Sheet metal system and manufacturing process joining incremental forming and direct metal deposition

Patent metadata

Field	Value
Publication number	US-10478897-B2
Application number	US-201715398164-A
Country	US
Kind code	B2
Filing date	Jan 4, 2017
Priority date	Jan 4, 2017
Publication date	Nov 19, 2019
Grant date	Nov 19, 2019

Abstract

A sheet metal system having incremental forming and direct metal deposition, includes a plate. A groove is created in the plate. A direct metal deposition tool is positioned within the groove. A material is deposited by the direct metal deposition tool onto a surface within the groove creating a rib.

First claim

What is claimed is:

1. A sheet metal system having incremental forming and direct metal deposition, including: a retractable and extendable incremental forming tool supported together with a direct metal deposition tool by a tool holding head;
a plate;
a groove created in the plate, in a first stage to a first groove depth;
the direct metal deposition tool temporarily positioned within the groove;
a material deposited by the direct metal deposition tool onto a surface within the groove creating a rib defining a first height rib extending through the first groove depth, the rib directly connected for an entire length of the first height rib to a vertical wall defined by the groove, the first height rib oriented transverse to the vertical wall;
the groove when modified in a second stage has a second groove depth greater than the first groove depth; and
an additional amount of the material deposited onto the first height rib after the second stage creates a second height rib extending through the second groove depth.

2. The sheet metal system having incremental forming and direct metal deposition of claim 1 , wherein the rib extends across an entire width of the groove transverse to a longitudinal axis of the groove.

3. The sheet metal system having incremental forming and direct metal deposition of claim 1 , wherein the material is deposited by the direct metal deposition tool onto an additional surface of the plate.

4. The sheet metal system having incremental forming and direct metal deposition of claim 1 , further including a movable machine portion movable toward and away from a table, the movable machine portion having:
a tool holding head whose movement is controlled by a computer operated machine; and
a retractable and extendable incremental forming tool supported by the tool holding head, the incremental forming tool adapted to depress the plate to create the groove.

5. The sheet metal system having incremental forming and direct metal deposition of claim 4 , wherein the direct metal deposition tool is supported by the tool holding head.

6. The sheet metal system having incremental forming and direct metal deposition of claim 1 , wherein the direct metal deposition tool defines a 3D printer head.

7. The sheet metal system having incremental forming and direct metal deposition of claim 1 , wherein a final height of the rib includes multiple layers of material individually and sequentially deposited by the direct metal deposition tool.

8. The sheet metal system having incremental forming and direct metal deposition of claim 7 , wherein the rib having the final height is repeated at multiple locations in the groove.

9. The sheet metal system having incremental forming and direct metal deposition of claim 1 , wherein the groove includes opposed groove walls integrally connected to and transversely extending from a groove bottom wall, the groove bottom wall having a convex shaped outer surface in a longitudinal direction of the groove.

10. The sheet metal system having incremental forming and direct metal deposition of claim 1 , wherein the groove includes:
a semi-spherical geometry having a semi-spherical shaped wall; and multiple ones of the ribs including intersecting first and second ribs integrally connected to the semi-spherical shaped wall and to a central connector.

11. The sheet metal system having incremental forming and direct metal deposition of claim 1 , wherein the groove is formed by the incremental forming tool as a depression below a planar surface defined by a first plate portion and a second plate portion defining the first groove depth, the incremental forming tool further depressed into the groove to deepen the groove thereby creating the second groove depth greater than the first groove depth.

12. The sheet metal system having incremental forming and direct metal deposition of claim 11 , wherein the groove at the first groove depth includes a first groove edge and an opposed second groove edge, and the groove at the second groove depth includes a third groove edge and an opposed fourth groove edge, and wherein the incremental forming tool creates an extended height rib connecting the third groove edge to the fourth groove edge.

Assignees

• Gm Global Tech Operations Llc

Inventors

• Tong Yiran

Classifications

• B22F10/25

  Direct deposition of metal particles, e.g. direct metal deposition [DMD] or laser engineered net shaping [LENS] · CPC title

• B21D31/005

  Incremental shaping or bending, e.g. stepwise moving a shaping tool along the surface of the workpiece (B21D22/14 takes precedence) · CPC title

• B33Y30/00

  Apparatus for additive manufacturing; Details thereof or accessories therefor · CPC title

• B33Y10/00

  Processes of additive manufacturing · CPC title

• B23K2101/006

  Vehicles · CPC title