SEW 590 Series

 

The SEW 590 Series of Shakers are matched with the DSA 200K and DSA 240K Series of Power Amplifiers. Its armature supply is assembled in three 19-inch network racks of 36 unit height and field supply is assembled in two 19-inch network racks of 36 unit height. The water cooling system is assembled in two 19-inch network racks of 36 unit height. All three system communicate with each other over a galvanically isolated RS 485 interface.

Standard Features

  • Complies with Machinery Directives, Low Voltage Directive and Electromagnetic Compatibility Directive under CE
  • Aluminium or Magnesium alloy armature structure
  • Hydrostatic central guidance bearing
  • Trunnion mounted shaker for operation in vertical and horizontal position
  • Pneumatic and DC based auto-centring of armature head
  • Body isolation using air bellows to isolate vibrations from the shaker
  • Air isolation mounts between system base and ground
  • Lowering of gauss level at the armature head
  • Hermetically sealed construction

Optional Features

  • Up to 76 mm (3.0 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

SEW 590 Series Shaker, DSA Series Amplifier SEW 590 – DSA 200K SEW 590 – DSA 240K
System Performance
Armature Diameter 590 mm 590 mm
Sine Force (peak) 12000 kgf 16000 kgf
Random Force (rms) 12000 kgf 16000 kgf
Shock Force (rms) 24000 kgf 32000 kgf
Acceleration (sine) 85 g 100 g
Velocity (sine peak) 1.8 m/s 1.8 m/s
Velocity (shock peak)* 2.4 m/s 2.4 m/s
Displacement (pk-pk)** 51 mm (2 in) / 76 mm (3 in) 51 mm (2 in) / 76 mm (3 in)
Axial Resonance (±5%) 1700 Hz 1700 Hz
Useful Frequency Range 5 to 2000 Hz 5 to 2000 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 160 kg 160 kg
Internal Load Capability 2000 kg 2000 kg
Suspension Axial Stiffness 10 kg/mm 10 kg/mm
Suspension Cross-Axial Stiffness 3200 kg/mm 3200 kg/mm
Stray Magnetic Field*** < 1 mT (10 gauss) < 1 mT (10 gauss)
Compressed Air**** 7 bar (100 psi) 7 bar (100 psi)
Cooling A dedicated cooling system for storing, circulating and cooling distilled water used for cooling
Amplifier Characteristics
Power Output 200 kVA 240 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 SEW 590 Shaker
Pattern PCD PCD PCD PCD
Position of Insert Centre 200 mm 400 mm 550 mm
No. of Inserts (Total – 25) 1 8 8 8
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. **76 mm (3.0 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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