Patent ID: 11872759
Assignee: SODICK CO., LTD.
Field: Materials, metallurgy (Chemistry)
Classification: CPC B  G  Y | IPC B

Claim 10:
11. The lamination molding apparatus as claimed in claim 1, wherein the irradiation controller is configured to control the first galvano scanner, the second galvano scanner, the third galvano scanner, and the fourth galvano scanner, so that in the predetermined divided layer, a proportion of a first irradiation area of the first laser beam by the first galvano scanner with respect to an entire irradiation area, a proportion of a second irradiation area of the second laser beam by the second galvano scanner with respect to the entire irradiation area, a proportion of a third irradiation area of the third laser beam by the third galvano scanner with respect to the entire irradiation area, and a proportion of a fourth irradiation area of the fourth laser beam by the fourth galvano scanner with respect to the entire irradiation area are respectively from 20% to 30% inclusive.