tech

Four major requirements for electroplating of screw fasteners

July. 08, 2024

Most screw fasteners require surface treatment. Surface treatment can notonly alter the appearance of screw fasteners, but also improve their rust and corrosion resistance. The quality of general electroplating is mainly measured by its corrosion resistance and appearance. Corrosion resistance refers to imitating the working environment of the product and setting it as experimental conditions. We often use a salt spray machine to test its corrosion resistance and conduct corrosion experiments on it. The quality of electroplated products is controlled from the following aspects:

Black nickel plating process flow

June. 06, 2024

Black nickel plating process flow I, Process flow 1. Degreasing → water rinse → rust removal activation → water rinse → hot water preheating → chemical pre plating of nickel phosphorus alloy → water rinse → chemical plating of black nickel → water rinse → post-treatment

Specific methods for pre-treatment of aluminum and aluminum alloys

May. 29, 2024

Organic solvent degreasing. Less severe oil stains can be soaked in solvents for a short period of time; Severe oil stains should be wiped with cotton yarn dipped in solvent or brushed with a bristle brush. Attention should be paid to safety during operation, and the remaining solvent should be properly stored after use.

Electroplating makes metal corrosion difficult

May. 21, 2024

Metal materials are damaged by the action of surrounding media, known as metal corrosion, which is the most common form of corrosion. The corrosion effects of different metals in different environmental conditions are different. Generally, the usage environment of products can be roughly divided into three types: indoor environment, outdoor environment, and marine climate environment.

Holes related to electroplating copper, electroplating lead tin (pure tin)

April. 23, 2024

Fortunately, acidic copper plating tanks have high cell efficiency, so hydrogen production in better tanks is a minor issue. It is necessary to avoid conditions that are likely to cause hydrogen generation, such as high current density and rectifier fluctuations leading to short-term large current density drift.

How much do you know about the difference between a car PCB board and a communication board?

April. 02, 2024

This article will elaborate on the differences between automotive PCB boards and communication boards from four aspects, and analyze their characteristics and application areas to help readers better understand these two types of boards. Automotive PCB boards and communication boards are two common types of circuit boards in the electronics industry. Although they may appear similar on the surface, they actually have certain differences in design, use, and performance. Automotive PCB boards are mainly used in automotive electronic products, with characteristics such as vibration resistance and high temperature resistance, suitable for harsh automotive environments; The communication board is mainly used for communication equipment, pursuing high-speed, high-frequency and other characteristics to meet different communication needs. This article will provide a detailed introduction to the differences between these two types of circuit boards, helping readers better understand their differences.

Characteristics and Transmission of Circular Electroplating Automatic Line

March. 25, 2024

The characteristic of the circular electroplating automatic line is that each process slot is in a load state during the production process, resulting in high efficiency. It is suitable for producing products with large batches and mature processes. However, the mechanical structure is complex, the investment is high, and it is difficult to change the process. Each hanging device on the circular automatic line is a rhythm, moving a certain distance, lifting at a fixed point, and the plated parts are carried forward in sequence. Therefore, the layout of the plating tank is completely arranged in a U-shaped arrangement according to the process flow design.

Hexavalent chromium and trivalent chromium passivation treatment

December. 21, 2023

Core tip: The passivation film can be divided into white passivation, light blue, rainbow passivation, golden yellow, black passivation, and military green passivation based on its appearance. The order of corrosion resistance of these passivation films is military green>black>rainbow color>golden yellow>light blue>white. Therefore, all mechanical parts used for corrosion resistance must undergo rainbow passivation.

Tin plating post-treatment: prevention and removal of oxide film on the surface of tin plating layer

November. 28, 2023

Strengthen solution maintenance. Prevent harmful organic and inorganic impurities from invading, reduce their co precipitation with tin, thereby ensuring the purity of tin in the coating and slowing down the rate of tin discoloration.

Zinc nickel alloy: a new type of excellent protective electroplating layer

November. 15, 2023

Core Tip: Electroplating is a method of using the principle of electrolysis to lay a layer of metal on a conductive body. There are many types of electroplating, and zinc nickel alloy is one of them. Zinc nickel alloy plating solution has weak acidic chloride type.

Hardware Electroplating Process: The Goal and Four Attention Points of Electroplating

November. 10, 2023

Hardware Electroplating Processing Factory Process Treatment Series: The purpose of electroplating zinc in electroplating processing is to prevent corrosion of steel objects, effectively improve the corrosion resistance and service life of steel, and also enhance the decorative beauty of the product. Steel will be weathered and rusted over time, and corroded by water or soil.

Solution to Bubbling Fault of Zinc Alloy Products

November. 07, 2023

Zinc alloy is widely used in bathroom, luggage, and footwear accessories due to its convenient molding, strong plasticity, low cost, and high processing efficiency. However, the foaming problem of zinc alloy (electroplating; spraying) has always troubled friends from hardware and electroplating factories.

Vacuum electroplating concept

October. 13, 2023

Vacuum electroplating mainly includes several types: vacuum evaporation plating, sputtering plating, and ion plating. They all deposit various metal and non-metallic thin films on the surface of plastic parts under vacuum conditions, such as distillation or sputtering. Through this method, very thin surface coatings can be obtained, which has the outstanding advantages of fast speed and good adhesion. However, the price is also high, and there are fewer types of metals that can be operated. They are generally used as functional coatings for high-end products, such as as as as internal shielding layers. There are two common electroplating processes for plastic products: water electroplating and vacuum ion plating.

5 Solutions for Poor Adhesion of Zinc Coatings

September. 19, 2023

There are many factors that cause poor adhesion of zincate zinc coating, but the following five situations are more common. (1) Excessive addition of additives. The brightness of the zincate zinc plating layer is slightly lower than that of the potassium chloride zinc plating layer. Some people believe that adding more brighteners can compensate. As a result, the coating not only fails to achieve the expected goal, but also has a serious impact on the adhesion of the coating. The solution is to dilute and adjust the composition of the solution; Usually, it is necessary to add less and more frequently.

The difference between direct and indirect freezing of chillers in the electroplating industry

August. 28, 2023

The difference between direct freezing and indirect freezing in electroplating industry chillers: The refrigeration principle of water-cooled direct freezing in the electroplating industry: The water from the bottom basin of the cooling tower is transported by a water pump to the condenser of the chiller for cooling, and then flows back to the cooling tower for spraying. When the water is cooled by a fan on the top of the cooling tower, it flows back to the bottom basin of the cooling tower, and the operation is repeated At the same time as the condenser dissipates heat, the refrigerant inside liquefies, and then flows into the evaporator inside the cold cannon for evaporation. During evaporation, heat is absorbed, which cools down the sulfuric acid in the cold cannon. The cooled sulfuric acid is transported to the electroplating tank through a water pump, and this is a cyclic process.

