Kepco Nuclear Fuel Co., Ltd.

Wun Su Hong

Jong Sung Hong

Byeong Eun Oh

Kwang Ho Yun

Dong Kwang Shin

Sang Jae Han

Kwang Seok Cha

Provided is a laser welding apparatus for spacer grid of nuclear fuel assembly comprising a base frame in which a chamber installment hole is formed horizontally to the center in a way that the hole penetrates the chamber and a guide rail is installed along the chamber installment hole; a welding chamber unit assembled with the base frame in guidance by the guide rail and equipped with an operable door in front and a glass window at the top to be airtight; a laser welding unit mounted on the base frame for radiating laser through the glass window to weld spacer grid in the welding chamber; and a locking member for fixing the welding chamber on the base frame.

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Daejeon, South Korea

Wun Su Hong