Optimization of geometry of shaped body and manufacturing tools
AssigneeBASF SE
InventorsMarcelo Daniel Kaufman Rechulski, Miguel Angel Romero Valle, Stefan Lipp, Marco Oskar Kennema, Matthias Johannes Wagner
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Abstract
A computer-implemented method for designing at least one shaping tool, a computer-implemented method for designing a manufacturing process for manufacturing at least one shaped body, a shaping tool designing system for designing at least one shaped body and a manufacture-designing system for designing a manufacturing process for manufacturing at least one shaped body.
Claims22
A computer-implemented method for designing at least one shaping tool, wherein the shaping tool is one or more of a tableting tool and an extrusion die, the method comprising:
- i) retrieving, by using at least one interface, at least one set of shaping target criteria for the shaping tool;
- ii) defining, by using at least one geometry defining unit, at least one starting geometry for the shaping tool;
- iii) generating, by using at least one shaping parameter generating unit, a set of shaping parameters comprising at least one shape geometry parameter of the starting geometry, wherein the set of shaping parameters represent at least one property and/or behavior of the shaping tool when the shaping tool is used for shaping at least one object;
- iv) simulating, by using at least one simulation unit, a shaping process using the shaping tool by varying values of the set of shaping parameters and by comparing simulated shaping properties for these values with the set of shaping target criteria, thereby generating at least one shaping geometry with an adapted set of shaping parameters for which the shaping target criteria are fulfilled at least within predetermined tolerances, wherein the adapted set of shaping parameters refers to an adapted set of values of shaping parameters;
- and
- v) determining, by using at least one shaping tool geometry defining unit, at least one geometry of the at least one shaping tool from the adapted set of shaping parameters, wherein the geometry of the shaping tool is a three-dimensional form or shape of the shaping tool.
A computer-implemented method for designing a manufacturing process for manufacturing at least one shaped body, the method comprising:
- I) designing the shaped body by using a computer-implemented method for designing at least one shaped body, the method comprising:
- a) retrieving at least one set of target criteria for the shaped body;
- b) defining at least one seed geometry for the shaped body;
- c) generating a set of parameters comprising at least one geometry parameter of the seed geometry;
- d) simulating the shaped body by varying values of the set of parameters and by comparing simulated criteria for these values with the set of target criteria, thereby generating at least one adapted set of parameters for which the target criteria are fulfilled at least within predetermined tolerances;
- and
- e) determining at least one lead candidate geometry of the at least one shaped body from the adapted set of parameters;
- and
- II) designing at least one shaping tool for manufacturing the shaped body by the method according to any one of the preceding claims, wherein at least one negative geometry of the at least one lead candidate geometry determined in step I) is used as the starting geometry;
- III) prototyping the at least one shaping tool from at least one geometry of the shaping tool designed in step II), wherein at least one process is used, wherein the process is selected from the group consisting of:
- a rapid prototyping process, specifically an additive manufacturing process, more specifically one or more of a 3D printing process or an additive layer manufacturing process;
- a conventional prototyping process, e.g. a subtractive prototyping process;
- a spark erosion process.
A shaping tool designing system for designing at least one shaping tool, wherein the shaping tool is one or more of a tableting tool and an extrusion die, the shaping tool designing system comprising:
- u. at least one interface configured for retrieving at least one set of shaping target criteria for the shaping tool;
- v. at least one geometry defining unit configured for defining at least one starting geometry for the shaping tool;
- w. at least one shaping parameter generating unit configured for generating a set of shaping parameters comprising at least one shape geometry parameter of the starting geometry, wherein the set of shaping parameters represent at least one property and/or behavior of the shaping tool when the shaping tool is used for shaping at least one object;
- x. at least one simulation unit configured for simulating a shaping process using the shaping tool by varying values of the set of shaping parameters and by comparing simulated shaping properties for these values with the set of shaping target criteria, thereby generating at least one adapted set of shaping parameters for which the shaping target criteria are fulfilled at least within predetermined tolerances, wherein the adapted set of shaping parameters refers to an adapted set of values of shaping parameters;
- and
- y. at least one shaping tool geometry defining unit configured for determining at least one geometry of the at least one shaping tool from the adapted set of shaping parameters, wherein the geometry of the shaping tool is a three-dimensional form or shape of the shaping tool.
A manufacture-designing system for designing a manufacturing process for manufacturing at least one shaped body, the manufacture-designing system comprising the shaping tool designing system according to any one of the two preceding claims, the manufacture-designing system further comprising a designing system for designing at least one shaped body, the designing system comprising:
- A. at least one interface configured for retrieving at least one set of target criteria for the shaped body;
- B. at least one geometry defining unit configured for defining at least one seed geometry for the shaped body;
- C. at least one parameter generating unit configured for generating a set of parameters comprising at least one geometry parameter of the seed geometry;
- D. at least one simulation unit configured for simulating the shaped body by varying values of the set of parameters and by comparing simulated criteria for these values with the set of target criteria, thereby generating at least one adapted set of parameters for which the target criteria are fulfilled at least within predetermined tolerances;
- and
- E. at least one lead candidate geometry defining unit configured for determining at least one lead candidate geometry of the at least one shaped body from the adapted set of parameters.
Dependencies are inferred from the claim text.