Concept and principle of pulse electroplating for circuit board perforation

August. 16, 2023

Pulse electroplating is widely defined as intermittent current electroplating. Intermittent current refers to the occurrence of forward current at one time and reverse current at another time. Since the 1950s, people have been engaged in research on pulse electroplating, as pulse current can refine the crystallization, high adhesion, and no pores of the coating, resulting in excellent physical and chemical properties of the coating.

Management of Electroplating Jigs

August. 02, 2023

Preface Jigs play a very important role in the production of electroplating, as they have a significant impact on the quality of electroplating. However, the quality, maintenance, and management of Jigs are often overlooked by people. For some professional electroplating processing enterprises, due to the wide variety of products and frequent changes in electroplating products, the use and management of on-site Jigs tools are chaotic, leading to the misplacement and disorderly placement of Jigs tools of different plating types, seriously affecting production progress.

Global Electroplating Market Size and Forecast

August. 01, 2023

Electroplating Market was valued at USD 12.78 Billion in 2018 and is projected to reach USD 15.97 Billion by 2026, growing at a CAGR of 2.84 % from 2019 to 2026.

Electroplating wastewater treatment - worry free chemical precipitation

July. 21, 2023

With the continuous development of productivity and social progress, various industries are advancing at an unprecedented high speed. However, the three waste materials generated in the production process pose a great threat to the social environment and human health.

Process Analysis: Automotive Electroplating Process Flow

July. 13, 2023

Process flow: loading → electrochemical degreasing → hot water washing → cold water washing → acid etching → water washing → activation → rolling galvanized iron alloy → empty tank to remove the liquid → cleaning → cleaning → roller barrel passivation → cleaning → light emitting → cleaning → passivation → hot sealing → drying → drying

Surfactants and Their Applications in Electroplating

July. 05, 2023

Surfactants are one of the important raw materials in the field of metal surface treatment and an indispensable component of the vast majority of electroplating additives. In the entire process of electroplating, it is almost always used, such as chemical degreasing before plating, acid pickling for rust removal, electrolytic degreasing, matrix activation for single metal and alloy electroplating in electroplating, additives for anti coating discoloration agent after plating, coating protective film, and even electroplating wastewater treatment. The wide range of applications benefits from the unique chemical structure of surfactants and the resulting special properties.

The difference between direct and indirect freezing of chillers in the electroplating industry

June. 15, 2023

The refrigeration principle of water-cooled direct freezing in the electroplating industry: The water from the bottom basin of the cooling tower is transported by a water pump to the condenser of the chiller for cooling, and then flows back to the cooling tower for spraying. When the water is cooled by a fan on the top of the cooling tower, it flows back to the bottom basin of the cooling tower, and the operation is repeated At the same time as the condenser dissipates heat, the refrigerant inside liquefies, and then flows into the evaporator inside the cold cannon for evaporation. During evaporation, heat is absorbed, which cools down the sulfuric acid in the cold cannon. The cooled sulfuric acid is transported to the electroplating tank through a water pump, and this is a cyclic process.

Six Precautions for Silver Plating on Aluminum

June. 01, 2023

Silver plating on aluminum and its alloys is much more difficult than silver plating on general copper parts, and the process is also relatively complex. The main reason is that the properties of aluminum and its alloys are different from other metals. Aluminum is a zwitterionic metal that reacts with both acids and alkalis. Improper pre-treatment can cause surface corrosion. Moreover, aluminum and its alloys are prone to producing oxide films in both air and solution. If this oxide film is not removed thoroughly, it will affect the adhesion of the coating.

Analyze the main processes and methods of metal oxidation treatment

May. 24, 2023

The oxidation treatment of metals is the formation of a protective oxide film on the metal surface by reacting with oxygen or oxidants to prevent metal corrosion. The oxidation methods include thermal oxidation, alkaline oxidation, acidic oxidation (for ferrous metals), chemical oxidation, anodic oxidation (for non-ferrous metals), etc. It is now described as follows:

What are the requirements for plastic electroplating on plastic parts

April. 19, 2023

The quality of plastic electroplating is mainly determined by the adhesion between the coating and the plastic substrate, as well as the distribution performance of the coating. To obtain good plastic electroplating parts, in addition to using excellent electroplating processes, it also largely depends on the quality of the plastic products themselves, especially for decorative electroplating parts that perform more prominently in this regard. If we do not consider the characteristics of the electroplating process and blindly design and process the molds for electroplating plastic products, as well as arbitrarily inject them into the mold, it will lead to inherent deficiencies in the plastic products. During the electroplating process, there will be numerous problems, resulting in a decrease in production efficiency, a decrease in qualification rate, and serious waste of materials and labor hours. This is not cost-effective, but it is often overlooked.

What should be paid attention to in chemical coarsening of ABS plastics

April. 12, 2023

To obtain valuable plastic electroplating coatings, coarsening is crucial in plastic electroplating. For ABS plastics, chemical roughening method is often used, which is to use a mixture of chromic acid and sulfuric acid as the roughening solution. This roughening solution dissolves the spherical particles of butadiene in ABS, forming a concave shaped micro rough surface, greatly increasing the surface area and enhancing the adhesion between the substrate and the coating.

Common methods of anti-corrosion electroplating process

March. 29, 2023

Electroplating processes commonly used in corrosion and protection include electroplating methods with applied current, deposition methods without or using internal current, or electroless plating, as well as direct chemical conversion of the surface of the substrate material.

Common functions and characteristics of electroplating water chillers

March. 22, 2023

Surface treatment water chillers - Electroplating water chillers are commonly known as freezers, refrigerators, ice coolers, water freezers, and chillers. Due to their wide use in various industries, their names are countless. The principle of its nature is a multifunctional machine that removes liquid vapor through a compression or heat absorption refrigeration cycle. The steam compression chiller consists of four main components: a steam compression refrigeration cycle compressor, an evaporator, and a condenser. The form of some metering devices thus realizes different refrigerants. Absorption chillers use water as a refrigerant and rely on the water and lithium bromide solution between them to achieve a strong affinity for refrigeration.

How to produce the yellow and fastest gold coating

March. 07, 2023

Condition description: 1. At present, the gold bath is often seriously polluted by nickel. The thick gold bath is changed into (gold-nickel-cobalt) alloy plating, and the thin gold bath is changed into (nickel-gold) alloy plating. The color of gold plating at high current is white, and the color of gold plating at low current is black and dark. Although the cure should be to improve the problem of nickel solution (blowing), and strengthen the washing ability, the production of thin gold is fast. After long-term use, it will face the problem of nickel pollution sooner or later.

