METHOD FOR OPERATING AN APPARATUS FOR ADDITIVELY MANUFACTURING OF THREE-DIMENSIONAL OBJECTS
Method for operating at least one apparatus ( 1 ) for additively manufacturing three-dimensional objects ( 2 ) by means of successive layerwise selective irradiation and consolidation of layers of a build material ( 3 ) which can be consolidated by means of an energy source, wherein slice data are provided relating to an application of build material ( 3 ) in at least one section of an object ( 2 ) to be built, wherein the slice data comprise at least one slice ( 14, 20 - 27, 31 - 35 ) relating to at least one corresponding layer of build material ( 3 ) to be applied, wherein a slice direction of at least one slice ( 14, 20 - 27, 31 - 35 ) at least partially extends in build direction ( 15 ).
1 . Method for operating at least one apparatus ( 1 ) for additively manufacturing three-dimensional objects ( 2 ) by means of successive layerwise selective irradiation and consolidation of layers of a build material ( 3 ) which can be consolidated by means of an energy source, wherein slice data are provided relating to an application of build material ( 3 ) in at least one section of an object ( 2 ) to be built, wherein the slice data comprise at least one slice ( 14 , 20 - 27 , 31 - 35 ) relating to at least one corresponding layer of build material ( 3 ) to be applied, characterized in that a slice direction of at least one slice ( 14 , 20 - 27 , 31 - 35 ) at least partially extends in build direction ( 15 ).
2 . Method according to claim 1 , characterized in that the slice direction defines an angle ( 16 ), in particular deviant from 0°, between an object surface, in particular an object bottom surface, and/or a build plane and the at least one slice ( 14 , 20 - 27 , 31 - 35 ).
3 . Method according to claim 1 , characterized in that the at least one slice direction defines an angle ( 16 ), in particular deviant from 0°, between an object surface and/or a build plane and at least one slice ( 14 , 20 - 27 , 31 - 35 ) or slice ( 14 , 20 - 27 , 31 - 35 ) portion ( 28 , 29 ) and at least one preceding and/or succeeding slice ( 14 , 20 - 27 , 31 - 35 ) or slice ( 14 , 20 - 27 , 31 - 35 ) portion ( 28 , 29 ) comprises a slice direction defining another angle ( 16 ), in particular essentially 0° between an object surface and/or a build plane and at least one preceding and/or succeeding slice ( 14 , 20 - 27 , 31 - 35 ) or slice ( 14 , 20 - 27 , 31 - 35 ) portion ( 28 , 29 ).
4 . Method according to claim 1 , characterized in that the at least one section of the object ( 2 ) is sliced spirally, in particular helically or conically.
5 . Method according to claim 1 , characterized in that the at least one section is sliced continuously or in at least one step.
6 . Method according to claim 1 , characterized in that at least one portion ( 28 , 29 ) of at least one slice ( 14 , 20 - 27 , 31 - 35 ) is defined dependent on at least one process parameter.
7 . Method according to claim 1 , characterized in that at least one portion ( 28 , 29 ) of at least one slice ( 14 , 20 - 27 , 31 - 35 ), in particular the slice direction of the at least one slice ( 14 , 20 - 27 , 31 - 35 ), is defined dependent on at least one irradiation parameter, in particular a layer thickness of build material ( 3 ) defined by the at least one slice ( 14 , 20 - 27 , 31 - 35 ), which layer of build material ( 3 ) is to be irradiated via a corresponding energy source.
8 . Method according to claim 1 , characterized in that the slice data comprise a number of first slices ( 14 , 20 - 27 , 31 - 35 ) corresponding to a first section ( 37 ) of the object ( 2 ) and at least a number of second slices ( 14 , 20 - 27 , 31 - 35 ) corresponding to at least a second section ( 38 ) of the object ( 2 ), wherein the number of first slices ( 14 , 20 - 27 , 31 - 35 ) and the number of second slices ( 14 , 20 - 27 , 31 - 35 ) differ.
9 . Method according to claim 1 , characterized in that the number of first slices ( 14 , 20 - 27 , 31 - 35 ) per object height and/or per unit length and the number of second slices ( 14 , 20 - 27 , 31 - 35 ) per object height and/or per unit length differ.
10 . Method for generating slice data for at least one object ( 2 ) to be manufactured with an apparatus ( 1 ) for additively manufacturing three-dimensional objects ( 2 ) by means of successive layerwise selective irradiation and consolidation of layers of a build material ( 3 ) which can be consolidated by means of an energy source, wherein slice data are provided relating to an application of build material ( 3 ) in at least one section of an object ( 2 ) to be built, wherein the slice data comprise at least one slice ( 14 , 20 - 27 , 31 - 35 ) relating to at least one corresponding layer of build material ( 3 ) to be applied, characterized in that a slice direction of at least one slice ( 14 , 20 - 27 , 31 - 35 ) at least partially extends in build direction.
11 . Method according to claim 1 , characterized by at least two slices ( 14 , 20 - 27 , 31 - 35 ) at least partially extending in build direction, wherein the at least two slices ( 14 , 20 - 27 , 31 - 35 ) are nested, in particular concentrically nested helices.
12 . Method according to claim 1 , characterized in that the initial points ( 43 ) of the at least two slices ( 14 , 20 - 27 , 31 - 35 ) are arranged in different positions, in particular in circumferential direction, with respect to a center ( 44 ) of the object ( 2 ), preferably arranged symmetrically.
13 . Slicing device for an apparatus ( 1 ) for additively manufacturing three-dimensional objects ( 2 ) by means of successive layerwise selective irradiation and consolidation of layers of a build material ( 3 ) which can be consolidated by means of an energy source, which slicing device is adapted to generate slice data relating to an application of build material ( 3 ) in at least one section of an object ( 2 ) to be built, wherein the slice data comprise at least one slice ( 14 , 20 - 27 , 31 - 35 ) relating to at least one corresponding layer of build material ( 3 ) to be applied, characterized in that the slicing device is adapted to generate at least one slice ( 14 , 20 - 27 , 31 - 35 ) with a slice direction at least partially extending in build direction.
14 . Slicing device according to claim 13 , characterized in that the slicing device is adapted to perform a method for operating at least one apparatus ( 1 ) for additively manufacturing three-dimensional objects ( 2 ) by means of successive layerwise selective irradiation and consolidation of layers of a build material ( 3 ) which can be consolidated by means of an energy source, wherein slice data are provided relating to an application of build material ( 3 ) in at least one section of an object ( 2 ) to be built, wherein the slice data comprise at least one slice ( 14 , 20 - 27 , 31 - 35 ) relating to at least one corresponding layer of build material ( 3 ) to be applied, characterized in that a slice direction of at least one slice ( 14 , 20 - 27 , 31 - 35 ) at least partially extends in build direction ( 15 ).
15 . Apparatus ( 1 ) for additively manufacturing three-dimensional objects ( 2 ) by means of successive layerwise selective irradiation and consolidation of layers of a build material ( 3 ) which can be consolidated by means of an energy source, wherein a slicing device is provided, in particular a slicing device according to claim 13 , that is adapted to generate slice data relating to an application of build material ( 3 ) in at least one section of an object ( 2 ) to be built, wherein the slice data comprise at least one slice ( 14 , 20 - 27 , 31 - 35 ) relating to at least one corresponding layer of build material ( 3 ) to be applied, characterized in that the slicing device is adapted to generate at least one slice ( 14 , 20 - 27 , 31 - 35 ) with a slice direction at least partially extending in build direction.