Product Description

Electroplating, a surface treatment technique, is a process that deposits a thin layer of metal or alloy onto the surface of another metal or material through electrolysis. It serves multiple purposes within the surface treatment industry, significantly enhancing wear resistance, conductivity, reflectivity, and corrosion resistance, while also improving aesthetics. Various types of electroplating, such as copper, nickel, gold, palladium-nickel, tin-lead, silver, zinc, ABS, and chrome plating, are available and widely utilized within the surface treatment industry.

The electroplating process includes several key components: a cathode (the object to be plated), an anode (either the metal to be plated or an insoluble anode made of precious metals), a plating solution containing ions of the desired metal, a tank to store the solution, and a rectifier to provide direct current (DC) power. These components work together to ensure efficient and effective surface treatment through electroplating.

Electroplating rectifiers are known in the surface treatment industry for their energy-saving effects, high output stability, and easily adjustable output waveforms. These features make them ideal for various surface treatment applications.

Industries like the automobile industry widely use electroplating for both functional and aesthetic purposes. It is also common for ABS material surface treatment, enhancing durability and appearance. Applications of electroplating in the surface treatment industry include PCB electroplating and the plating of copper, nickel, and chromium, among others.

Product Applications

The Plating Rectifier Equipment series of electroplating rectifiers serves a wide range of surface treatment applications, including PCB electroplating, hard chrome coating, and plating with copper, nickel, zinc, gold, and silver, among other hardware surface treatments.

1.Field application diagram：

2.Industry application examples:

Technology Advantages

Characteristics of an electroplating rectifier:

› Excellent Energy-Saving Effect:

The rectifier is designed to operate efficiently, converting incoming AC power into DC power with minimal energy loss. This leads to significant savings in electricity consumption, which can be particularly beneficial for large-scale electroplating operations that require continuous power supply.

› High Output Stability:

The rectifier is capable of maintaining a constant and stable DC output voltage and current, even under varying load conditions. This ensures consistent and uniform plating thickness, which is crucial for achieving high-quality electroplating results.

› Flexible Output Waveform Modulation:

The output waveform of the rectifier can be easily modulated to suit different electroplating processes and requirements. This includes adjusting the pulse width, frequency, and duty cycle of the output waveform, which can optimize the plating efficiency and quality for specific applications.

› Ease of Waveform Modulation:

In addition to flexibility, the rectifier is also designed for ease of waveform modulation. Operators can quickly and accurately adjust the waveform parameters using intuitive controls or automated systems, allowing for precise control over the electroplating process.

Overall, these characteristics make the electroplating rectifier an essential tool for achieving high-quality, efficient, and energy-saving electroplating processes.

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 and enabling better friction and abrasion tolerance. It also enhances conductivity, especially in electronic components, by providing a smoother, more uniform surface for current flow. Metals like silver and chromium improve reflectivity, making electroplated surfaces ideal for mirrors, reflectors, and optical applications.

Improve Corrosion Resistance and Aesthetics: Electroplating creates a protective barrier between the base material and the environment, shielding it from moisture, oxygen, and chemicals, thus extending its lifespan. Additionally, it adds decorative finishes, enhancing aesthetic appeal. For example, shiny chrome on car bumpers or gold plating on jewelry adds elegance and sophistication.

Electroplating improves both functional properties and appearance, while also increasing 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 lead concerns, manufacturers are replacing tin-lead plating with alternatives like 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: Silver offers the best electrical conductivity among these metals and is relatively resistant to oxidation, maintaining conductivity even after oxidation.

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, typically various connector terminals or other metallic surfaces, receives the electroplated coating. The cathode acts as the surface where the desired metal ions reduce and deposit 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: When using precious metals like white gold or iridium oxide, an insoluble anode may be used. It does not dissolve but provides electrons for the reduction reaction 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 AC from the main power supply into DC to drive the electroplating reaction. Its voltage and current output can be adjusted to control deposition rate and plated layer thickness. Other elements, like filters, heaters, and stirrers, may also be used. Filters remove impurities, heaters maintain solution temperature, and stirrers 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 Switching Power Supply
	Model and specifications	TDFB-3500A/43V
	Cooling mode	Air-cooled
	Switch tube type	IGBT
	Rectifier type	Diode rectification
Input Characteristics	Rated Input Voltage	Three-phase,AC480V±10% ,60HZ
	Rated Input Power	176KVA
	Rated Input Current	212A
	Input Power Factor	COSΦ≥0.95
	Circuit breaker	3P-300A
Output Characteristics	Output Voltage	DC 0～43V
	Output Current	DC 0～3500A
	Stabilized Current Precision	≤1%（Rated Current)
	Stabilized Voltage Precision	≤1%
	According to accuracy	1A，0.1V
	Current ripple factor	≤3%（I≥50%Id）(Id: Rated Current)
	Rated Output	η≥90%
Environmental Conditions	Installation site	Indoor installations
	Altitude	≤2000m
	Ambient temperature	-20℃～40℃
	Relative humidity	≤90％
	Dust gas	No influence
Control Mode	Operating mode	Touch screen control
	Display mode	Digital display
	Accommodation mode	Digital Regulation
	Soft start	Yes
	Remote Communication	MODBUS（TCP/IP）
Power Unit	Power Unit	Using five 700A/43V power supply
Main Body Structure	Main body structure	Structure of vertical combined cabinet
Weight	Net weight	About 775KG
External Dimension	Height*Width*Depth	H1725mm×W983mm×D1200mm(The actual value is subject to the agreement)
Input Cable	Copper wire	3*95mm²+50mm²
Output Electrical Connections	Made of Cu	Made of Cu
Protection Characteristics	Self-protective function under the abnormalsituations such as over/Low-voltage, over-current, default phase，short circuit, overheating and so on
Other Characteristics	Insulation class	B level
	Protection class	P20
	Noise	≤75dB
	Operational State	Operational State Products can be continuously full-loadoperated

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 3500A 43V surface treatment 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 productivefactory, we warmly welcome you to purchase our high-quality, Made-in-China products at competitive prices or try our customized service.

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