Common methods of anti-corrosion electroplating process

February. 24, 2023

Different electroplating equipment and maintenance methods

January. 31, 2023

At present, with the continuous development of technology, modern electroplating equipment has become an indispensable part of the development of modern electroplating enterprises. If electroplating enterprises want to produce and process electroplating products on a large scale and in large quantities in a short time, they cannot do without modern electroplating equipment. In order to ensure the normal operation of electroplating equipment, it is necessary to carry out timely and effective repair and maintenance of electroplating equipment.

Common problems and solutions in nickel electroplating process

January. 13, 2023

1. Why do pits appear during nickel electroplating? Cause: pits are the result of organic pollution. Large pits usually indicate oil pollution. If the mixing is poor, the bubbles cannot be expelled, which will form pits. Solution: Wetting agent can be used to reduce its impact. We usually call small pits pinholes. Poor pretreatment, metal impurities, too little boric acid content, and too low bath temperature will cause pinholes. Therefore, bath maintenance and strict control process are the key.

Six Problems Existed in Barrel Plating Bath and Solutions

December. 29, 2022

Barrel plating is a common way of electroplating. Barrel plating undertakes most of the tasks of electroplating processing of small parts, accounting for about 50% of the entire electroplating processing, covering fasteners, stamping parts, plumbing parts, electronic components and other similar large batch plating parts. There are dozens of plating types of barrel plating, including zinc plating, copper, nickel, tin, chromium, gold, silver and alloy. Generally, barrel plating can be used as long as the plating process can be used for hanging plating. Therefore, barrel plating is widely used in electroplating enterprises, and its importance is almost equal to that of hanging plating. However, we will also encounter various problems in barrel plating. Today, we mainly talk about some problems and solutions in barrel plating solution.

Precise analysis of bath performance is helpful to improve coating quality

December. 23, 2022

Factors affecting the quality of electroplating coating - the performance of plating solution There are many kinds of coatings, and at the same time, there can be different types of plating solutions for depositing certain metals. Therefore, the composition of plating solutions for various plating types varies greatly, but the ideal plating solution should have the following properties:

Technical Application of Electroless Plating

December. 16, 2022

Non precious metal substrates such as aluminum or steel materials can be protected by electroless nickel plating technology, and can avoid improving their surface properties by using hard to machine individual rust steels. The relatively soft and non wear-resistant substrate can be given a hard and wear-resistant surface by electroless nickel plating. In many cases, electroless nickel plating has many advantages instead of hard chromium plating. Especially for internal coating and parts with complex shape, as well as hard chromium coating requiring post plating machining. Some substrates can be easily brazed or their surface properties can be improved by using electroless nickel plating.

Classification of electroplating process

December. 13, 2022

In terms of the relative arrangement and different operation modes of the plated parts, anodes, plating solution and plating bath, the most commonly used production equipment for electroplating is the fixed plating bath. However, various alternative methods have also been applied and developed. At present, various equipment are used for parts movement (such as swinging stirring, continuous plating wire and plate, automata, etc.), plating bath movement (such as barrel plating), plating solution movement (spraying, rapid plating, etc.), and anode movement (brush plating, etc.).

Quality control of electroplating process

December. 06, 2022

The quality characteristics of plated parts are affected by the work quality of all links in the whole process, such as the "low hydrogen brittleness" is affected by sub processes such as pickling, electroplating and hydrogen drive. Therefore, a quality control system shall be established for the whole process of material supply, pretreatment, electroplating, post-treatment and finished product inspection.

Some Views on Increasing the Production Capacity of Barrel Plating Line

November. 22, 2022

In barrel plating production, the shorter the plating time, the better. One way to achieve this goal is to try to reduce the impact of the mixing cycle of parts. However, factors such as driving beat time and process formulation also affect the improvement of production capacity.

Common methods of anti-corrosion electroplating process

November. 03, 2022

Generally, electroplating processes widely used in corrosion and protection include: electroplating methods with external current, deposition methods without external current or using internal current or electroless plating, and direct chemical conversion on the surface of the base material.

More than 70% of electroplating quality problems are related to degrease

October. 26, 2022

Degrease is an essential and important process in the electroplating process. Whether it is cleaning before or after plating, it will affect the quality of metal plating and chemical coating. In the actual production process, people often only pay attention to the change of the composition and parameters of the main electroplating bath, ignoring the cleaning. In fact, more than 70% of the quality problems are related to cleaning. If the degreasing is not clean, the coating will produce blistering, peeling, blooming and other defects; If it is not washed clean, the coating will form defects such as spots and stains.

Troubleshooting for electroplating of hardware

October. 12, 2022

Nowadays, the proportion of electroplating of sanitary ware in electroplating production is also growing. Bathroom parts usually use copper alloy, zinc alloy and aluminum alloy as the base materials, and have a certain electroplating production process. Various faults are often encountered in the electroplating production process. The author talks about some experiences about the failure of copper alloy sanitary ware.

How to correctly analyze and solve the mildew on the surface of plastic plated parts in summer

September. 27, 2022

In spring and summer, some electroplating plants often find some small white spots on the plated parts, which are difficult to wipe off, affecting the appearance of the products and even leading to scrapping. Although the electroplating process conditions are normal, it is difficult to avoid, even in large quantities. This is a special stain problem, commonly known as mildew spot.

Definition and classification of electroplating

August. 30, 2022

With the continuous subdivision of industrial production and the continuous emergence of new processes and new materials, the design effect applied in actual products is also changing with each passing day. Electroplating is a process that we often involve in design, and the electroplating effect is an effect that we use for a long time and the process is relatively mature. The application of this process has been very many in our products, We hope that by summarizing our existing experience and making some design reference documents, we can better apply the plating effect to our design and more reasonably apply it to our design, which can bring some convenience for future work. Through this process, we can usually get some metal color effects, such as high gloss, matte, etc., and match different effects to form the difference of product effects. Through this process, we can add a bright spot to the product design.

Pretreatment process - Introduction of ultrasonic cleaning principle

August. 12, 2022

Ultrasonic cleaning principle: the ultrasonic cleaning machine is used to amplify the electric power of the oscillating signal with a frequency higher than 20kHz through the ultrasonic generator, and then convert it into high-frequency mechanical vibration energy through the inverse piezoelectric effect of the ultrasonic transducer (vibrating head). Through the acoustic radiation in the cleaning medium, the cleaning liquid molecules vibrate and generate numerous tiny bubbles. The bubbles form and grow in the negative pressure area along the ultrasonic propagation direction, and close rapidly in the positive pressure area to generate the instantaneous high pressure of thousands of atmospheres and burst, forming numerous micro high pressure shock waves that act on the surface of the cleaned workpiece. This is the "cavitation effect" in ultrasonic cleaning.

