| 摘要 |
A system for testing and measuring hole elongation or deformation in a test article. The system includes a frame, a bearing member, and a referencing arm. The frame has a receiving area adapted to receive a portion of a test article. The bearing member is positionable into a hole of the test article. The referencing arm is movably connected to the frame and is adapted to signal the location of a portion of the test article relative to the bearing member. A distance measuring device is wholely supported on the frame and arm to allow the test article to be tested to catastrophic failure without risk of damaging the measuring device.
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