LSM

GHI Systems Linear Shock Machines

True horizontal motion, great for testing HDD's, electronic modules, crash sensors, MEMS devices, etc. Half-sine programmable using elastomer MEP's (Modular Elastomer Programmer), sheet felt, and other materials including sheets of paper. User adjustable peak amplitudes using calibrated table release position scale.

Click the play button above to see the RSM in action!

Preliminary Specifications

• Mechanical

  Type:	Portable, accelerated, programmed impact
  Orientation:	Horizontal translation
  Test Item Weight:	3Kg (6.6 lbs) normal
  Deminsions:	120cm L, 34cm H, 41cm W(50"x13.5"x16")
  Weight:	75Kg, (165 lbs)
  Seismic Mass:	45Kg, (99 lbs)
  Table Surface:	25.4cm x 25.4cm(10" x 10")
  Table Construction:	Solid Magnesium
  Table Mounting Holes:	M6 x 1mm pitch, 25mm grid
  Operation:	Dry compressed air, 4Kg/cm sq.(100-120 psi)
  Safety Features:	Remote air valve operation, safety interlocked clear plastic cover.

• Performance

  Velocity Change Limits:	635cm/sec(250"/sec)maximum to 63.5cm2/sec(25"/sec)minimum
  Pulse shapes:	Nominal Haversines
  Filter Frequencies Suggested:	5KHz to 10KHz rolloffs, depending on pulse durations.
  Pulse Durations:	0.1ms < T < 30ms

  
  

• Bundled Data Acquisition

  GHI 4 channel MiniWinCAT card and Level 1 time domain software for peak amplitude, duration, velocity change, double integral of acceleration plots and reports. Also includes 1,000g shock accelerometer & cables.

  Can also be furnished with WinSRS, and WinMilSpec Tolerance Bar S/W.

  Click here to see LSM MEP Performance Data.

Screen Shots

• Pic #1 2.5 ms, 408 g peak shock and cross axis noise on same scale. 10KHz LP filter.
• Pic #2 0.28 ms, 1035 g peak shock pulse 5KHz low pass filter.

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