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Modal shaker 4824

modal shaker
modal shaker
modal shaker
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Description

A compact and lightweight modal exciter with a force rating of 100 N (22 lbf), Type 4824 is ideal for high-precision, single- or multi-point excitation of a range of payloads, from automotive powertrain and drivetrain components to large and very large structures. Powerful despite its small dimensions, Type 4824 is built to offer versatility and reliability in challenging modal applications, including SISO and SIMO tests of mechanical components, such as engines, as well as MISO and MISO tests of large structures. Suitable for impulse, sine and random signals, it also features a wide frequency range (DC – 5000Hz) and up to 25.4 mm (1 in) of displacement for improved performance at low frequencies. USE SCENARIOS General mechanical mobility measurements Experimental modal analysis, including long-duration testing of mechanical structures Single- and multiple-point excitation and response modal analysis applications, including SISO, MISO, SIMO and MIMO test configurations Advanced structural dynamics investigations Structural damage detection Finite element model (FEM) or finite element analysis (FEA) correlation CHARACTERISTICSDesigned using rare-earth neodymium technology, this exciter has a high force-to-weight ratio, allowing it to deliver random and sine forces up to 70 and 100 N (15 and 22 lbf), respectively, without external cooling. Type 4824 incorporates a low-mass, high-rigidity armature made of magnesium and suspended on springs, which minimizes force drop-offs at resonant frequencies and improves the quality of force measurements. A built-in optical sensor accurately controls the position of the armature.

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