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US 2010/0167080 A1Published application
Integrated Die Trim And Method
AssigneeMagna International Inc.
InventorJerome Carson Smith
Life of this patent
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Abstract
A sheet metal component includes a three dimensionally shaped first surface, a three dimensionally shaped second surface opposite and extending substantially parallel to the first surface and an edge interconnecting and extending about the perimeter of the first and second shaped surfaced. The edge includes a sheared portion formed during a trimming operation and an indented portion formed during a forming operation prior to the trimming operation.
Claims30
A sheet metal component, comprising:
- a three dimensionally shaped first surface;
- a three dimensionally shaped second surface opposite to the first surface;
- and
- an edge interconnecting and extending about the perimeter of the first and second shaped surfaces, the edge including a sheared portion formed during a trimming operation and an indented portion formed during a forming operation prior to the trimming operation.
1 more element
A method of stamping a sheet metal component, comprising:
- forming a steel sheet in a stamping press to include an indentation extending from a first surface of the sheet toward a second opposite surface of the sheet and extending about a periphery of the first surface;
- and
- separating a first portion of the sheet from a second portion of the sheet in a trimming press, wherein the separating occurs by shearing through the remaining sheet material located at the indentation previously formed.
A method of stamping a sheet metal component, comprising:
- heating a steel sheet;
- forming the steel sheet in a stamping press to include a groove extending from a first surface of the sheet toward a second opposite surface of the sheet;
- quenching the sheet after forming;
- and
- separating a first portion from a second portion of the sheet in a trimming press, wherein the separating occurs along the groove previously formed.
2 more elements
Dependencies are inferred from the claim text.