Fault and treatment of bright nickel sulfate plating: poor brightness of nickel plating

August. 09, 2022

The poor brightness of the coating mostly occurs in the low current density area, and occasionally occurs in the medium current density area or the high current density area. The poor brightness of the coating in the low current density area may be caused by the high temperature of the plating solution, the low current density, the low concentration of the main salt, the excessive secondary brightener or the presence of copper and zinc impurities in the plating solution; The poor brightness of the coating in the middle current density area may be caused by too little secondary brightener, too much organic impurities or a certain amount of iron impurities; The poor brightness of the coating in the high current density area may be caused by too high pH value of the plating solution, too little primary brightener or a small amount of chromate, phosphate and lead impurities in the plating solution. In addition, poor pretreatment, alkali film or organic adsorption film on the surface of the plated part, or poor bottom plating may also lead to poor brightness of the nickel layer.

Decorative chromium plating fault and its treatment

August. 01, 2022

The brightness of chromium layer is poor and easy to burn; Why there are obvious cracks on the chromium layer; Chromium plating layer falls off; Chrome plated workpiece produces hanger shadow;

Application and development of electroplating in automobile industry

July. 15, 2022

In the maintenance of equipment and molds, the use of rapid electroplating technology for the partial repair of parts has its own uniqueness, convenient and flexible operation, saving maintenance costs, and obvious economic benefits.

Common quality problems and solutions of vacuum aluminum plating

July. 07, 2022

Vacuum aluminum plating is to heat and melt aluminum metal to evaporation under vacuum, and aluminum atoms condense on the surface of polymer materials to form an extremely thin aluminum layer. Vacuum aluminum plating requires that the surface of the substrate be smooth, flat and uniform in thickness; Stiffness and friction coefficient are appropriate

Working process of black hole treatment

July. 05, 2022

Black hole is one of the direct electroplating technologies. Its main principle is to use the physical principle to make the carbon powder adsorb on the hole wall surface to form a conductive layer, which can be used as the conductive lead for subsequent copper electroplating.

ABS plastic Electroplated Ni – W alloy

June. 30, 2022

Abstract: the technological process of Ni-W alloy electroplating on ABS plastics was introduced, which mainly includes: stress removal, , acid pickling, roughening, neutralization, primary reduction, pickling, sensitization, activation, secondary reduction, electroless copper plating, weak etching, thickening copper plating, Ni-W alloy electroplating and drying. The composition of Ni – W alloy electroplating solution is: nickel sulfate hexahydrate, sodium tungstate dihydrate, citric acid and ammonia (pH regulator). Under the condition that the total mass concentration of nickel sulfate hexahydrate and sodium tungstate dihydrate is 210g/l and the amount of citric acid is equal to the total amount of nickel sulfate and sodium tungstate dihydrate, the effects of the mass concentration ratio of nickel sulfate hexahydrate and sodium tungstate dihydrate, bath temperature, PH and current density on the microhardness, wear resistance, adhesion and surface morphology of the coating were discussed by orthogonal test. The optimum process conditions are as follows: nickel sulfate hexahydrate 60g/l, sodium tungstate dihydrate 150g/l, citric acid 130g/l, bath temperature 65 ° C, pH5, current density 20a/dm2, plating time 45min, nickel plate as anode, magnetic stirring. The coating obtained by this process has fine, smooth and glossy surface, high microhardness, good adhesion and excellent wear resistance.

Secrets between electroplating process and electroplating power supply

June. 28, 2022

Electroplating is an electrochemical machining process. The factors of power supply will have a direct impact on the electroplating process. Electroplating power supply plays an important role in the electroplating process. The application of electroplating power supply and low ripple coefficient rectifier power supply in electroplating industry helps colleagues in electroplating industry in selecting rectifier power supply, solving electroplating faults and improving electroplating quality.

Pretreatment before electroplating

June. 20, 2022

In the electroplating industry, there is often a saying that "there are defective products in electroplating production, half of which are not clean after degreasing". Numerous facts have proved that this statement is somewhat reasonable. Long term production practice has proved that if there are organic substances such as oil stains on the metal surface, sometimes the coating can be deposited, but the flatness, adhesion and corrosion resistance of the electrodeposited coating are always affected by the "interlayer" of oil stains, and even the deposition is discontinuous, loose, and even the coating is stripped off, so that the actual use value is lost. Therefore, degrease before plating becomes an important process operation.

Treatment of electroplating waste gas

June. 16, 2022

This paper analyzes the types and harmfulness of electroplating waste gas, and puts forward some specific measures to reduce, treat and purify electroplating waste gas. Clean electroplating production process should be actively adopted to reduce the production of electroplating waste gas from the source. Electroplating is not only a small but essential basic process industry in the national economy, but also a heavy pollution industry. The waste gas, wastewater and residue produced by electroplating seriously affect people's life and health. In recent years, in the southeast coast and the economically developed inland, the number of electroplating plants and points is increasing, and the scope of electroplating processing is expanding. There is no doubt that the amount of electroplating "three wastes" is also increasing, and the environmental pollution in the electroplating area is increasing. These waste gases will pollute human beings and the environment if no measures are taken to control them. Based on years of experience in electroplating process design, the author puts forward some suggestions and measures for electroplating waste gas treatment, which provide technical reference for electroplating industry waste gas control, and is of great significance to protect the ecological environment and control air pollution.

Nickel plating process for PCB

June. 13, 2022

Purpose and function: nickel plating layer is mainly used as the barrier layer between copper layer and gold layer to prevent the mutual diffusion of gold and copper and affect the weldability and service life of the board; At the same time, the nickel backing also greatly increases the mechanical strength of the gold layer

Common faults and solutions of chrome plating layer with grey color

June. 06, 2022

In the production of decorative chromium plating, it is often encountered that the chrome coating is grey without metallic luster, and the surface of the nickel coating below is normal after the chromium coating is removed.

Treatment of heavy metal pollution

May. 31, 2022

With the rapid development of global economy, pollutants containing heavy metals enter the soil through various ways, resulting in serious soil pollution. Soil heavy metal pollution can affect the decline of crop yield and quality, endanger human health through the food chain, and lead to the further deterioration of atmospheric and water environmental quality. Therefore, it has attracted extensive attention of countries all over the world. At present, there are different degrees of heavy metal pollution in the soil of various countries in the world. The average annual emission of Hg in the world is about 15000 tons, Cu is 3.4 million tons, Pb is 5million tons, Mn is 15 million tons and Ni is 1 million tons.

Why should flow rinsing be used for electroplating ？

May. 26, 2022

If stagnant water is used for cleaning, then the concentration of electroplating cleaning water will become higher and higher, which will not only fail to achieve the cleaning effect, but will make the workpiece more and more dirty.

