；

GB/T1239.3-2009冷卷圆柱螺旋扭转弹簧；GB/T4357-2009；GB/T21652-2017；GB/T18983-2017；YB/T5311-2010；YS/T571-2009；hrjtest；GB/T1239.1-2009；GB/T1239.2-2009；GB/T13828-2009；GB/T16947-2009；GB/T1972-2005；GB/T1973.1-2005；GB/T1973.2-2005；GB/T1973.3-2005；GB/T19739-2005；GB/T2088-2009；GB/T18029.15-2008；GB/T18029.26-2014；GB/T30661.2-2014；JT/T460；QC/T805；QC/T831-2010；QC/T844-2011； GB/T30661.3-2015；GB/T36524-2018；GB/T22524-2008；GB/T4755-2004；GB/T6321-2004；JB/T7649.6-2008；JJG 118-2010； ASTM B197M-01；JIS G4314；ISO/FDIS8458-3；hrjtest；ISO 18070-2015；JIS G4313；ISO 6931-1；EN 10151；ISO 16840-2；ISO 16840-3；ISO 7176-15；ISO 7176-26；

Cold Coiled Helical Torsion Spring Torque Tester；jn-syj；Cold coiled helical springs technical specifiations；Carbon spring steel wire for significant use；Copper-beryllium alloy round wire；Stranded wire cylindrical helical springs；Helical spring fatigue testing standard；Cylindrical coiled tension spring dimensions and parameters；Flat Spiral Spring Torsion Fatigue Tester；Spring Torque Torsion Angle Curve；Passenger Car Seat Spring Tester；hrjtest；Spiral Spring Tester；Contact Flat Spiral Spring Tester；Non-contact Flat Spiral Spring Tester；Spring Working Torsion Angle；Spring Ultimate Torsion Angle；Spring Test Torsion Angle；Recliner Spring Tester；Discontinuous Recliner Spring Tester；Continuous Recliner Spring Tester；Core Part Spring Tester；Upper Bracket Spring Tester；Lower Bracket Spring Tester；Multiposition Spring Fatigue Tester；Spring High Low Temperature Fatigue Tester；Torsion-Bar Spring Fatigue Testere；Seat Torsion Spring Durability Tester；Dynamic Spring Rate Tester；Spring Fast Pluck Tester；Flake Spring Torsion Fatigue Tester；Linearity Flake Spring Fatigue Tester；Non-Linearity Flake Spring Fatigue Tester；jn-syj；Cylindrically Helical Torsion Spring Fatigue Tester；Constant-Force Spring Torsion Tester；Retortion Rubber Spring Fatigue Tester；China Spring Tester；Asia Spring Tester；World Spring Tester；Various Spring Tests；Various Testing Machine；Laboratory Equipment；Tester Service Center；Tester Fittings Supply Center；Test Accessories Design Manufacture Center；Special Test Accessories Center；Testing Machine Accessories；Material Tester Attachment；Material Tester Fixture；

济南恒瑞金试验机有限公司；弹簧扭矩疲劳试验机；山东省力值硬度计量委员

（试验机服务中心）（试验机配件供应中心）（特殊夹具定制中心）