Clinching method and tool therefor
A tool and riveting technology, applied in the field of tools for realizing the method, can solve the problems of uncontrollability, influence of rheological process, skew of guide rod, etc., and achieve the effect of easy control
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[0047] The tool according to the invention is shown in Figures 1 and 2, wherein the known machine tools are not used to rivet the sheet metal, and to connect the sheet metal with bolts, nuts, etc., especially without perforating the sheet metal, but instead With deep drawing, the material after deep drawing is obviously distorted.
[0048] This tool is, on the one hand, a machine-driven plunger 1 which is placed on top of the two metal sheets 2 and 3 to be joined, opposite the working hole 4 of the multi-component mold 5 . The plunger 1 and the mold 5 are placed in the machine tool during use, wherein, for riveting, the plunger 1 is pressed down after the metal plates 2 and 3 have been placed. During the working stroke pointing downwards, the metal sheets 2 and 3 are first deep-drawn into the working hole 4 and then flow radially outwards on the bottom surface 9 of the working hole 4 as the driving force of the plunger 1 increases. , wherein the extruded material is first dee...
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