Home > Products > Galvanizing > High Quality Rack Zinc, Zinc Iron, and Zinc Nickel Alloy Plating
High Quality Rack Zinc, Zinc Iron, and Zinc Nickel Alloy Plating
- 100 Unit / Units per Month
- Shanghai
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Product Details
Condition: | New | Place of Origin: | Jiangsu, China | Brand Name: | JSOURS |
Model Number: | OURS2015 | Voltage: | custom | Power(W): | custom |
Dimension(L*W*H): | custom | Weight: | custom | Certification: | custom |
Warranty: | 1 year | After-sales Service Provided: | Engineers available to service machinery overseas |
Product Description
High Quality Rack Zinc, Zinc Iron, and Zinc Nickel Alloy Plating
Rack plating is a process used for large, complex, or fragile parts. It is excellent for producing selective deposits. In this procedure, parts are hung on a "rack" that is then submersed in the plating solution. Metal hooks or bands are used to hold the parts in place as well as provide the necessary electrical contact. Because it is labor intensive, rack plating usually costs more than barrel plating.
Please keep in mind that the rack may produce an area that is discolored or bare where the part was hung. This is commonly referred to as a “rack mark” and should be taken into consideration when engineering the part. It is also very difficult to achieve uniform plating with this method due to the varying degrees of current densities across the surface of the rack. High degrees of uniformity require the use of auxiliary anodes or robbers which increases the complexity of the plating as well as the cost.
Plating Bath | Process | Time(min) | Temperature(℃) | Heating power |
1 | Load (auto chemical dosing) |
|
| |
2 | Chemical degreasing | 15-30 | 50-60 | 12kW |
3 | Rinse | 2-5 | Room temperature |
|
4 | Pickling(HCL &H2SO4) | 10-20 | Room temperature |
|
5 | Rinse | 2-5 | Room temperature |
|
6 | Electro Chemical degreasing | 3-5 | 50-60 | 12kW |
7 | Rinse | 2-5 | Room temperature |
|
8 | Pickling (HCL &H2SO4) | 1-2 | Room temperature |
|
9 | Rinse | 0.5-1 | Room temperature |
|
10 | Zinc1 | 20-60 | 25 | Cooling |
11 | Zinc2 | 20-60 | 25 | Cooling |
12 | Recycle | 2-5 | Room temperature |
|
13 | Rinse | 2-5 | Room temperature |
|
14 | Illumination in HNO3 | 1-2 | Room temperature |
|
15 | Rinse | 2-5 | Room temperature |
|
16 | Passivation
| 20-30sec | 30 | 9kW |
17 | Rinse | 2-5 | Room temperature |
|
18 | UnLoad |
|
|
|
| Hot Air dryer | 2sets |
| 6kW |
Contact Us
- Yangzhou Ours Machinery Co., Ltd.
- Contact nameJason Ding
- Phone0086-514-85161529
- AddressIndustrial Park, Xiaoji Town, Jiangdu District Yangzhou,Jiangsu
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