The present invention relates to a reel-to-reel plating line device and, more specifically, to a reel-to-reel plating line device which connects a metal bar to a plating treatment unit installed in a plating tank for use to directly transfer a current received from the outside to the plating treatment unit through the metal bar and supply a constant amount of the current while reducing loss of a current amount supplied from the plating treatment unit. According to the present invention, the reel-to-reel plating line device comprises: a plating treatment unit which is installed and fixed in a plating tank, is formed to allow a plating body to pass therethrough, and allows an electrolyte to flow thereinto to immerse the plating body; a pair of plating nets positioned in the plating treatment unit and inserted into spaces formed in the plating treatment unit; a plating material which is stored in the plating nets, and coats a surface of the plating body with metal; a metal bar which is installed and fixed on both sides of the plating nets, and transfers a current received from the outside to the plating nets; and an electric cable connected to the metal bar and connected to an external power source to transfer a current to the metal bar.;COPYRIGHT KIPO 2017
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