| 摘要 |
<p>A device and method for cladding an inner surface of a small nozzle and a connecting structure of the small nozzle are provided to minimize the welding between the small nozzle and a pressure vessel. A device for cladding an inner surface of a small nozzle comprises: a saddle plate(32); a base plate(30) fixed to the saddle plate; a column(28) horizontally controlled to the base plate; a table(50) installed on a top surface of the column to be rotatable; a sliding unit including X, Y and Z sliders(21,22 and 23); a welding head(24) installed at the Z slider to be transferred to the third axis direction by sliding; and a welding torch(25) possible to rotate, installed at the welding head.</p> |
