Vibrations on machine foundations Machine foundation and isolation of vibrations Features - vibrations generated via imbalance Learning objectives/experiments - familiarisation with vibration phenomena on machine foundations - adjust the foundation for different excitation forces - investigate vibration absorbers - investigate the effect of additional damping - compare metal springs and rubber springs - measure and analyse vibrations - determine operational vibration modes Specification [1] display and study vibrations on machine foundations [2] vibration generator excites vibrations by imbalance [3] vibration-free laboratory operation thanks to additional vibration isolation of the foundation [4] 2 brushless high-performance servomotors to drive the vibration generator [5] eccentricity, rotational frequency, direction of rotation, adjustable phase position and frequency ratio [6] variable arrangement of vibration absorbers [7] vibration measurement via acceleration sensors [8] inductive displacement sensor records the eccentricity of the imbalance masses [9] GUNT software with control functions and data acquisition via USB under Windows 10 [10] TM 182.01 piston compressor can be used as alternative "real" vibration generator Technical data Drive motors - max. speed: 6000min-1 - max. torque: approx. 3,40Nm "Machine" mounted on a plate - mass: max. 26kg (incl. extra weights 4x 2kg) - max. imbalance: 2x 500cmg - max. imbalance force: 2x 500N (up to 3000min-1) Foundation - mass: max. 73kg (incl. extra weights 5x 9,4kg) - min. natural frequency: 2,66Hz Compression springs - spring stiffness C: 2,44N/mm...139,53N/mm - transverse stiffness Cq: 0,30N/mm...90,0N/mm Measuring ranges - acceleration: 490m/s2 230V, 50Hz, 1 phase 230V, 60Hz, 1 phase; 230V, 60Hz, 3 phases UL/CSA optional LxWxH: 1140x800x1170mm Weight: approx. 311kg