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Patent Searching and Data


Title:
ADDITIVE MODELING DEVICE AND METHOD FOR CONTROLLING ADDITIVE MODELING DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/181727
Kind Code:
A1
Abstract:
The present invention is provided with: a powder supply device for supplying metal powder 2 onto a modeling surface 4; laser systems 30, 40 for causing the metal powder 2 to melt at predetermined positions of the metal powder 2 supplied to the modeling surface 4; first thermometers 36, 46 and a second thermometer 50 for measuring temperature changes in respective regions of the modeling surface 4; and a control device 70 for controlling the laser systems 30, 40, said control device 70 determining laser irradiation conditions for the next layer on the basis of temperature changes subsequent to irradiation of the modeling surface 4 with a beam. Accordingly, provided are an additive modeling device and a method for controlling the additive modeling device by which the overall modeling quality of a model can be made more uniform regardless of the shape of the model.

Inventors:
ONUMA ATSUHIKO (JP)
SAITOU NOBORU (JP)
KAWANAKA HIROTSUGU (JP)
YANG YINGJUAN (JP)
Application Number:
PCT/JP2020/034127
Publication Date:
September 16, 2021
Filing Date:
September 09, 2020
Export Citation:
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Assignee:
HITACHI LTD (JP)
International Classes:
B22F3/105; B22F3/16; B28B1/30; B29C64/153; B29C64/268; B29C64/393; B33Y10/00; B33Y30/00; B33Y50/02
Domestic Patent References:
WO2019239531A12019-12-19
Foreign References:
JP2018536092A2018-12-06
Attorney, Agent or Firm:
KAICHI IP (JP)
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