SEV 300 Series

 

The SEV 300 Series of Shakers are matched with the DSA 24K and DSA 32K Series of Power Amplifiers. Its armature and field supplies are assembled in a single 19-inch network rack of 36 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
  • Body isolation using air bellows to isolate vibrations from the shaker
  • Air isolation mounts between system base and ground

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
  • Lowering of gauss level at the armature head

Technical Specifications

SEV 300 Series Shaker, DSA Series Amplifier SEV 300 – DSA 24K SEV300 – DSA 32K
System Performance
Armature Diameter 300 mm 300 mm
Sine Force (peak) 2000 kgf (4400 lbf, 20 kN) 2500 kgf (5500 lbf, 25 kN)
Random Force (rms) 2000 kgf (4400 lbf, 20 kN) 2500 kgf (5500 lbf, 25 kN)
Shock Force (rms) 4000 kgf (8800 lbf, 40 kN) 5000 kgf (11000 lbf, 50 kN)
Acceleration (sine) 80 g 100 g
Velocity (sine peak) 2.0 m/s 2.0 m/s
Velocity (shock peak)* 3.7 m/s 3.7 m/s
Displacement (pk-pk)** 51 mm (2 in) / 76 mm (3 in) 51 mm (2 in) / 76 mm (3 in)
Axial Resonance (±5%) 2700 Hz 2700 Hz
Useful Frequency Range DC to 3000 Hz DC to 3000 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 25 kg 25 kg
Internal Load Capability 350 kg 350 kg
Suspension Axial Stiffness 8 kg/mm 8 kg/mm
Suspension Cross-Axial Stiffness 400 kg/mm 400 kg/mm
Stray Magnetic Field*** < 1 mT (10 gauss) < 1 mT (10 gauss)
Cooling Air Flow 1500 cfm 1500 cfm
Compressed Air**** 6 bar (87 psi) 6 bar (87 psi)
Shaker Body Mass 3250 kg 3250 kg
Dimensions (L x W x H) 1360 x 825 x 1100 (mm) 1360 x 825 x 1100 (mm)
Amplifier Characteristics
Power Output 24 kVA 32 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 300 Shaker
Pattern PCD PCD PCD PCD
Position of Insert Centre 141.4 mm 200 mm 250 mm
No. of Inserts (Total – 13) 1 4 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. **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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