Method for manufacturing joined body and quality management method for plate-shaped member
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United States of America Patent
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Jul 19, 2022
Grant Date -
Apr 16, 2020
app pub date -
Sep 9, 2019
filing date -
Oct 12, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
A method for manufacturing a joined body includes at least one first plate material, one second plate material, and a self-piercing rivet where a cylinder portion projects from a head. The method includes: a test step of plastically deforming the second plate material by a load in a plate thickness direction to measure physical value information of the second plate material; a setting step of setting a joining condition based on the physical value information by the test step; and a joining step of supporting a back surface of the second plate material having a front surface on which the first plate material is stacked with a die and driving the cylinder portion from the front surface side toward a concave portion provided in the die to join the first plate material and the second plate material together based on the joining condition set by the setting step.
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