Are your products fragile and/or are they as durable as they need to be? Whether your product is crystal, plastic, or an electronic component, the fragility or durability will change based on the different methods of your production process and the ever changing demands of the market.  As your process or product changes, it is important to define how fragile it is in understandable metrics. Smithers can characterize product fragility through our standard methods, performed on our shock and vibration test systems.  

Mechanical shock testing serves as a protection against common risks associated with impacts of all kinds. This type of testing can assess how a product will hold up against impacts and accelerations it may encounter in its service environment, so manufacturers can make crucial decisions to ensure product viability.

High Acceleration Shock

  • Table-sized top-mounting surface 6.0 x 9.06 in. (15.2 x 23 cm) and the front mounting surface is 9.06 x 9.06 in. (23 x 23 cm)
  • Pulse duration 0.25 or greater
  • Up to 2000 Gn pulse
  • Half sine or haversine pulses
  • Maximum velocity change: 24 – 32 ft./sec (7.3 – 9.7 m/sec)

With variable impact duration and waveform shape, the system can accurately simulate high acceleration shocks which the device may experience from bumps, impacts, and thrusts. High acceleration shocks may provide significant insight into the device’s behavior during transport, mishandling, rough environments, etc. 

Electrodynamic Shock

  • Expansion head size 20 x 20 in (50.8 x 50.8 cm)
  • Slip table size 36 x 36 in (91.4 x 91.4 cm)
  • Capable of multiple waveforms
  • Up to 170 g pulses
  • Velocity change up to 7.9 ft. /sec (2.4 m/s)

Electrodynamic capabilities include half-sine, haversine, initial or terminal sawtooth, triangular, rectangular, or trapezoidal shock pulse curves to simulate a wide range of shock events. Maximum displacement of 2 inches and acceleration up to 170g allows for increased versatility for shock simulation. A velocity rating of up to 7.92 ft. /sec allows for a multitude of shock profiles to accurately simulate the life of the DUT.

Common Standards

  • ASTM D3332 - Standard Test Methods for Mechanical-Shock Fragility of Products, Using Shock Machines

 

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