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A joining component, for axial joining to a workpiece, comprises a base body composed of thermoplastic material and including a holding section and a flange section, with a joining surface including both a portion of the flange section and a metal section which can be heated inductively. The metal s

A joining component, for axial joining to a workpiece, comprises a base body composed of thermoplastic material and including a holding section and a flange section, with a joining surface including both a portion of the flange section and a metal section which can be heated inductively. The metal section is in this case integrated in the flange section.

대표청구항 ▼

1. A joining component for axial joining to a workpiece, the joining component comprising a base body composed of a thermoplastic material and including a holding section and a flange section, and the flange section includes an underside opposite to the holding section, and the joining component fur

1. A joining component for axial joining to a workpiece, the joining component comprising a base body composed of a thermoplastic material and including a holding section and a flange section, and the flange section includes an underside opposite to the holding section, and the joining component further includes an inductively heatable metal section joined to and exposed on the underside of the flange, and the metal section defines a radially inward axial aperture and includes an exposed metal surface facing away from the holding section, and the flange further includes a rim radially outward of and radially surrounding the metal section and extending axially to the metal surface, and an axially lower face of the rim and the exposed metal surface of the metal section comprise a joining surface, and the flange section within the axial aperture of the metal section is axially recessed by an offset depth with respect to the joining surface. 2. The joining component according to claim 1, characterized in that the offset depth is smaller than an axial thickness of the flange section. 3. The joining component according to claim 1, characterized in that the offset depth is smaller than an axial thickness of the metal section. 4. The joining component according to claim 1, characterized in that the holding section has a shaft section which is connected to the flange section, with an external diameter of the shaft section being less than a diameter of the aperture. 5. The joining component according to claim 1, characterized in that the metal section has at least one axial hole. 6. The joining component according to claim 5, characterized in that the metal section has a plurality of axial through-holes. 7. The joining component according to claim 6, characterized in that at least two through-holes are arranged offset with respect to one another in the radial direction, with a radially outer hole being larger than a radially inner hole. 8. The joining component according to claim 6, characterized in that at least two through-holes are arranged offset with respect to one another in the radial direction, with a radial distance between the outer holes being less than a radial distance between the inner holes. 9. The joining component according to claim 6, characterized in that the least one through-hole includes a stamping burr projecting into the flange section. 10. The joining component according to claim 1, characterized in that the metal section includes an anticorrosion coating. 11. The joining component according to claim 1, characterized in that the flange section has at least one axial projection on an outer surface opposite the joining surface, and the area of the axial projection is very much smaller than the outer surface. 12. The joining component according to claim 11, characterized in that the joining surface is formed on a side of the flange section pointing towards the holding section, with the flange section preferably having a holding projection on a side pointing away from the holding section. 13. The joining component according to claim 1, characterized in that the ratio of an axial thickness of the metal section to an axial thickness of the flange section is in the range from 1:2 to 1:10. 14. The joining component according to claim 1, characterized in that the metal section is ferromagnetic. 15. The joining component according to claim 1, characterized in that the ratio of an axial thickness of the metal section to an axial thickness of the flange section is in the range from 1:3 to 1:6. 16. A joining component for joining to a workpiece, the joining component comprising: a base body composed of a thermoplastic material and including: a holding section formed as a cylindrical shaft including a first end and defining a first diameter;a flange section formed unitary with the holding section at the first end of the holding section, the flange section including a first side and a second side and the holding section projects axially from the first side, and the flange section defines a second diameter larger than the first diameter;a metal section, the metal section being inductively heatable and having an inner side joined to the flange section and an exposed outer side facing away from the flange section, the metal section also defining an axial through aperture, and radially within the aperture a first surface of the second side of the flange section is axially recessed by an offset depth with respect to the outer side of the metal section; andwherein a joining surface includes the outer side of the metal section and a second surface of the second side of the flange section radially outward of the metal section. 17. The joining component according to claim 16, wherein the offset depth is smaller than an axial thickness of the flange section. 18. The joining component according to claim 16, wherein the offset depth is smaller than an axial thickness of the metal section. 19. The joining component according to claim 16, wherein the ratio of an axial thickness of the metal section to an axial thickness of the flange section is in the range from 1:2 to 1:10.