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

Claim 14:
15. The lamination molding apparatus as claimed in claim 1, further comprising:
a single chamber window, disposed on a top surface of the chamber,
the first laser beam scanned by the first galvano scanner, the second laser beam scanned by the second galvano scanner, the third laser beam scanned by the third galvano scanner, and the fourth laser beam scanned by the fourth galvano scanner are configured to pass through the single chamber window,
wherein a group including the first X-axis galvano mirror, the first Y-axis galvano mirror, the second X-axis galvano mirror and the second Y-axis galvano mirror and a group including the third X-axis galvano mirror, the third Y-axis galvano mirror, the fourth X-axis galvano mirror and the fourth Y-axis galvano mirror face each other, so that the first galvano scanner is closer the single chamber window than the first laser source, the second galvano scanner is closer the single chamber window than the second laser source, the third galvano scanner is closer the single chamber window than the third laser source, and the fourth galvano scanner is closer the single chamber window than the fourth laser source.