Pendulum impact tester
A pendulum impact tester uses the potential energy of a swinging hammer to fracture a specimen suddenly. The energy consumed is measured via the rebound angle.
Physical-Chemical Mechanism of Action
A pendulum impact tester consists of a frame on which a heavy hammer swings. The hammer is set in motion by a spring or a spring mechanism. On each cycle of the hammer, the specimen is struck and shattered.
Metallurgical Relevance & Welding Risks
The energy applied to the specimen can cause metals to deform or change their structure. This is especially important when testing weld specimens to ensure they can withstand the necessary mechanical loads.
Workshop Practice & Instructions
To correctly set up and use the pendulum impact tester, follow these steps:
1. Setting the hammer: The hammer must be adjusted to strike the specimen with the necessary energy.
2. Measuring the rebound angle: The rebound angle is measured and recorded to determine the energy consumed.
3. Specimen preparation: The specimen must be carefully prepared before the test to ensure it has no deformations or damage.