QMT News: January 2011
World’s largest pendulum impact tester


The China Petroleum Materials Corporation in Xi'an has placed an order with Zwick/Roell for the largest pendulum impact tester ever built. With a height of more than 6.5 meters and total weight of more than 90 tonnes (pendulum including base), it will be used for testing pipe materials for pipelines according to ASTM standard E436 and API standard RP5L3.

The pendulum hammer alone is 2.1 meters long and weighs two tonnes. The enormous size of the pendulum impact tester created particular challenges for safety technology. An intelligent retainer, for example, protects the user from the swinging pendulum and a hydraulic brake ensure that it stops completely and safely returns to its starting position after the test.
With this pendulum impact tester, tests can be carried out in temperatures as low as -70°C (-94°F).
   www.zwick.com
  
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