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Impact Testing - Drop Tower

A drop tower can be used to measure energy absorbed of a sample or to apply a set amount of damage to a specimen at impact velocities from 1 – 24m/s.

A test system consists of:
 
  • A falling mass guided by columns
  • A load sensor (tup) with an insert shaped for the application
  • A test fixture to hold the specimens
  • A ‘flag’ to measure velocity and trigger data collection
  • Data Acquisition System (DAS)  with over 50,000 points at acquisition rates in the region of 2MHz
  • Control and data analysis software package to:
    • To collect data for the DAS
    • Input test parameters for a test method
    • Machine Control
    • Perform calculations
    • Analyse Data


Optional items include:
 
  • An environmental chamber
  • Anti rebound device used to catch the mass after a rebound
  • Automation system to test batches of samples

CEAST 9350, 1800J and 24m/s Drop Tower

Instron - 9400 drop towers

Types of Test


Typical Applications

  • Impact Testing of PVC Vinyl Materials
  • Crack Resistance of Automobile Bumpers
  • Personal Protective Equipment Testing
  • Eyewear Products and Impact Performance
  • Impact Resistance of Thermoplastic Pipes and Fittings
  • Impact Testing of Plastic Storage Containers
  • Tear and Puncture Resistance of Plastic Films
  • Impact Resistance of Milk Bags

Life-cycle stage

  • Raw Materials
  • Semi-finished and finished product
  • Component Testing

End User Type

  • Product Developer
  • Quality Control
  • Testing Services
  • Research
  • Education

Applicable Standards


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Instron bottom April 2020
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