Invention Application
- Patent Title: Method for Producing at Least One Solid-Body Layer in Accordance With Predetermined Geometry Data
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Application No.: US17604212Application Date: 2020-04-16
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Publication No.: US20220194004A1Publication Date: 2022-06-23
- Inventor: Hans Mathea
- Applicant: dp polar GmbH
- Applicant Address: DE Eggenstein-Leopoldshafen
- Assignee: dp polar GmbH
- Current Assignee: dp polar GmbH
- Current Assignee Address: DE Eggenstein-Leopoldshafen
- Priority: IN102019002809.0 20190417
- International Application: PCT/EP2020/060756 WO 20200416
- Main IPC: B29C64/277
- IPC: B29C64/277 ; B33Y10/00 ; B33Y50/02 ; B29C64/393 ; B29C64/241 ; B33Y30/00

Abstract:
In a method for producing a solid-body layer, an emitter array is provided. A support is rotationally positioned relative to the emitter array, about an axis of rotation, and material portions of a material that passes through the nozzles are applied to the support and solidified. The center point of the emitter farthest away from the axis of rotation has a first radial distance, and the emitter arranged closest to the axis of rotation has a second radial distance from the axis of rotation. A trigger signal is generated, which defines trigger points. A material dispensing signal is generated and temporarily stored, in each instance, for the individual emitters, as a function of geometry data and/or as a function of the position in which the emitter in question is arranged relative to the support, when the emitter is positioned at the corresponding trigger point. The emitters are controlled at the trigger points in such a manner that only those emitters in which the material dispensing signal is set dispense material. The angle between trigger points that are adjacent to one another corresponds to the angle that a first and a second radial line enclose between them. The first radial line runs from the axis of rotation to the intersection point between a first emitter column and a reference circle line that is concentric to the axis of rotation. The second radial line runs from the axis of rotation to the intersection point between a second emitter column and the reference circle line. The radius of the reference circle line is less than the sum of 90% of the first and 10% of the second distance. The radius is greater than the sum of 10% of the first and 90% of the second distance.
Public/Granted literature
- US12017412B2 Method for producing at least one solid-body layer in accordance with predetermined geometry data Public/Granted day:2024-06-25
Information query
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