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1. WO2020141099 - TRAY SYSTEM FOR A 3D-PRINTER

Note: Text based on automatic Optical Character Recognition processes. Please use the PDF version for legal matters

[ EN ]

CLAIMS

1. Tray system (10) for a 3D-printer comprising at least one tray (20) and a modular receiving system (30) having a modular receiving space (40), wherein the modular receiving space has multiple tray slots (50) for receiving the at least one tray.

2. Tray system (10) according to claim 1 further comprising a central material supply system wherein the central material supply system supplies material to each tray slot (50).

3. Tray system (10) according to claim 1 further comprising an individual material supply system for each tray slot (50).

4. Tray system (10) according to any of the preceding claims wherein a bottom or workpiece support (25) of each tray (20) is movable parallel to a build direction (A).

5. Tray system (10) according to any of the preceding claims wherein the modular receiving system comprises a conveying system (60), wherein the conveying system moves each of the least one tray between a build area and an extraction area.

6. Tray system (10) according to any of the preceding claims further comprising at least one material spreader per tray slot.

7. Tray system (10) according to any of claims 1 to 5, further comprising one material spreader for the modular receiving space.

8. Tray system (10) according to any of the preceding claims wherein the at least one tray (20) fits in one or more tray slot(s) (50).

9. Tray system (10) according to any of the preceding claims wherein each tray (20) comprises an identification system (70).

10. Tray system (10) according to any of the preceding claims further comprising a scanner (80) wherein the scanner is movable above the at least one tray (20) and scans the tray.

11.3D-printing method for multiple trays wherein a radiation source is subsequently moving over the multiple trays in a predetermined sequence.

12.3D-printing method according to claim 11 wherein the trays that are not irradiated by the radiation source are processed by at least one of the following steps: recoating, pre-heating, scanning or moving.