Description:

Servohydraulic machine specially designed for the compression of coil springs Fully automatic. Computer controlled and closed-loop operation. Suitable for axial stiffness test as per EN 13298 for railway applications (among other standards and industries ) for example in the context of EN 50126, IEC 62278 and similar standards. Double acting hydraulic actuator with low friction polymer seals (consult us to check the possibility of doing other type of tests such as tensile, bending, folding, shearing ... with this machine ). Capacity: 300 kN. Load measuring system: high accuracy load cell. Special version with increased lateral force and bending moment stability. Brand: HBK or equivalent. Accurate and robust load cell for tensile-compression tests. Relative repeatability errors with unchanged mounting position: 0.02%. Effect of the bending moment at 10% nominal force x 10 mm: 0.01%. Effect of lateral forces (lateral force = 10% of nominal force): 0.01%. Maximum operating force: 240% of nominal force. Force limit: 240% of nominal force. Breaking force: > 280% of nominal force. Bending moment limit without taking into account the properties of the flange screw fitting: 5715 N·m. Static lateral force limit without taking into account the properties of the flange screw fitting: 100% of nominal force. Stiffness: 41.7 x 105 N/mm. Machine class 0.5 according to EN ISO 7500-1 from 1% to 100% of its capacity. Single testing space. High stiffness testing frame: 900 kN/mm. 4 steel columns made of hardened steel. 4 point piston rod guiding system to minimize the effects of buckling at maximum load. Maximum frame deformation lower than 0.33 mm at maximum load. Piston stroke: 400 mm. Displacement transducer: encoder. Range: 400 mm. Resolution: 0.01 mm. Maximum distance between compression plates: 400 mm. Free space between columns: 500 x 500 mm. Power supply: Three phase, 380 V +N +E, 50 Hz. Other power supplies on request Including: IBERTEST calibration is performed with calibrated equipment and traceability to international standards. Issuance of certificate.