Automated robotic testing system for pendulum impact testers
Automated Impact Tests
Reproducibility of test results is an important aspect of charpy or izod impact tests on samples of plastics. In order to reduce any influence from the operator, Zwick GmbH & Co. KG of Ulm, Germany, has developed an automated robotic testing system for pendulum impact testers. The robotic testing system, designated roboTest H, automates impact charpy or izod impact tests at room temperature or on cooled plastics samples. It moves the sample safely onto the shoulders of the pendulum impact tester. It also aligns the sample and releases the pendulum hammer automatically.
The overall system consists of the robotic testing system with a tempering magazine for up to 20 samples (stack height 80 mm), as well as a pendulum impact tester with either 25 or 50 J. To prepare for testing, the samples are first inserted into a magazine slide and positioned in the testing system. Tests can be performed even at low temperatures. In less than 5 s, the test specimen is moved via a slider to the gripper, placed in the testing space, centered and impacted. TestXpert software collects the data. The results are transmitted to a computer via a simple ASCII, ODBC or TCP/IP protocol.
Zwick GmbH & Co. KG Werkstoff-Prüfmaschinen
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