Process and device for producing a three-dimensional object
First Claim
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1. A process for producing at least one three-dimensional object by solidifying a solidifyable material, comprising the steps of:
- providing an object carrier capable of carrying the object to be produced;
providing a material capable of solidifying when subjected to energy supply;
bringing a solidifyable material carrier/provider in a position to carry/provide solidifyable material at least in a building region where solidifyable material is to be solidified;
supplying, to the building region, energy capable of solidifying the solidifyable material; and
sensing, measuring and/or adjusting a condition selected from one or more of (i) pressure, (ii) strain (iii) contact pressure, (iv) fluid pressure and (v) material flowability in a status of said building region going to be formed or being located betweensaid object carrier or previously solidified material carried thereon, andsaid solidifyable material carrier/provider.
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Abstract
A process for producing at least one three-dimensional object by solidifying a solidifyable material, comprising the steps of:
- providing an object carrier capable of carrying the object to be produced;
- providing a material capable of solidifying when subjected to energy supply;
- bringing a solidifyable material carrier/provider in a position to carry/provide solidifyable material at least in a building region where solidifyable material is to be solidified;
- supplying, to the building region, energy capable of solidifying the solidifyable material; and
- sensing, measuring and/or controlling a condition selected from the group consisting of pressure and/or strain. Alternatively or in combination, contact pressure, fluid pressure and/or material flowability can be sensed and/or adjusted.
163 Citations
35 Claims
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1. A process for producing at least one three-dimensional object by solidifying a solidifyable material, comprising the steps of:
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providing an object carrier capable of carrying the object to be produced; providing a material capable of solidifying when subjected to energy supply; bringing a solidifyable material carrier/provider in a position to carry/provide solidifyable material at least in a building region where solidifyable material is to be solidified; supplying, to the building region, energy capable of solidifying the solidifyable material; and sensing, measuring and/or adjusting a condition selected from one or more of (i) pressure, (ii) strain (iii) contact pressure, (iv) fluid pressure and (v) material flowability in a status of said building region going to be formed or being located between said object carrier or previously solidified material carried thereon, and said solidifyable material carrier/provider. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A preparation process for preparing a production process of at least one three-dimensional object by solidifying a solidifyable material, said prepared production process being of a type comprising:
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providing an object carrier capable of carrying the object to be produced; bringing a solidifyable material carrier/provider in a position to provide solidifyable material at least in a building region where solidifyable material is to be solidified; and supplying, to the building region, energy capable of solidifying the solidifyable material; wherein said preparation process includes the step of; providing build data which, when executed, allow to produce the at least one three-dimensional object; and nominally setting process parameters on the basis of said build data, wherein said process parameters are nominally set, depending on at least one of; a structure of said at least one three-dimensional object to be produced; a presence or absence or a structure of an auxiliary support; type of solidifyable material and composition of solidifyable material; adhesion of solidifyable material to solidifayable material carrier/provider; and adhesion of solidifyable material to a previously solidified layer and/or cross-section and/or voxel matrix of previously solidified material; to control at least one of the following parameters; (a) moving distance between the object carrier and the building region, or between the object carrier and a surface of said solidifyable material carrier/provider, before providing energy for solidification; (b) pressure force of either the object carrier or the solidifyable material carrier/provider, respectively, towards the building region; (c) degree of insertion of object carrier, optionally having previously solidified material thereon, into solidifyable material provided; (d) separation force of either the object carrier or the solidifyable material carrier/provider, respectively, from the building region; (e) fluid pressure in or at the building region; (f) moving speed of said object carrier or said solidifyable material carrier/provider, respectively, in a direction towards or in a direction away from the building region; (g) tensile load of said solidifyable material carrier/provider; (h) coplanarity or tilt angle between a surface of said object carrier and a surface of said solidifyable material carrier/provider; and (i) rolling away or gliding away of the solidifyable material carrier/provider from a build area. - View Dependent Claims (11, 12, 13, 14, 15)
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16. A process for producing at least one three-dimensional object by solidifying a solidifyable material, comprising the steps of:
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providing an object carrier capable of carrying the object to be produced; providing a material capable of solidifying when subjected to energy supply; bringing a solidifyable material carrier/provider in a position to carry/provide solidifyable material at least in a building region where solidifyable material is to be solidified; supplying, to the building region, energy capable of solidifying the solidifyable material; wherein a contact pressure of said object carrier, or of solidified material formed thereon through previous solidification, towards a surface of said solidifyable material or said solidifyable material carrier/provider occurring in or at the building region is sensed and/or adjusted. - View Dependent Claims (17, 18, 19, 20, 21)
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22. A process for producing at least one three-dimensional object by solidifying a solidifyable material, comprising the steps of:
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providing an object carrier capable of carrying the object to be produced; providing a material capable of solidifying when subjected to proper amount of energy; bringing a solidifyable material carrier/provider in a position to carry/provide solidifyable material at least in a building region where solidifyable material is to be solidified; supplying, to the building region, energy capable of solidifying the solidifyable material; wherein a fluid pressure and/or a flowability of solidifyable material occurring in or at the building region or in or at the solidifyable material carrier/provider is sensed and/or adjusted. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29)
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30. A device for producing at least one three-dimensional object by solidifying a solidifyable material, comprising:
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a device for supply of energy to a building region, the energy supply device being capable of solidifying the solidifyable material; an object carrier capable of carrying the object to be produced; a solidifyable material carrier/provider being arranged to provide solidifyable material at least in the building region; and a sensor and/or a controller arranged to sense or measure and/or to adjust a condition selected from one or more of (i) pressure, (ii) strain (iii) contact pressure, (iv) fluid pressure and (v) material flowability at a location indicative for, or effective for the respective condition at the building region. - View Dependent Claims (31, 32, 33, 34, 35)
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Specification