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Electroplating, a key surface treatment technique, involves the deposition of a thin metal or alloy layer onto another material through electrolysis. This method is indispensable in the surface treatment industry, delivering notable improvements in wear resistance, conductivity, reflectivity, and corrosion resistance, alongside enhanced aesthetics. A variety of electroplating processes, including copper, nickel, gold, palladium-nickel, tin-lead, silver, zinc, ABS, and zinc electroplating, are extensively employed in this sector.
The electroplating process relies on several essential components: a cathode (the substrate to be plated), an anode (either the plating metal or an insoluble material like precious metals), a solution containing metal ions, a storage tank for the solution, and a rectifier supplying direct current (DC) power. Among these, the Electroplating Power Supply For Surface Treatment plays a vital role, ensuring consistent and efficient electroplating results. Known for their energy-saving capabilities, high output stability, and adjustable output waveforms, these rectifiers are pivotal in the surface treatment industry.
Electroplating has a broad range of applications across various industries, particularly the automotive sector, where it is valued for both functional enhancements and aesthetic improvements. This technique is also widely applied in the treatment of ABS materials, increasing their durability and visual appeal. Other notable uses include PCB electroplating and the deposition of metals like copper, nickel, and zinc. The integration of Electroplating Power Supply For Surface Treatment further enhances the precision and efficiency of these processes, solidifying their importance within the surface treatment industry.
» Product Applications
The Plating Rectifier Equipment series is widely used for various surface treatments, including PCB electroplating, hard chrome coating, and plating with copper, nickel, zinc, gold, and silver. Additionally, these rectifiers are valued for their versatility, precision, and energy efficiency, making them essential in industries like electronics, automotive, and aerospace. For example, they enhance conductivity in PCBs, improve wear resistance in hard chrome coatings, and prevent rust in zinc-plated hardware. Overall, their reliability and cost-effectiveness make them a preferred choice for diverse electroplating applications.
1.Field application diagram：
2.Industry application examples:
» Technology Advantages
Modular parallel connection
Optional N+1 redundant backup
Capable of online hot maintenance
RS485 digital control function
Low-voltage MOS tube rectification
High power factor, high efficiency
Reasonable structural design
Effective sealed isolation
No water joint design inside the unit
Practical and effective multiple protection system
Full soft switch technology
High reliability
Low noise, high protection level
» Role of electroplating
› Enhance Wear Resistance, Conductivity, and Reflectivity:
Electroplating deposits a thin layer of harder or more conductive material onto an object, significantly improving wear resistance to withstand friction and abrasion. It also enhances conductivity, especially in electronic components, by providing a smoother, uniform surface for current flow. Metals like silver and chromium boost reflectivity, making electroplated surfaces ideal for mirrors, reflectors, and optical applications.
› Improve Corrosion Resistance and Enhance Aesthetics:
Electroplating creates a protective barrier against moisture, oxygen, and chemicals, extending an object’s lifespan by preventing corrosion. Additionally, it adds decorative finishes, enhancing aesthetic appeal. From shiny chrome on car bumpers to gold plating on jewelry, electroplating combines elegance with durability.
In summary, electroplating enhances both functional properties and appearance, ensuring improved performance and extended durability.
» Types of electroplating
› Copper Plating:
Purpose: Primarily used as a primer to enhance adhesion of subsequent plating layers and improve corrosion resistance.
Considerations: Copper is prone to oxidation, which forms copper oxide (copper green) that loses conductivity. Therefore, copper-plated products must undergo copper protection treatments.
› Nickel Plating:
Purpose: Used as a primer or for aesthetic purposes to enhance corrosion resistance and wear resistance. Chemical nickel plating is a modern process that offers wear resistance comparable to chrome plating.
Considerations: Note that many electronic products, such as DIN heads and N heads, no longer use nickel as a primer due to its magnetic properties, which can affect the electrical performance and passive intermodulation inside the device.
› Gold Plating:
Purpose: Improves conductive contact impedance and enhances signal transmission.
Considerations: Gold is highly stable but also the most expensive option.
› Palladium-Nickel Plating:
Purpose: Improves conductive contact impedance and enhances signal transmission. Offers better wear resistance than gold.
Advantages: Combines the benefits of palladium’s corrosion resistance and nickel’s hardness.
› Tin-Lead Plating:
Purpose: Improves soldering ability.
Considerations: Due to concerns about lead content, tin-lead plating is being phased out and replaced by alternatives such as bright tin and mist tin plating.
› Silver Plating:
Purpose: Improves conductive contact impedance and enhances signal transmission.
Advantages: Silver offers the best electrical conductivity among these metals and is relatively resistant to oxidation, maintaining conductivity even after oxidation.
Considerations: While silver’s performance is excellent, its cost and tendency to tarnish over time should be considered.
the choice of plating type depends on the specific requirements of the application, including corrosion resistance, wear resistance, electrical conductivity, cost, and environmental considerations.
» Elements of Electroplating
› Cathode: The plated object, specifically referring to various connector terminals or other metallic surfaces that are intended to receive the electroplated coating. The cathode serves as the surface where the desired metal ions are reduced and deposited as a solid layer.
› Anode: Depending on the type of electroplating process, the anode can be either soluble or insoluble.
