FASTENING APPARATUS AND METHOD FOR DETERMINING QUALITY OF FASTENER

A fastening apparatus that is capable of rapidly performing the work of fastening a plurality of workpieces using a fastener made of a fiber-reinforced resin and that is capable of increasing the quality of the work of fastening the workpieces, and a fastener pass/fail determining method are provide...

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Bibliographische Detailangaben
Hauptverfasser:	HIRASAWA, Teruhiko, EGUCHI, Takeshi, KITOU, Takayuki, SATO, Hidenori
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BLASTING COMBINED OPERATIONS DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MACHINE TOOLS MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR OTHER WORKING OF METAL PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THERMAL INSULATION IN GENERAL TRANSPORTING UNIVERSAL MACHINE TOOLS WEAPONS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A fastening apparatus that is capable of rapidly performing the work of fastening a plurality of workpieces using a fastener made of a fiber-reinforced resin and that is capable of increasing the quality of the work of fastening the workpieces, and a fastener pass/fail determining method are provided. The fastening apparatus of the present invention comprises: a fastening device 1, 3 in which, by heating in a non-contacting state and then applying pressure while a shaft part 11b is inserted through the through holes W10, W20 of workpieces W1, W2, a second head part 11c is formed on the intermediate piece 110, and the intermediate piece serves as a fastener 11; and a determining device 5 that determines the pass/fail of the fastener 11. The fastening device 1, 3 comprises: a fastening die 15 that is capable of forming the second head part 11c; and a shaft-part pressure-applying device 9 that is capable of applying pressure to the fastening die 15. The determining device 5 calculates a load curve defined by the time and the load during which pressure is applied and determines whether an amount of change per unit of time in the load curve after a reference load has been exceeded is within a range of a first reference value that is set in advance.