SEV 360 Series

The SEV 360 Series of Shakers are matched with the DSA 36K and DSA 45K 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 360 Series Shaker, DSA Series Amplifier	SEV 360 – DSA 36K	SEV 360 – DSA 45K
System Performance
Armature Diameter	360 mm	360 mm
Sine Force (peak)	3000 kgf	3500 kgf
Random Force (rms)	3000 kgf	3500 kgf
Shock Force (rms)	6000 kgf	7000 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%)	2600 Hz	2600 Hz
Useful Frequency Range	5 to 2800 Hz	5 to 2800 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	35 kg	35 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	1800 cfm	1800 cfm
Compressed Air****	6 bar (87 psi)	6 bar (87 psi)
Shaker Body Mass	3500 kg	3500 kg
Dimensions (L x W x H)	1420 x 885 x 1165 (mm)	1420 x 885 x 1165 (mm)
Amplifier Characteristics
Power Output	36 kVA	45 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 360 Shaker
Pattern	PCD	PCD	PCD	PCD
Position of Insert	Centre	141.4 mm	200 mm	300 mm
No. of Inserts (Total – 17)	1	4	4	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:

*Peak shock velocity with reduced field power **76 mm (3.0 in) with Long Stroke option ***150 mm above armature head ****Compressed air to be provided by customer at installation site *****Measured on pure resistive load Customised specifications are also tailored on request Please contact Sdyn for advice on the optimum specifications to meet your testing requirements Specifications are correct at the time of publication and are subject to improvement or amendment without prior notice