Electrodynamic Shaker Systems
Unholtz-Dickie Corporation (UD)
A test machine that uses magnets and electricity to shake products.
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Product
Electrodynamic Shakers
S-Series
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The S-Series Vibration Test Systems cover a wide range of force output [300 to 6,000 lbf (1.3 - 26.7 kN)] in support of small to moderately large payloads. The S-Series shakers are supplied with SC Series power amplifiers, featuring ultra-rugged Silicon Carbide MOSFET output transistors.
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Product
Electrodynamic Shakers
H-Series
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The H-Series provides an intermediate force range of vibration test systems consisting of the SC Series Class D power amplifier with integrated DC field supply, H560B electrodynamic shaker and a remote cooling blower. Systems are provided as complete packages including EMI shielded console with 3-phase line filtering, interface cabling, integrated safety interlocks, and full featured interface panel for the power amplifier. All systems are direct coupled for maximum rated performance and require no transformer reconnections or switching circuits.
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Product
Electrodynamic Shakers
R-Series
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The R-Series vibration test systems are designed to provide reliable performance for medium and high force applications. The R-Series Shaker Armature incorporates a multi-ribbed design, which provides maximum stiffness and minimum weight, resulting in a high acceleration to specimen weight ratio and impressive acceleration and frequency performance.
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Product
Electrodynamic Shakers (Highest Force Air Cooled System)
K-Series
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K-Series high performance electrodynamic shaker systems offer 100% air cooling, 3 inch (76 mm) stroke, and feature an output force up to 18,000 pounds (80.1 kN). They are available with a 16 inch (445 mm) or 24 inch (654 mm) armature outer bolt circle, allowing a variety of package sizes and fixture configurations.
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Product
Induct-A-Ring Shaker Systems
T2000 Series
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The T2000 Series of vibration test systems is designed to meet the ever-changing challenges of today’s moderate to extreme level test requirements. The T2000 Series is used by many different industries with a proven track record of unmatched and as yet unchallenged performance and long term reliability.
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Product
Electrodynamic Shaker Systems
Model T4000 / T5000 / T5500 Series
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The T4000/T5000/T5500 Series of vibration test systems provide extreme test level requirements. These systems are used in a variety of industries requiring high force output, including satellite, communication, and space launch vibration and PYRO shock applications.
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Product
Electrodynamic Shaker Systems
High Frequency Vibration Testing
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Typical electrodynamic shakers have a usable frequency range up to 2,000-3,000 Hz. For higher frequency applications, UD engineers have developed two different shaker systems optimized for sine & random vibration tests up to 5,000+ Hz. and extreme SRS shock events out to 10,000 Hz.!
