SEV 440 Series

The SEV 440 Series of Shakers are matched with the DSA 48K, DSA 56K, DSA 60K, and DSA 80K Series of Power Amplifiers. Its armature and field supplies are assembled in two 19-inch network racks of 36 unit height.

Standard Features
  • Complies with EMC, Low Voltage and Machinery Directives under CE
  • Imported magnesium alloy armature structure
  • Imported hose pipe of extended temperature range
  • Self-lubricating central guidance bearing
  • Compatible with all standard Vibration Controllers
  • Trunnion mounted shaker for operation in vertical and horizontal position
  • Pneumatic based auto-centring of armature head
  • Body isolation using air bellows to isolate vibrations from the shaker
Optional Features
  • Air isolation mounts between base and ground
  • PC based Power Amplifier Remote
  • Attachment to Horizontal Slip Table, Head Expander and Vertical Load Support
  • Integration with Environmental Chamber
  • Lowering of gauss level at the armature head
  • Long-stroke with displacement up to 76 mm (3 in)
Technical Specifications
SEV 440 Series Shaker,
DSA Series Amplifier
SEV 440 —
DSA 48K
SEV 440 —
DSA 56K
SEV 440 —
DSA 60K
SEV 440 —
DSA 80K
System Performance
Armature Diameter 440 mm 440 mm 440 mm 440 mm
Sine Force (peak) 4000 kgf
(8800 lbf, 40 kN)
4900 kgf
(10800 lbf, 49 kN)
5000 kgf
(11000 lbf, 50 kN)
6000 kgf
(13200 lbf, 60 kN)
Random Force (rms) 4000 kgf
(8840 lbf, 40 kN)
4900 kgf
(10800 lbf, 49 kN)
5000 kgf
(11000 lbf, 50 kN)
6000 kgf
(13200 lbf, 60 kN)
Shock Force (rms) 8000 kgf
(17600 lbf, 80 kN)
9800 kgf
(21600 lbf, 98 kN)
10000 kgf
(22000 lbf, 100 kN)
12000 kgf
(26400 lbf, 120 kN)
Acceleration (sine) 80 g 95 g 100 g 100 g
Velocity (sine peak) 1.8 m/sec 1.8 m/sec 1.8 m/sec 1.8 m/sec
Displacement (pk-pk) 51 mm (2 in) 51 mm (2 in) 51 mm (2 in) 51 mm (2 in)
Axial Resonance (±5%) 2100 Hz 2100 Hz 2100 Hz 2000 Hz
Useful Frequency Range DC to 2400 Hz DC to 2300 Hz DC to 2300 Hz DC 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
Safety Compliance System complies and marks to the international safety requirements w.r.t. CE and CSA
Shaker Characteristics
Moving Element Mass 50 kg 50 kg 50 kg 60 kg
Internal Load Capability 550 kg 550 kg 550 kg 550 kg
Suspension Axial Stiffness 15 kg/mm 15 kg/mm 15 kg/mm 15 kg/mm
Suspension Cross-Axial Stiffness 500 kg/mm 500 kg/mm 500 kg/mm 500 kg/mm
Stray Magnetic Field* < 1 mT (10 gauss) < 1 mT (10 gauss) < 1 mT (10 gauss) < 1 mT (10 gauss)
Cooling Air Flow 2000 cfm 2000 cfm 2000 cfm 3000 cfm
Compressed Air** 6 bar (87 psi) 6 bar (87 psi) 6 bar (87 psi) 6 bar (87 psi)
Shaker Body Mass 5000 kg 5100 kg 5000 kg 6000 kg
Dimensions (L x W x H) 1605 x 985 x 1245 (mm) 1605 x 985 x 1245 (mm) 1605 x 985 x 1245 (mm) 1700 x 1080 x 1345 (mm)
Amplifier Characteristics
Power Output 48 kVA 56 kVA 60 kVA 80 kVA
Total Harmonic Distortion*** Typically 0.5% Typically 0.5% Typically 0.5% Typically 0.5%
Input Impedance > 10 kΩ > 10 kΩ > 10 kΩ > 10 kΩ
Input Sensitivity 4 Vrms, Compatible with all standard controllers 4 Vrms, Compatible with all standard controllers 4 Vrms, Compatible with all standard controllers 4 Vrms, Compatible with all standard controllers
Signal-to-Noise Ratio > 70 dB > 70 dB > 70 dB > 70 dB
Power Efficiency > 90% > 90% > 90% > 90%
Armature Insert Pattern SEV 440 Shaker
Pattern PCD PCD PCD
Position of Insert Centre 200 mm 400 mm
No. of Inserts (Total – 17) 1 4 4
Safety Norms
CE Complies with 73/23/EEC Low Voltage Directive, 89/336/EEC Electromagnetic Compatibility Directive and 98/37/EC Machinery Directive
Notes:
  1. *150 mm above armature head
  2. **Compressed air to be provided by customer at installation site
  3. ***Measured on pure resistive load
  4. Customised specifications are also tailored on request
  5. Please contact Sdyn for advice on the optimum specifications to meet your testing requirements
  6. Specifications are correct at the time of publication and are subject to improvement or amendment without prior notice