MATERIAL TEST MACHINE
PROBLEM TO BE SOLVED: To provide a material test machine capable of conducting a material test applying alternating displacement (bending stress) to fatigue pre-crack provided in a test piece and observing the state of fatigue pre-crack easily even during test. SOLUTION: The test piece is held betwe...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a material test machine capable of conducting a material test applying alternating displacement (bending stress) to fatigue pre-crack provided in a test piece and observing the state of fatigue pre-crack easily even during test. SOLUTION: The test piece is held between a pair of test piece holding members provided in parallel across a predetermined interval. A pair of these test piece holding members are provided with bearing members held turnably centered on an axial line passing through a bending stress providing point of the test piece held between the test piece holding members, respectively. Moreover, this material test machine is provided with a link mechanism for turning the test piece holding members reversely in the interlocking relationship for each other and a drive mechanism for reciprocating and driving a pair of test piece holding members through the link mechanism in a predetermined turn scope, respectively. COPYRIGHT: (C)2003,JPO |
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