SEV 180 Series

 

The SEV 180 Series of Shakers are matched with the DSA 4K and DSA 6K Series of Power Amplifiers. Its armature and field supplies are assembled in a single 19-inch network rack of 30 unit height.

Standard Features

  • Complies with Machinery Directives, Low Voltage Directive and Electromagnetic Compatibility Directive under CE
  • Magnesium alloy armature structure
  • Cooling hose pipe of extended temperature range
  • Self-lubricating central guidance bearing
  • Trunnion mounted shaker for operation in vertical and horizontal position
  • Pneumatic and DC based auto-centring of armature head
  • Air isolation mounts between system base and ground

Optional Features

  • Up to 51 mm (2.0 in) with Long Stroke
  • PC based Power Amplifier Remote
  • Auto Resume from power failure
  • Auto Stop after user profile completion
  • Attachment to Horizontal Slip Table and Head Expander
  • Integration with Environmental Chamber

Technical Specifications

SEV 180 Series Shaker, DSA Series Amplifier SEV 180 – DSA 4K SEV 180 – DSA 6K
System Performance
Armature Diameter 180 mm 180 mm
Sine Force (peak) 400 kgf (880 lbf, 4 kN) 600 kgf (1320 lbf, 6 kN)
Random Force (rms) 280 kgf (650 lbf, 2.8 kN) 420 kgf (925 lbf, 4.2 kN)
Shock Force (rms) 800 kgf (1760 lbf, 8 kN) 1200 kgf (2640 lbf, 12 kN)
Acceleration (sine) 50 g 75 g
Velocity (sine peak) 2.0 m/s 2.0 m/s
Velocity (shock peak)* 3.4 m/s 3.4 m/s
Displacement (pk-pk)** 38 mm (1.5 in) / 51 mm (2.0 in) 38 mm (1.5 in) / 51 mm (2.0 in)
Axial Resonance (±5%) 3200 Hz 3200 Hz
Useful Frequency Range DC to 3500 Hz DC to 3500 Hz
Protection Interlocks Mains Input Over & Under Voltage, Over Current, Loss of Input Phase, Over Temperature Amplifier & Shaker, Field Fail, Cooling, User Safety Interlock if specifically required by the customer
Shaker Characteristics
Moving Element Mass 8 kg 8 kg
Internal Load Capability 150 kg 150 kg
Suspension Axial Stiffness 3.2 kg/mm 3.2 kg/mm
Suspension Cross-Axial Stiffness 250 kg/mm 250 kg/mm
Stray Magnetic Field*** < 2.0 mT (20 gauss) < 2.0 mT (20 gauss)
Cooling Air Flow 700 cfm 700 cfm
Compressed Air**** 4 bar (58 psi) 4 bar (58 psi)
Shaker Body Mass 850 kg 850 kg
Dimensions (L x W x H) 725 x 500 x 795 (mm) 725 x 500 x 795 (mm)
Amplifier Characteristics
Power Output 4 kVA 6 kVA
Total Harmonic Distortion***** Typically 0.5% Typically 0.5%
Input Impedance > 10 kΩ > 10 kΩ
Input Sensitivity 4 Vrms, Compatible with all standard controllers 4 Vrms, Compatible with all standard controllers
Signal-to-Noise Ratio > 75 dB > 75 dB
Power Efficiency***** > 92% > 92%
Armature Insert Pattern SEV 180 Shaker
Pattern PCD PCD PCD
Position of Insert Centre 100 mm 141.4 mm
No. of Inserts (Total – 9) 1 4 4
Safety Norms
CE Complies with Machinery Directive (2006/42/EC), Low Voltage Directive (2014/35/EU), and Electromagnetic Compatibility Directive (2014/30/EU)
Notes:
  1. *Peak shock velocity with reduced field power
  2. **51 mm (2.0 in) with Long Stroke option
  3. ***150 mm above armature head
  4. ****Compressed air to be provided by customer at installation site
  5. *****Measured on pure resistive load
  6. Customised specifications are also tailored on request
  7. Please contact Sdyn for advice on the optimum specifications to meet your testing requirements
  8. Specifications are correct at the time of publication and are subject to improvement or amendment without prior notice

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