Correct method of removing impurities by electrolysis

May. 26, 2022

Electrolytic treatment is a common method to remove impurities in electroplating industry. Electrolytic treatment is also an electroplating process, but it is not for the purpose of obtaining a good electroplating layer, but for the purpose of removing impurities (or adjusting the component content of the plating solution). The difference is that instead of hanging parts on the cathode, it is an electrolytic plate (also known as false cathode) made by hanging to remove impurities. Under the condition of power on, the impurities are deposited, clamped or reduced to relatively harmless substances on the cathode electrolytic plate. In a few cases, electrolytic removal of impurities is also carried out on the anode, so that some impurities that can be oxidized can reach the anode and be oxidized into gas or become relatively harmless substances when energized.

Electroplating wastewater treatment technology and process

May. 24, 2022

The main disadvantages of electroless nickel plating are: poor pretreatment, metal impurities, too little boric acid content and too low bath temperature will lead to pinholes in the nickel plating layer, and the bath maintenance and strict control process are the key. Solve the following "Nine" major faults and control the basic problems.

The latest surface treatment technology of silica gel and electroplating products

May. 20, 2022

Now consumers have higher and higher requirements for products. Products should not only have appearance (good-looking appearance), but also connotation (functionality) and environmental protection!

What is the problem of insufficient precipitation or incomplete precipitation during electroless plating?

May. 16, 2022

What is the problem of insufficient precipitation or incomplete precipitation during electroless plating? First, check the coarsening to see whether the product surface is fully wetted. If the coarsening is sufficient, check whether the activation has activity, find out the problems affecting sensitization and activation and eliminate them.

About zinc alloy electroplating

May. 05, 2022

Solid zinc alloy electroplating is no longer a new electroplating process. Zinc aluminum die casting is a kind of die casting parts with zinc as the main component.

Why the electroplating layer turns yellow in silver plating ?

April. 26, 2022

After silver plating, it is found that the coating is easy to change color, which is due to the corrosion and discoloration of the silver coating surface when encountering harmful gases such as H2S, SO2, C02, Cl2, etc. in the natural atmospheric environment.

Why is electroplating wastewater black ?

April. 21, 2022

Electroplating wastewater is the wastewater produced in our electroplating production.The sources of electroplating wastewater are generally cleaning water for plating parts, waste electroplating solution etc.

What are the reasons of slow electroplating ?

April. 18, 2022

Slow plating can generally be divided into two types, one is that the coating is bright and slow, and the other is that the coating is not bright in the low current area, or there is a leakage plating appearance.

Electroplating post-treatment technology

April. 14, 2022

The post treatment process is selected according to the performance of the electroplating layer, use requirements, environmental impact and other factors, usually including polishing, passivation, coloring, coating, sealing, hydrogen removal and other processes.

What are the requirements for metal parts before electroplating？

April. 11, 2022

The performance of metal parts plays a very important role in the normal operation of mechanical equipment. Usually we improve the performance of parts by electroplating, but before electroplating parts, you need to pay attention to five quality points.

Classification of electroplating process types

April. 08, 2022

In terms of the relative arrangement and different operation modes of plated parts, anodes, chemical and bath, the most commonly used production equipment for electroplating is the fixed plating tank. However, various alternative methods have also been applied and developed. Various equipment for part movement (such as swing stirring, continuous electroplating wire and plate, automata, etc.), plating bath movement (such as barrel plating), plating solution movement (spraying, rapid plating, etc.), anode movement (brush plating, etc.) are currently in use. In terms of process, the sequence of degrease, weak corrosion, electroplating, drying and cleaning has become a routine basic operation. But in fact, it is often necessary to make supplements, transportation and changes according to different situations, otherwise it is difficult to adapt to the wide variety of products.

Precautions for electroplating of screw fasteners

April. 06, 2022

Most screw fasteners require surface treatment. Surface treatment can not only change the appearance of screw fasteners, but also improve the rust and corrosion resistance of screw fasteners. Generally, the quality of electroplating is mainly measured by its corrosion resistance and appearance.

Why is cyanide free electroplating more environmentally friendly ?

April. 02, 2022

Cyanide-free electroplating: The surface treatment process adopts cyanide-free electroplating, which is the current advanced electroplating process. The first is non-toxic and environmentally friendly, and the second is powerful performance.

Why is it difficult to electroplate aluminum alloy ?

March. 30, 2022

In most cases, the chemical method of anodizing is performed on the aluminum material, rather than electroplating. Electroplating on aluminum and aluminum alloys is much more difficult and complicated than electroplating on metal materials such as steel and copper.

Five reasons for insufficient adhesion of electroplating coatings

March. 28, 2022

Electroplating, as a protective treatment method for metal surfaces, is widely used in various metal production due to its irreplaceable advantages in beautifying product appearance, enhancing metal texture, and improving corrosion resistance and wear resistance.

What will affect the quality of electroplating layer ?

March. 24, 2022

Electroplating principle will affect the quality of the plating coat. The following will introduce the effects of current density, temperature, and agitation on the quality of the plating coat.

Importance of electroplating hanging racks

March. 22, 2022

The function of the electroplating hanger of the electroplating equipment is very clear. The hanging rack is a tool used to hang and load the plated parts and conduct the cathode current to the plated parts.

How to improve the production of barrel plating?

March. 17, 2022

In barrel plating production, we always hope that the plating time the shorter the better. One of the ways to achieve this goal is to try to reduce the influence of part mixing cycle. The driving beat time, process formulation and other factors also affect the improvement of production capacity.

Any relationship between electroplating quality and part shape?

March. 14, 2022

The influence of the shape of the part on the quality of electroplating is mainly because it affects the uniformity of the distribution of the electroplating current on the surface of the part.

Classifications of electroplating processes

March. 10, 2022

The electroplating process can be divided into five categories: chrome plating, copper plating, cadmium plating, tin plating, and zinc plating.

Process features of Alkaline Galvanized Plating

March. 08, 2022

Alkaline galvanizing process is suitable for rack galvanizing and barrel galvanizing. The coating is soft, bright and easy to chromate passivation.

Main processes and methods of metal oxidation treatment

March. 03, 2022

The oxidation treatment of metal is that the metal surface acts with oxygen or oxidant to form a protective oxide film to prevent metal corrosion. Oxidation methods include thermal oxidation, alkaline oxidation, acid oxidation (ferrous metal), chemical oxidation, anodic oxidation (nonferrous metal), etc.

Design of the electroless nickel immersion gold plating line

March. 03, 2022

Since the operating temperature of the nickel tank and the gold tank is 80~90℃, the tank body must not only be resistant to high temperature, but also not easy to leak. Therefore, 316 stainless steel is generally used as the nickel tank, and the tank wall is preferably mirror polished.

