Equipment and method for forming a front toothing on an inner ring of a wheel hub
AssigneeAktiebolaget Skf
InventorsLaura Sguotti, Davide Antonio Olivieri
Life of this patent
Estimating the term…
Abstract
Equipment and method in which a creator tool is pressed against an annular upset collar of an inner ring of a wheel hub and is provided towards the collar with a toothing complementary to the toothing to be obtained, formed by a plurality of radial teeth separated by respective radial spaces, all arranged radially in a circular crown, symmetrically with respect to a first axis (B) defining the axis of symmetry of the tool; wherein the creator tool is provided with an annular radial containment element configured to delimit a continuous wall which closes off respective radially outer ends of the radial spaces.
Claims16
A device for forming a front toothing on an inner ring of a wheel hub, the device comprising:
- a unitary creator tool, having an axis of symmetry (B), the unitary creator tool comprising:
- a solid central portion;
- a first complimentary toothing positioned annularly about the solid central portion and configured to form the front toothing of the inner ring, the first complimentary toothing comprising:
- a plurality of radially extending teeth, wherein each tooth of the plurality of radially extending teeth comprises a ridge at a top end of the tooth defining a rounded radial profile;
- and
- a plurality of radially extending spaces separating the plurality of radially extending teeth respectively, wherein the plurality of radially extending teeth and the plurality of radially extending spaces are arranged annularly about the axis of symmetry (B);
- and
- an annular radial containment element radially disposed on an outside of the plurality of radially extending teeth and configured to define a continuous wall, wherein the continuous wall closes a radially outer end of each of the plurality of radially extending spaces;
- wherein, at an axially outermost end of the unitary creator tool, an axially outermost end surface of the annular radial containment element extends axially beyond an axially outermost end surface of the solid central portion.
A device for forming a front toothing on an inner ring of a wheel hub, the device comprising:
- a unitary creator tool, having an axis of symmetry (B), the unitary creator tool comprising:
- a solid central portion, wherein the solid central portion comprises an axially external surface;
- a first complimentary toothing positioned annularly about the solid central portion and configured to form the front toothing of the inner ring, the first complimentary toothing comprising:
- a plurality of radially extending teeth, wherein each tooth of the plurality of radially extending teeth comprises a ridge at a top end of the tooth defining a rounded radial profile;
- and
- a plurality of radially extending spaces separating the plurality of radially extending teeth respectively, wherein the plurality of radially extending teeth and the plurality of radially extending spaces are arranged annularly about the axis of symmetry (B);
- and
- an annular radial containment element radially disposed on an outside of the plurality of radially extending teeth and configured to define a continuous wall, the continuous wall closing a radially outer end of each of the plurality of radially extending spaces, wherein the annular radial containment element comprises an axially external surface;
- wherein the axially external surface of the solid central portion is positioned in an axially inner position relative to the axially external surface of the radial containment element.
A device for forming a front toothing on an inner ring of a wheel hub, the device comprising:
- a unitary creator tool, having an axis of symmetry (B), the unitary creator tool comprising:
- a solid central portion, wherein the solid central portion comprises an axially outermost surface;
- a first complimentary toothing positioned annularly about the solid central portion and configured to form the front toothing of the inner ring, the first complimentary toothing comprising:
- a plurality of radially extending teeth, wherein each tooth of the plurality of radially extending teeth comprises a ridge at a top end of the tooth defining a rounded radial profile;
- and
- a plurality of radially extending spaces separating the plurality of radially extending teeth respectively, wherein the plurality of radially extending teeth and the plurality of radially extending spaces are arranged annularly about the axis of symmetry (B);
- and
- an annular radial containment element radially disposed on an outside of the plurality of radially extending teeth and configured to define a continuous wall, the continuous wall closing a radially outer end of each of the plurality of radially extending spaces, wherein the annular radial containment element comprises an axial surface;
- wherein the axially outermost surface of the solid central portion is in an axially inner position relative to the axial surface of the radial containment element.
Dependencies are inferred from the claim text.