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Multi-wire plating line at various levels

A metal wire and plating technology, applied in the direction of electrolysis process, electrolysis components, etc., can solve the problems of flexible plating production line and complicated processing.

Inactive Publication Date: 2014-08-20
NV BEKAERT SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the method described does not make existing plating lines more flexible
Furthermore, the unwinding operation and the winding operation of the elongated metal parts are carried out on the same side of the equipment, which makes the handling very complicated

Method used

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  • Multi-wire plating line at various levels
  • Multi-wire plating line at various levels
  • Multi-wire plating line at various levels

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0040] figure 1 It is shown how the multi-height scheme can be used to allow flexibility in the plating line.

[0041] The steel wire 100 is first guided through a plating tank 102 for copper plating and then through a rinse tank 104 . Both plating tank 102 and rinse tank 104 are located at ground level 106 .

[0042] The steel wire 100 is negatively charged and serves as a cathode. The plating tank 102 includes an electrolytic solution and metal ions of the metal to be plated onto the steel wire 100 . For example, the electrolyte can be copper citrate, copper amine, copper tartrate, copper sulfate, copper pyrophosphate, copper fluoroborate, or copper cyanide. The anode is formed by a soluble copper anode placed on a support plate. Cathode current density at 1 and 20A / dm 2 change between. The wire speed can be varied between 10m / min and 150m / min. Four, five or even more rinse tanks 104 may be arranged in series. The wires are cleaned by a wiper before entering each rin...

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PUM

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Abstract

A process of sequentially plating a plurality of elongated metal members (100, 200) in two or more plating cells (102, 110, 116, 126) comprises the following steps: a) guiding the plurality of elongated metal members (100, 200) at a first level in first direction through a first plating bath (102, 202); b) forcing the plurality of elongated metal members (100, 200) to make a 180 degree turn and to go to a second level different from the first level and guiding the plurality of elongated metal members (100, 200) in a second direction opposite to the first direction through a second plating bath (110, 214); c) forcing the plurality of elongated metal members (100, 200) again to make a 80 degree turn and to go to a third level different from the first level and different from the second level and guiding the plurality of elongated metal members (100, 200) in the first direction. By using various levels, space can be saved and flexibility can be built in existing plating lines.

Description

technical field [0001] The present invention relates to a method of sequentially plating a plurality of elongated metal parts and an apparatus for sequentially plating a plurality of elongated metal parts. Background technique [0002] Methods and apparatus for sequentially plating a plurality of elongate metal parts, such as steel wires, are known in the art. For example, in the manufacture of steel cords for tire reinforcement, standard practice is to first coat the steel wires with copper and then with zinc. The coating of copper and zinc is followed by a diffusion treatment to produce a brass coating on the wire. As another example, steel wires used in aquaculture nets are preferably coated with a copper-nickel alloy. The coating can be applied by copper plating and nickel plating followed by thermal diffusion treatment. [0003] These existing multi-wire devices have proven to be very good at providing wires with specific coating compositions and specific coating thi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D7/06C25D17/00C23C18/16
CPCC25D7/0607C25D17/00C23C18/1632
Inventor G·布伊塔特F·德维尔
Owner NV BEKAERT SA