What's electroless nickel immersion gold electroplating ?

March. 01, 2022

Electroless nickel immersion gold is mainly used for surface treatment of circuit boards. It is used to prevent the copper on the surface of the circuit board from being oxidized or corroded.

Heating methods of electroplating solution

February. 25, 2022

The solution that does not require high heating temperature can be heated by hot water circulating through the serpentine heating pipe.

Materials for heating and cooling devices of electroplating solution

February. 22, 2022

Titanium itself is a very active metal and can even replace hydrogen from water.Titanium is widely used as an anti-corrosion material because it is easy to passivate.

Why under the same circumstances the rack plating is better than the barrel plating？

February. 22, 2022

Many people must have experienced that the same plating solution and the same plating parts can be plated well by rack plating, but the barrel plating is not good or difficult. Why? This is inseparable from the particularity of barrel plating.

Maintenance of electroplating solution filter

February. 18, 2022

The gauge pressure display shall be observed in time during use.If the gauge pressure does not rise all the time, it means that the filter element is not installed properly, and there is weak liquid leakage, it should be disassembled and reinstalled.

How to select electroplating solution filter pump ？

February. 16, 2022

At present, the improved centrifugal pump is mostly used for the filter.The shaft seal material is made of silicon carbide material with high hardness, high wear resistance and high flatness

How to improve the structural defects of barrel plating

February. 16, 2022

In order to obtain high-efficiency production and high-quality coating, the structural defects of barrel plating cannot be avoided. The structural defects of barrel plating refer to the defects caused by the closed structure of the drum, such as the slow deposition speed of the coating, the decline of the dispersion ability and deep plating ability of the plating solution, and the high cell voltage. Obviously, these defects will inevitably become an obstacle for barrel plating to obtain efficient production and high-quality coating, and measures should be taken to improve it.

Selection of electroplating solution filter

February. 11, 2022

The nominal flow of the filter (T / h) refers to the maximum flow of the filter material through the clean water without blockage.Because the actual flow of the filter is a variable and cannot be marked.

Alkaline galvanizing or acid galvanizing ？

February. 09, 2022

At present, there are two kinds of zinc plating additives on the market: alkaline and acidic. Among them, acid zinc plating occupies a certain market share because of its fast light output speed and good decoration.

Filtering method of electroplating solution

January. 24, 2022

Tank turning filtration refers to filtering the solution from the original working tank to other clean tanks with a pump or manual scoop. The efficiency of continuous circulation filtration is lower than that of tank turning filtration, but it will not cause shutdown.

Why filter the plating solution ?

January. 21, 2022

Filtering the solution is mainly used to purify the solution.When the impurities such as oil stain in the degreasing fluid are heavy, the degreasing effect becomes worse, the supplementary materials increase, and the liquid temperature increases.

The importance of electroplating solution temperature in plating production line

January. 19, 2022

Electroplating is closely related to our life, such as door handles, faucets and other hardware accessories, auto parts, etc. Electroplating technology is widely used in production and manufacturing. It belongs to surface treatment technology.

About heating and cooling in electroplating process

January. 17, 2022

For electroplating, the heating temperature of electroplating solution is very important. Different electroplating (anode) materials and electroplating solution have different temperature requirements. Incorrect heating temperature will affect the electroplating production efficiency and product quality.

How to solve the problems of aluminum alloy electroplating pretreatment technology

January. 11, 2022

Aluminum alloy electroplating process is widely used in the manufacture of alloy materials, although there are many problems in the electroplating process, but as long as we grasp the key points in the process and operate in strict accordance with the process requirements, many problems will be solved, so as to improve the quality of aluminum alloy.

Knowledge of nickel plating (II)

December. 22, 2021

The method of plating a layer of nickel on metal or some non-metal by electrolytic or chemical methods is called nickel plating. Nickel plating includes electroless nickel plating and electric nickel plating. Electroless nickel plating is to deposit a uniform and dense nickel coating on the cathode (plating part) in an electrolyte composed of nickel salt (called main salt), conductive salt, pH buffer and wetting agent. Bright nickel is obtained from the plating solution with brightener, while dark nickel is obtained from the electrolyte without brightener.

Knowledge of nickel plating （I）

December. 20, 2021

The method of plating a layer of nickel on metal or some non-metal by electrolytic or chemical methods is called nickel plating. Nickel plating includes electroless nickel plating and electric nickel plating. Electroless nickel plating is to deposit a uniform and dense nickel coating on the cathode (plating part) in an electrolyte composed of nickel salt (called main salt), conductive salt, pH buffer and wetting agent. Bright nickel is obtained from the plating solution with brightener, while dark nickel is obtained from the electrolyte without brightener.

Basic structural components of electroplating equipment

December. 07, 2021

In order to promote electroplating efficiency, increase electroplating uniformity and improve current density, the stirring effect must be strengthened.Generally, strong water flow stirring, cathode vibration stirring, ultrasonic stirring, air stirring and other methods are used.

Common etchants for electroplating pretreatment

December. 06, 2021

Core tips: 1. At room temperature, sulfuric acid solution has weak solubility in metal oxides. Increasing the solution concentration can not significantly improve the etching ability of sulfuric acid.

Treatment of wastewater discharge from plastic electroplating

December. 03, 2021

When the copper electroplating washing water is not reused online, it is directly discharged into the mixed sewage for treatment together; During on-line reuse, the RO concentrated water of the reuse system is also discharged into the mixed sewage for treatment. When the plastic nickel electroplating washing water is not reused online, it is discharged into the chemical nickel sewage for treatment together; During on-line reuse, RO concentrated water of the reuse system is also discharged into chemical nickel sewage for treatment. Therefore, the treatment system of plastic electroplating sewage is similar to that of metal electroplating sewage, which can be divided into nickel containing sewage treatment system, chromium containing sewage treatment system and mixed sewage treatment system.

Advantages and disadvantages of different PCB surface treatments

December. 01, 2021

There are many kinds of PCB surface treatment technology. PCB proofing personnel should choose according to the performance and requirements of the board. The following is a brief analysis of the disadvantages of various PCB surface treatment for reference.

The maintenance details of bath solution of galvanizing production line

November. 30, 2021

Recently, the commonly used processes for galvanizing in China include basic zincate galvanizing, chloride acid galvanizing and sulfate galvanizing. Alkaline zincate zinc plating process has the advantages of simple bath composition, fine crystallization, easy passivation of coating, no discoloration of color passivation film and simple treatment of electroplating wastewater. The automatic alkaline zincate galvanizing production line used by the author's company can automatically complete the whole process of electroplating, pre-treatment and post-treatment of electroplating through mechanical devices. It has many advantages, such as high production efficiency, low labor intensity, small floor area, few operators, convenient process maintenance, stable product quality and so on, and improves the operating conditions. However, there are many influencing factors involved in mass production of the production line. If you do not pay attention to daily maintenance, there will be quality problems. This paper describes the daily maintenance methods and precautions of bath solution from each link of galvanizing production line, in order to enable technicians and operators to reasonably maintain the production line, so as to ensure the continuity of production.

