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The gantry-type electroplating line typically requires a wider but shorter footprint compared to continuous lines. Inaddition, it offers significantly greater flexibility for handling diverse plating tasks than continuous busbarelectroplating systems. Gantry-type plating line are all customized according to production target for copper oraluminum busbar with tin, nickel, silver and copper coating and flashing. The plating line is composed of functionaltanks, cranes with travel system, rectifiers, flying bars, heating & cooling devices and control system. The operatorcan program the plating time and sequence.
Comparison between continuous busbar plating and gantry type plating
| No. | Item | Continuous busbar plating line | Gantry-type plating line |
|---|---|---|---|
| 1 | Plating layer structure | One or two layers | Up to three layers |
| 2 | Thick plating | Repeat plating operation | One operation with long time |
| 3 | Al. tin plating | Two lines in most cases | One line |
| 4 | Short & curved busbar | Not suitable | Without problem |
| 5 | Long busbar | 3m+ busbar optional loading/unloading units | Limited to tank length |
| 6 | Plating quality | Smooth surface, compact coating thickness conformity | Hook indentation; +/-30% or more thickness variety |
| 7 | Operators | 3-4/line with low working load & low skill level | 6-10/line with high working load & high skill level |
| 8 | Productivity | High, especially for narrow busbar | 1/2-1/3 of the continuous line |
| 9 | Power consumption | Low | 120%-150% of the continuous line |
| 10 | Size | L: 28-50m, W:1.9m, H:2.2m | L:10-15m, W:5-8m, H:2.5-4m |
| 11 | Exhaust emission in-house | < 5% | >30% |
| 12 | Chemicals & anode | Less in tank & less consumption | Cheap in chemical price |
