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- Technical Description Model 263
Technical Description Model 263
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Technical Description Model 263
1 /2Pages
Catalog excerpts
Indentation Hardness Tester acc. to Buchholz Model 263 Test Apparatus with Measuring Microscope testing equipment for quality management Technical Description and Operating Instructions DIN EN ISO 2815 VDA 621-415
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Ordering Information Testing Principle In the Buchholz indentation hardness test a test body of specified geometry acts for a prescribed time on the specimen using a defined test load. After a specified recovery time the length (l) of the resulting indentation is measured using the microscope. Based on this length of impression (l) in mm, it is possible to calculate: • Buchholz indentation hardness = 100/l (1) • depth of impression (pm, approx.) = 8 x l2 (2) Both variables are rounded up to whole numbers. The Buchholz impression hardness test is applicable whenever the following marginal conditions...
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