Introduction on 8 kinds of PCB surface treatment processes

November. 26, 2021

With the continuous improvement of human requirements for living environment, the environmental problems involved in PCB production are particularly prominent. Lead and bromine are the hottest topics. Lead-free and halogen-free will affect the development of PCB in many ways.

Why poor coating happens in plating process ?

November. 19, 2021

The pinhole is due to hydrogen adsorbed on the surface of the plated part and delayed release.The plating solution cannot moisten the surface of the plated part, so that the plating layer cannot be electrodeposited

Types and functions of plating tanks in the electroplating process

November. 17, 2021

The structure of plating tank varies according to different production conditions and process properties. At present, the commonly used plating tank mainly has the following structural forms.

Ten common failures and solutions of silver plating

November. 17, 2021

In the process of silver plating, we will encounter various faults. The following is a summary of some problems and solutions often encountered in the process of silver plating. I hope we can help you quickly find the cause of the fault.

Saving time, labor and consumption if you pay attention to these detail for degreasing and pickling

November. 12, 2021

To master and manage the degreasing process, we must correctly grasp the principle of the combination of coating and metal substrate.This point is often ignored, which brings difficulties to practice.

Advantages and factors influencing PCB VIA copper filling

November. 10, 2021

The volume of electronic products is becoming thinner and shorter. Directly stacking holes on through blind holes is a design method to obtain high-density interconnection.To do a good job of hole stacking, we should first do a good job in the flatness of the hole bottom. There are several manufacturing methods, among which the electroplating VIA copper filling process is a representative one.

Maintenance of PCB board electroplating production line

November. 08, 2021

In the production process of printed circuit board, there are two kinds of electroplating equipment, one is horizontal electroplating line, the other is vertical electroplating line. In the production process of printed circuit board, there are two kinds of electroplating equipment, one is horizontal electroplating line, the other is vertical electroplating line. The two electroplating equipment with different structures mainly have different transportation modes of circuit boards, and the structure of conveyor board equipment is also different, so the maintenance is also slightly different.

What's the difference between the Anodizing and Conductive oxide ?

November. 05, 2021

Anodizing is the process of forming an oxide film on aluminum products (anodes) under the action of external current. Chemical conductive oxidation (also known as chemical oxidation) actually does not need to be powered on. It only needs to be soaked in solution. It is a pure chemical reaction.

35 different PCB(printed circuit board) standards

November. 04, 2021

Precautions in barrel plating process

November. 03, 2021

Although the cathode current density of barrel plating is large, due to the great difference in current density, most current is consumed on workpieces with high current density, and the average current density is very small. As a result, the cathode current efficiency is low. If there is a slight negligence in operation, it is difficult to ensure the coating thickness.

Some knowledges of FCB board, how to plating the FCB?

November. 03, 2021

Flexible PCBs are generally classified as follows according to the number of layers and structure of conductors: 1. Single sided flexible PCB 2. Double sided flexible PCB 3. Multilayer flexible PCB

Rack plating VS. Barrel plating

November. 01, 2021

Rack plating is that the work piece is clamped on the hanger, which is suitable for large parts. The number of products that can be plated in each batch is small, and the plating thickness is above 10μm.

Common problems and analysis in anodizing process

October. 28, 2021

The anodizing process on the aluminum surface can cover the aluminum substrate with a dense oxide film, which can increase the corrosion resistance, wear resistance and UV resistance of aluminum, and greatly protect the aluminum material. However, many problems often occur in the process of anodizing.

What is anodizing and anodizing principle ？

October. 26, 2021

The so-called anodizing of aluminum is an electrolytic oxidation process. In this process, the surface of aluminum and aluminum alloy is usually transformed into a layer of oxide film, which has protective, decorative and some other functional characteristics. From this definition, the anodizing of aluminum only includes the process of forming anodic oxide film.

What's the difference between electroplating and anodizing？

October. 25, 2021

The object of electroplating treatment is mainly the surface treatment of metal and non-metal.The most commonly used electroplating metals are nickel, chromium, tin, copper, silver and gold. Anodizing is the method of metal surface treatment. Most metal materials (such as stainless steel, zinc alloy, aluminum alloy, magnesium alloy, copper alloy and titanium alloy) can be anodized in a suitable electrolyte.

What is the difference between immersion gold and gold plating in PCB manufacturing

October. 15, 2021

What is gold plating? The whole plate gold plating generally refers to "electrodeposited gold", "electrodeposited nickel gold plate", "electrolytic gold", "electrodeposited gold" and "electrodeposited nickel gold plate". There is a distinction between soft gold and hard gold (generally hard gold is used for gold fingers). The principle is to dissolve nickel and gold (commonly known as gold salt) in chemical medicine water,The circuit board is immersed in the electroplating cylinder and connected with current to generate nickel gold coating on the copper foil surface of the circuit board. Electroplated nickel gold is widely used in electronic products because of its high hardness, wear resistance and not easy to oxidize.

Anodizing production process quality defects and treatment methods

October. 09, 2021

Aluminum anodizing is generally carried out in acidic electrolyte, with aluminum as anode. In the process of electrolysis, the anion of oxygen reacts with aluminum to produce oxide film. The film is not fine enough at the beginning of formation. Although there is a certain resistance, the negative oxygen ions in the electrolyte can still reach the aluminum surface and continue to form an oxide film. With the increase of film thickness, the resistance increases and the electrolytic current decreases. At this time, the outer oxide film in contact with the electrolyte is chemically dissolved.

Do you know the essential difference between electroplating and electroless plating?

September. 22, 2021

The principle difference between electroless plating and electroplating is that electroplating requires additional current and anode, while electroless plating depends on the autocatalytic reaction on the metal surface.

Ten Methods for Electroplating Wastewater Treatment

September. 16, 2021

The composition of electroplating wastewater is complex, so it should be treated in different stages as much as possible. When selecting treatment methods, the advantages and disadvantages of various methods should be fully considered, and the comprehensive application of various water treatment technologies should be strengthened to form a combined process to maximize strengths and avoid weaknesses.

Process and Function of Black Oxidation Treatment

September. 09, 2021

Black oxidation treatment is a common method of chemical surface treatment. The principle is to produce an oxide film on the metal surface to isolate the air and achieve the purpose of rust prevention. Blackening treatment can be used when the appearance requirements are not high. The surface blackening treatment of steel parts is also called blue. Black oxidation treatment, because it can eliminate reflections, refers to a surface coating treatment method commonly used in military tools.

