Methods for use in material processing of a two-dimensional sheet like material
The disclosure relates to a method for material processing of a two-dimensional sheet like material. The method comprises: obtaining information related to a desired design of a three dimensional object; obtaining information related to material characteristics of the sheet like material; defining a primary surface and a secondary surface of the desired design; and defining a geometrical relationship between said primary surface and secondary surface, wherein the secondary surface is a reflection of the primary surface in a two dimensional plane, and wherein when said primary surface is concave said secondary surface is convex, or when said primary surface is convex said secondary surface is concave; and providing a digital instruction for a fully developed spreading and subsequent folding of a two dimensional sheet into the obtained desired design, wherein said digital instruction is based on the defined primary and secondary surfaces, respectively, and said obtained material characteristics.
1. A method performed by a computer device for use in material processing of a two-dimensional sheet material, the method comprising:
obtaining information related to a desired design of a three-dimensional object;
obtaining information related to material characteristics of the two-dimensional sheet material;
defining a primary surface and a secondary surface of the desired design of the three-dimensional object;
defining a geometrical relationship between said primary surface and secondary surface, wherein
the secondary surface is a reflection of the primary surface in a two-dimensional plane, and wherein
when said primary surface is concave said secondary surface is convex, or when said primary surface is convex said secondary surface is concave;
providing, or otherwise creating, a digital instruction for a fully developed spreading and subsequent folding of a two-dimensional sheet into the obtained desired design of the three-dimensional object, wherein said digital instruction is based on the defined primary and secondary surfaces, respectively, and said obtained material characteristics; and
transmitting said digital instruction to an industrial robot for the spreading and subsequent folding of the two-dimensional sheet by means of the industrial robot.
2. The method of claim 1 , wherein the computer device is integral with the industrial robot.
3. The method of claim 1 , wherein the industrial robot is separate and distinct from the computer device and is located remotely from the computer device.
4. The method of claim 1 , wherein said folding is performed by folding along a curve of the two-dimensional sheet, wherein said curve is defined over a two-dimensional plane.
5. The method of claim 4 , wherein where said two-dimensional plane crosses a single folded surface an intersection is created, and wherein the secondary surface is a reflection of the surface under said two-dimensional plane and is reflected through said two-dimensional plane.
6. The method of claim 1 , wherein said material characteristics are any one or a combination of thickness, type of material, hardness toughness, tensile strength, yield strength, elongation, fatigue strength, corrosion, plasticity, malleability, creep and structure of the material and dimension of material, and wherein said material characteristics define boundary conditions for said folding of said two-dimensional sheet.
7. The method of claim 1 , wherein said primary surface is the surface that controls the desired design of three-dimensional object.
8. The method of claim 4 , wherein said curve controls the desired design of three-dimensional object.
9. The method of claim 1 , wherein said desired design of three-dimensional object is further defined by an interface design based on a technical volume and ergonomic requirements of the three-dimensional object.
10. The method of claim 1 , wherein the folding is performed by said industrial robot through straight intersections of a curve fold.
11. The method of claim 10 , wherein said folding is performed such that at least one composite pair of a convex and concave surfaces is formed, thereby forming said desired design of the three-dimensional object.
12. The method of claim 1 , wherein said two-dimensional sheet material is any one of a metal or plastics material.
13. The method of claim 12 , wherein said metal material is any one of a steel, a stainless steel and an aluminum.
14. The method of claim 1 , wherein said material is a stainless steel having a yield strength in the range of 1100 to 1400 MPa and a thickness in the range of 1 to 1.50 mm, characterized in that said material is folded without prior tempering of said material.
15. A method performed by an industrial robot for material processing of a two-dimensional sheet material, the method comprising:
providing a two-dimensional sheet material;
obtaining a digital instruction for spreading and subsequent folding of the provided two-dimensional sheet material by means of the industrial robot, wherein obtaining the digital instruction for the spreading and subsequent folding of the provided two-dimensional sheet material comprises: receiving said digital instruction from a computer device; and
executing the obtained digital instruction to produce, or otherwise create, a desired design of a three-dimensional object from the provided two-dimensional sheet like material.
16. The method of claim 15 , wherein the computer device is integral with the industrial robot.
17. The method of claim 15 , wherein the industrial robot is separate and distinct from the computer device and is located remotely from the computer device.