| 摘要 |
PROBLEM TO BE SOLVED: To provide a powder material removing apparatus capable of properly judging whether an unnecessary powder material is completely removed from a three-dimensional shaped article. SOLUTION: A three-dimensional shaping system 1 is equipped with a powder removing apparatus which is equipped with an air blast part WS having an air blast drive part and a suction part WR having a suction drive part 75. Air sent to the three-dimensional shaped article 91, wherein a powder material is laminated on a shaping stage 62 to be shaped while a binder is selectively added to the powder material, from an air blast opening 70b by driving the air blast drive part 73 and the powder blown off by air blasting is sucked from a suction opening 70C. Herein, when the weight of the loaded article on a reticulated tray 9 including the three-dimensional shaped article 91 measured by a weight sensor 79 reaches a predetermined weight by removing the powder, powder removing operation is stopped. By this constitution, it can be properly judged whether the unnecessary powder material is completely removed from the three-dimensional shaped article.
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