ColeslawNicks Posted June 1, 2012 Report Share Posted June 1, 2012 I am designing my own Charpy impact testing machine and I am unsure what would be the best as well as relatively simple and affordable method I can use to accurately measure the angle the pendulum travels after it has broke the sample. I would also appreciate any complex and more expensive ideas too that I can consider, accuracy and reliability are the most important things. I have thought of some methods but a lot of them will cause friction against the pendulum which could over complicate the final calculations. For anyone that is not familiar with the Charpy method here is a link to a brief description: http://www.twi.co.uk/services/technical-information/faqs/material-faqs/faq-what-is-charpy-testing/ Thanks. Quote Link to comment Share on other sites More sharing options...
Turtle Posted June 1, 2012 Report Share Posted June 1, 2012 I am designing my own Charpy impact testing machine and I am unsure what would be the best as well as relatively simple and affordable method I can use to accurately measure the angle the pendulum travels after it has broke the sample. I would also appreciate any complex and more expensive ideas too that I can consider, accuracy and reliability are the most important things. I have thought of some methods but a lot of them will cause friction against the pendulum which could over complicate the final calculations. For anyone that is not familiar with the Charpy method here is a link to a brief description: http://www.twi.co.uk/services/technical-information/faqs/material-faqs/faq-what-is-charpy-testing/ Thanks. referring to the diagram at your link, set up a video camera directly in front of the scale. after a test, go through the recording frame-by-frame to find the maximum angle obtained by the pendulum. Quote Link to comment Share on other sites More sharing options...
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