› Soluble anode: This is the metal that is to be plated onto the cathode. During the electroplating process, metal ions from the anode dissolve into the plating solution and are then plated onto the cathode.
› Insoluble anode: In some cases, especially when using precious metals like white gold or iridium oxide, an insoluble anode may be used. This anode does not dissolve during the process but serves as a source of electrons for the reduction reaction that occurs at the cathode.
› Plating Solution: This is a solution that contains ions of the metal that is to be plated onto the cathode. The composition and concentration of the plating solution are crucial for achieving the desired plating properties, such as thickness, adhesion, and appearance.
› Plating Tank: The tank that holds and stores the plating solution during the electroplating process. The tank must be able to withstand the corrosive effects of the plating solution and maintain a constant temperature to ensure consistent plating results. Strength, corrosion resistance, temperature resistance, and chemical compatibility are key considerations in selecting the material for the plating tank.
› Rectifier: The equipment that provides the direct current (DC) power supply for the electroplating process.The rectifier converts alternating current (AC) from the main power supply into DC, which drives the electroplating reaction. Operators can adjust the rectifier’s voltage and current output to control the deposition rate and the thickness of the plated layer.
Additionally, the electroplating process may involve other elements, such as filters to remove impurities from the plating solution, heaters to maintain a constant temperature, and stirrers to ensure uniform mixing.
» Component Part for Electroplating
» Cooling Type for Electroplating
Air Cooling:Heat dissipation fan + air duct + comb heat sink
Water Cooling：Built-in water circulation line
» Technical Parameters
| Characteristic Types | Parameter Items | Technical Requirements |
| Power Types | Power types | High-frequency Power Supply |
| Model and specifications | HIFBP-700A/500V | |
| Cooling mode | Air-cooled | |
| Switch tube type | IGBT | |
| Input Characteristics | Rated Input Voltage | Three-phase, AC380V±10% ,50~60HZ |
| Rated Input Power | 37.4KVA | |
| Rated Input Current | AC 56.9A | |
| Input Power Factor | COSΦ≥0.95 | |
| Output Characteristics | Output Voltage | DC 0～500V |
| Output Current | DC 0～700A | |
| Stabilized Current Precision | ≤1%（Rated Current) | |
| According to accuracy | 10A，0.01V | |
| Rated output efficiency | ≥94% | |
| Environmental Conditions | Installation site | Indoor installations |
| Altitude | ≤1500 meters | |
| Ambient temperature | -20℃～40℃ | |
| Relative humidity | ≤90％ | |
| Control Mode | Operating Mode | PLC, ADDA, Ethernet, RS485 and RS232 |
» Solution
Liyuan will keep up with the world’s latest technology closely, and uphold the concept of providing customers with high-quality power supplies and professional integrated services.
With advanced design and rich experience in rectifier manufacturing, we will provide the best power solutions as well as the most stable and efficient power supply for users both at home and abroad.
» Technical Capability
LIYUAN rectifier is the most competitive brand in China
Company relies on strong technology research and development cooperation basis, created a number of advanced technology, in recent 3 years amounted to more than 30 to apply for a patent, which has nearly 10 patents of invention.
Equipped with the national electric power transformation and control engineering technology research center (branch), and has set up a loan enterprise academician workstation.
Strict implementation of ISO quality management system, and through the CE safety certification, has been implementing ERP management for many years, to achieve the network, systematic computer control, the formation of a standard, efficient modern management system.
» Qualification certification
Liyuan adhere to innovation and the continuous improvement of power conversion efficiency and product quality.
The increasing R&D investment every year, and cooperation with China’s well-known universities, we has established the research center of national electric power conversion and control engineering technology.
Especially the related core patents of high-power synchronous rectifier power supply, stay ahead of the whole industry in China.
The ISO 9001 quality management system has been fully implemented in Liyuan, including quality inspection of components in warehouse, production process inspection, and final product inspection.
We adopt advanced scientific quality management system and the most stringent testing methods in the whole process to ensure the stability and reliability of products.
» Service
› Packing
1.Small size rectifier packing in carton box separately.
2.Large size rectifier will be packed in wooden case.
3.We guarantee that all the packing is intact when it reaches its destination.
› Shipping
1.30-45 Days after payment.
2.Transport: DHL, FEDEX, UPS, Air shipping, Boat shipping
3.You may choose our shipping partner or your own partner.
› Maintenance
We are pleasant to share our theory and experience on equipment maintenance with users.
We are pleasant to interact with users to collect their tips and know-hows on equipment maintenance.
The module “Maintenance” here is intended to help users solve various problems they possibly encounter during equipment maintenance…
If you need other power electroplating rectifiers, we can custom design them according to customer requirements. Please contact us.
Are you looking for 500V/700A plasma plating rectifier? Liyuan Haina Group is one of the professional manufacturers and suppliers in this field. With over 27 years of focus on R&D, design, production, sales, and technical services for industrial rectifiers, we have already exported our products to the United States, Canada, Britain, Italy, Spain, South Africa, Russia, the UAE, Japan, South Korea, Malaysia, and other parts of the world. Equipped with a productive factory, we warmly welcome you to purchase our high-quality, Made-in-China products at competitive prices. We also offer customized services to meet your needs.
