| 摘要 |
PURPOSE:To carry out an efficient plating of inner face of many tubes, by sending plating solution from one palting solution storage tank to the plural tubes to be treated by the common piping and at the same time, applying the plating and then, recovering treated plating solution in the above storage tank. CONSTITUTION:Warmed plating solution in the plating solution storage tank 1, is supplied to the plating solution distribution box 7 through the plating solution supply piping 6 and the solution circulation pump 8. The plating solution supplied to the box 7, is distributed to the plural tubes to be treated 9 set on the tube to be treated fitting stand 10 set the same time. The plating solution vomitted from the tube 9, is collected in the plating solution collecting box 14 and is returned to the tank 1 through the plating solution return piping 15. Plating thickness given on the inner face of the tube 9, is controlled by the monitor sample 2 thrown in the tank 1 and the treatment is finished when the sample 2 is reached aimed thickness. |
