Kepco Nuclear Fuel Co., Ltd.

Kwang Ho Yun

Jong Sung Hong

Dong Kwang Shin

Byeong Eun Oh

Sang Jae Han

Wun Su Hong

Heui Seob Yang

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.

Laser welding apparatus for spacer grid of nuclear fuel assembly

A charging device of a welding fixture of spacer grid comprises a base frame; a conveyor for conveying a welding fixture horizontally over the base frame; and a gripper located over the base frame for gripping a welding fixture conveyed along the conveyor to charge a welding fixture into a welding chamber, wherein the gripper comprises a gripper body; and a gripping part installed horizontal to the end of the gripper body for gripping a welding fixture and capable of tilting in vertical direction to the gripper body in case more than a predetermined load is applied as a vertical load.

Charging device of a welding fixture of spacer grid

Growing community of inventors

Daejeon, South Korea

Kwang Ho Yun