Vibration Test System

DEV 180 [400 To 600 kgf]

Vibration Test System Description

Electro-dynamic Shakers simulate real-world environments to investigate dynamic endurance and ascertain reliability in select fields of vibration testing.

This low force range of shakers are specially designed for testing of small electronics and mechanical objects and for conducting experiments in engineering institutes .

System Description

As a standard configuration, the shaker is supported on a frame with a trunnion assembly for 90 degree till. It is force-air-cooled by a centrifugal blower system which sucks air through the evenly spaced air guide path that is interlocked with the amplifier console for operational safety.

The shaker's electromagnet and moving element are energized by the direct current and alternating current supplies respectively generated and are electronically interlocked to the power amplifier drive console.

The solid-state Power Amplifier is an intelligent microcontroller based console in a movable rack version. It has a feather-touch user-friendly interface at the front panel to drive the respective Electro-dynamic Shaker.

Salient Features

  • Trunnion mounted shaker
  • Compatible with any Digital Vibration Controller
  • Low weight and robust Armature
  • Low Noise Cooling Blower
  • Microcontroller based fault diagnosis
  • Low Frequency Isolation(optional)

Technical Specifications

DEV 180-DPA 4K

DEV 180-DPA 6K

System Performance

Armature diameter 180 mm 180 mm
Sine force (peak) 400 Kgf (880 lbf) 600 Kgf (660 lbf)
Random force (rms) 300 Kgf (660 lbf) 450 Kgf (990Ibf)
Shock force 800 Kgf (1760 Ibf) 1200 Kgf (2640 Ibf)
Acceleration (Sine) 60 'g' 75 'g'
Velocity (sine peak) 1.6m/sec 1.6m/sec
Displacement (Pk-pk) 38mm (1 Inch) 38mm (1 Inch)
Axial Resonance (±5%) 3000Hz 3000Hz
Useful Frequency range 5 to 3500 Hz 5 to 3500 Hz
Protection Interlocks Mains input Over & Under Voltage, Over Current, Loss of Input Phase, Over Temperature Amplifier &   Shaker, Cooling flow, Field fail, User safety interlock or if specifically required by customer.

Shaker Characteristics

Moving element mass 7kg 8kg
Internal load capability 150 Kg 150 Kg
Suspension axial stiffness 3.5Kg/mm 3.5Kg/mm
Suspension cross-axial stiffness 250 Kg/mm 250 Kg/mm
Stray magnetic field (150mm above table) 20 gauss 20 gauss
Cooling air flow (blower system) 600 cfm 600 cfm
Compressed air (utility required at site) 4 Bar 4 Bar
Shaker body mass 860Kg 860Kg
Dimensions (L x W x H) (mm) 735 x 505 x 800 735 x 505 x 800

Amplifier Characteristics

Power output 70V,60A 80V, 80 A
Total harmonic distortion (At resistive load) Typically 0.5% Typically 0.5%
Input impedance (Nominal) 10 k Ohm 10 k Ohm
Input sensitivity 4 V rms Compatible with all standard controllers
Signal-to-Noise ratio > 75 dB > 75 dB
Power efficiency >90% >90%

Safety Norms

Protection Integral protection to prevent the output devices working beyond their specification limits.
EMC EN50081-2 Emissions and EN50082-2 Immunity

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