How many kinds of electroplating production lines ?

September. 08, 2021

Electroplating production line refers to the general name of all electroplating equipment in order to complete the electroplating process of industrial products. The electroplating process must be completed in order. The electroplating production line is also called electroplating assembly line.There are five common electroplating production lines in electroplating enterprises: manual production line, semi-automatic production line, full-automatic production line, plastic electroplating production line and ring production line.The quality of electroplating production line determines the overall production efficiency of electroplating plant.

What is a qualified electroplating tank?

September. 06, 2021

Plating tank is the general name of the special tank body for each process used in electroplating production. It includes various pretreatment tanks, electroplating tanks, oxidation tanks, passivation tanks and various cleaning tanks, among which the electroplating tank is the main equipment for electroplating production. It is the carrier of electroplating solution, so it is required that its surface will not corrode and dissolve when it is in long-term contact with various types of solutions, so as to prevent adverse effects. At the same time, the tank is required to be rigid enough to bear the gravity of the tank and solution and the side pressure generated by the liquid.

Why degreasing before electroplating ?

September. 03, 2021

The workpieces entering the electroplating workshop will inevitably adhere to a layer of oil stain due to various processing and treatment. Therefore, before electroplating or anodizing and phosphating, in order to ensure the firm combination between the coating and the substrate, the smooth progress of anodizing and phosphating and the quality of conversion film, the oil stain on the part surface must be removed.

Do you know all ten commonly used tanks for electroplating?

September. 02, 2021

Every electroplating factory has some large and small tanks. People who are in contact for the first time will ask, what kind of tanks are these and what are they for? To this end, we have helped you sort out ten common slots, and we hope to help you.

What's the function of anodizing equipment?

August. 30, 2021

Anodizing equipment has high output, good weather resistance, high fire resistance, strong metal sense and strong pollution resistance. It is widely used and praised by users! It has strong applicability and wide application. It is suitable for metal aluminum ceiling, curtain wall panel, aluminum plastic panel, fire board, honeycomb aluminum panel, aluminum veneer, electrical panel, cabinet panel, furniture panel, etc. Here is are the functions of anodizing equipment.

How does electroplating technology support "Made in China"?

August. 26, 2021

Electroplating technology has developed to today and has become a very important modern processing technology. It is not only a metal surface protection and decorative processing method, although protection and decorative plating still account for a large proportion of electroplating processing. The functional uses of electroplating are becoming more and more extensive. The electroplating industry, as the basic industry of the manufacturing industry, will play a fundamental role in the realization of a manufacturing powerhouse. It can be said that the application of electroplating technology has supported China's manufacturing industry.

How to maintain electroplating equipment?

August. 25, 2021

Manufacturers to buy Electroplating equipment is to help enterprises cast economic benefits, but electroplating automatic production line is not used or long-term use, electroplating equipment will cause different levels of damage. The price of new equipment is relatively expensive. If you always purchase new upgraded equipment to solve the problem of damage, it may cause great social and economic pressure to enterprises. Therefore, under the standard of ensuring normal production and processing operation, how to carry out maintenance and repair of equipment to reduce the production cost? Then we need to make clear the repair and maintenance, and extend the application period.

PCB Electroplating production line

August. 20, 2021

PCB Electroplating is widely used in double-sided board, multi-layer board, HDI high-density board and FPC flexible circuit board, chemical copper, full board electroplating, graphic plating and nickel plating process. Fully automatic open program, intelligent PLC touch screen operation, improve work efficiency, reduce resource waste.

How much do you know about Screen Printing?

August. 12, 2021

The principle of Stencil Printing is that under the action of a squeegee, the screen printing ink in the screen frame leaks from the mesh (graphic part) of the screen to the printing substrate, because the printing plate is not the graphic part Because the screen mesh is blocked, the ink cannot leak to the substrate, thus completing the printing of the printed matter.

Take you to understand the electroless copper plating process, how much do you know about the PCB industry?

July. 30, 2021

What is PTH？

July. 28, 2021

Plated through hole(PTH) in PCB fabrication Immersion copper is the abbreviation of Eletcroless Plating Copper, also called plated through hole, abbreviated as PTH, which is a self-catalyzed redox reaction. After the two-layer or multi-layer board is drilled, the PTH process must be carried out.

EVEREST SMT Assembly Automates Production

March. 11, 2021

Reflow soldering machine, also called reflow soldering machine, is located behind the placement machine in the SMT production line. Its role is to pro

EVEREST SMT Assembly Automates Production

December. 18, 2019

Reflow soldering machine, also called reflow soldering machine, is located behind the placement machine in the SMT production line. Its role is to provide a heating environment to melt the solder paste pre-assigned to the pads of the printed board, so that the surface-mounted components and the PCB pads are reliably combined through the solder paste alloy. The reflow soldering operation method is simple, high efficiency, good quality, good consistency, and saves solder. It is an electronic product assembly technology suitable for automated production, and has now become the mainstream of SMT circuit board assembly technology.

EVEREST SMT Assembly Automates Production

December. 18, 2019

Reflow soldering machine, also called reflow soldering machine, is located behind the placement machine in the SMT production line. Its role is to provide a heating environment to melt the solder paste pre-assigned to the pads of the printed board, so that the surface-mounted components and the PCB pads are reliably combined through the solder paste alloy. The reflow soldering operation method is simple, high efficiency, good quality, good consistency, and saves solder. It is an electronic product assembly technology suitable for automated production, and has now become the mainstream of SMT circuit board assembly technology.

EVEREST SMT Assembly Automates Production

December. 18, 2019

Reflow soldering machine, also called reflow soldering machine, is located behind the placement machine in the SMT production line. Its role is to provide a heating environment to melt the solder paste pre-assigned to the pads of the printed board, so that the surface-mounted components and the PCB pads are reliably combined through the solder paste alloy. The reflow soldering operation method is simple, high efficiency, good quality, good consistency, and saves solder. It is an electronic product assembly technology suitable for automated production, and has now become the mainstream of SMT circuit board assembly technology.

EVEREST SMT Assembly Automates Production

December. 18, 2019

Reflow soldering machine, also called reflow soldering machine, is located behind the placement machine in the SMT production line. Its role is to provide a heating environment to melt the solder paste pre-assigned to the pads of the printed board, so that the surface-mounted components and the PCB pads are reliably combined through the solder paste alloy. The reflow soldering operation method is simple, high efficiency, good quality, good consistency, and saves solder. It is an electronic product assembly technology suitable for automated production, and has now become the mainstream of SMT circuit board assembly technology.