Title:
ARITHMETIC DEVICE, DETECTION SYSTEM, MODELING APPARATUS, ARITHMETIC METHOD, DETECTION METHOD, MODELING METHOD, ARITHMETIC PROGRAM, DETECTION PROGRAM, AND MODELING PROGRAM
Document Type and Number:
WIPO Patent Application WO/2019/239530
Kind Code:
A1
Abstract:
Provided is an arithmetic device that is used in a modeling apparatus that models a three-dimensional structure from a solidified layer modeled by heating a powder material by irradiation with energy rays, the arithmetic device comprising: a detection unit that determines the state of at least a portion of a predetermined region that includes a melted part in which the powder material is melted by heating by irradiation with energy rays; and an output unit that outputs state information on the basis of the state determined by the detection unit in order to change a modeling condition of the modeling apparatus.
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Inventors:
TAKESHITA KOKI (JP)
Application Number:
PCT/JP2018/022621
Publication Date:
December 19, 2019
Filing Date:
June 13, 2018
Export Citation:
Assignee:
NIKON CORP (JP)
TECH RES ASSOCIATION FUTURE ADDITIVE MANUFACTURING (JP)
TECH RES ASSOCIATION FUTURE ADDITIVE MANUFACTURING (JP)
International Classes:
B29C64/393; B22F3/105; B22F3/16; B33Y10/00; B33Y30/00; B33Y50/02
Domestic Patent References:
| WO2017163432A1 | 2017-09-28 | |||
| WO2018043349A1 | 2018-03-08 | |||
| WO2016143137A1 | 2016-09-15 |
Foreign References:
| US5460758A | 1995-10-24 | |||
| JP2006059014A | 2006-03-02 |
Other References:
See also references of EP 3808542A4
Attorney, Agent or Firm:
NAGAI, Fuyuki et al. (JP)
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