METHOD FOR CLINCHING THICK METAL WORKPIECES, USE OF THE CORRESPONDING CLINCH CONNECTIONS IN STEEL CONSTRUCTION, AS WELL AS CORRESPONDINGLY PRODUCED STEEL CONTRUCTION ELEMENTS

The invention relates to a method for the production of a load-bearing structural steel connection, wherein a clinching connection (13) is formed by means of a male die (20) and a female die (30) using local deformation, the connection connecting a first metal workpiece (6.1, 6.2) to a second metal...

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Bibliographische Detailangaben
Hauptverfasser:	SCHUETZ, RICHARD, MAUERMANN, REINHARD, KRAMPL, DAVID, MATHEISL, MICHAEL, NOVACEK, THOMAS, TROJER, ANDREAS, ISRAEL, MARKUS
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BLASTING 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 FORGE FURNACES FORGING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HAMMERING HEATING LIGHTING MECHANICAL ENGINEERING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PRESSING METAL PUNCHING METAL RIVETING THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	The invention relates to a method for the production of a load-bearing structural steel connection, wherein a clinching connection (13) is formed by means of a male die (20) and a female die (30) using local deformation, the connection connecting a first metal workpiece (6.1, 6.2) to a second metal workpiece (6.3, 6.4). For this purpose, the first metal workpiece (6.1, 6.2) and the second metal workpiece (6.3, 6.4) are first placed on top of each other on a processing surface of the female die and aligned. Subsequently the die of the male die is applied and lowered into the two metal workpieces (6.1, 6.2; 6.3, 6.4) placed on top of each other until the clinching connection (13) has been formed by plastic deformation. The first metal workpiece (6.1, 6.2) has a first workpiece thickness (tl), and the second metal workpiece (6.3, 6.4) has a second workpiece thickness (t2) that together result in a total workpiece thickness (tt), which is greater than 8 mm. The die is configured in a rotationally symmetrical manner with regard to the rotational axis (24) thereof and has a conically shaped transitional region (21, 22) tapering at an angle (W, W1, W2) in the lowering direction of the die.