→It is composed of a drive system, loading system, transmission system, measurement control system, display system, etc.
→ It is suitable for axial force-deformation tests, maximum zero drift tests, lateral stiffness tests, and lateral displacement tests of steel helical springs in the suspension devices of locomotives and vehicles, and meets the requirements for spring testing machines specified in standards such as JB/T7796-2005 "Spring Tension and Compression Testing Machine", TB/T 2211 "Steel Helical Springs for Locomotive and Vehicle Suspension Devices", and EN13298 "Railway Applications - Suspension Device Components - Steel Helical Springs". It can test and confirm the axial stiffness, lateral stiffness, offset direction, and offset angle of springs subjected to lateral forces.
→ It is also suitable for axial force-deformation tests and maximum zero drift tests of rubber products, and meets the stiffness test requirements specified in standards such as TB/T 2843 "General Technical Conditions for Rubber Elastic Elements for Locomotives and Vehicles", TB/T 3268 "Rubber Pads for Railway Freight Car Load-bearing Saddles", and TB/T 3269 "Elastic Side Bearings for Railway Freight Cars". This testing machine is equipped with a fully digital AC servo motor and driver, a precision planetary reducer, a high-efficiency gap-free synchronous toothed belt, and a precision ball screw to form the transmission. It operates stably and reliably.
→ It is desiged according to the following standards:
ü GB/T2611 General requirements for testing machines
ü JJG139 Tension, compression and universal testing machines
ü JB/T7796 Tension and compression spring testing machines
ü TB/T2211 Steel helical spring of suspension mechanism for rolling stock
ü EN13298 Railway applications-Suspension components-Helical suspension springs, steel
ü TB/T2843 General technical requirement for rolling stock rubber to metal parts
TB/T3268 Rubber metal pad for freight car load bearing saddle
→Maximum compressive test force: ±200 kN
→Maximum lateral (transverse) test force: ±40 kN
→Vertical displacement travel: ≥900mm
→Lateral displacement travel: X and Y directions ≥ ±60mm
→Vertical displacement speed: 0.05 - 500mm/min
→Lateral displacement speed: 0.05 - 500mm/min
→Maximum compression space: 600mm × 600mm × 900mm (L × W × H)
