Circuit boards often require the use of solder flux during their manufacturing process to facilitate better connection of electronic components. However, after using solder flux, it is necessary to clean the circuit board to ensure its proper functioning. Common methods for cleaning solder flux from circuit boards include alcohol cleaning, detergent cleaning, and cleaning with…

The typical lifespan of SMT (Surface Mount Technology) stencils varies depending on several factors, including usage frequency, environmental conditions, and maintenance practices. Generally, the lifespan of SMT stencils can range from hundreds to thousands of printing cycles. However, factors such as damage, wear, or corrosion during usage may lead to a reduction in lifespan. Additionally,…

If you are looking for a professional PCBA cleaning equipment manufacturer, the following points are also worth considering: In summary, choosing a PCBA cleaning equipment manufacturer with rich experience, strong technical capabilities, good environmental performance, high service level, and stable equipment performance can maximize meeting cleaning needs and improve production efficiency. To wash the boards…

The SMT solder paste and red glue stencil residue spray cleaning equipment is specifically designed for removing residue in SMT production. It not only utilizes advanced spray cleaning methods but also thoroughly removes residual red glue and solder paste by spraying cleaning agents, ensuring the quality and efficiency of the SMT production process. Equipped with…

There are several commonly used methods for cleaning PCBA circuit boards, and here are some effective ones: Silman Tech’s fully automatic PCBA cleaning machine features high efficiency and reliability, capable of quickly cleaning large quantities of PCBA circuit boards. It adopts a spraying cleaning method, equipped with multiple nozzles and rotating devices to ensure thorough…

The DEZ-C753 PCB surface cleaning machine is primarily used for online cleaning of fine debris, dust, fibers, hair, skin flakes, metal particles, and other foreign objects on the surface of PCB pads before solder paste printing or adhesive coating. The main function of the fully automatic PCB surface cleaning machine is to ensure that the…

SMT nozzles are widely used assembly tools in Surface Mount Technology (SMT). Their main role is to accurately pick and place electronic components onto printed circuit boards. Since the nozzles must remain clean and free of obstructions to ensure accurate assembly and high-quality products, regular cleaning of the nozzles is crucial. Preventive Measures and Routine…

PCBA cleaning is a process conducted after the assembly of printed circuit boards (PCBA) to remove contaminants such as solder residue, flux residue, and dust generated during the soldering process. PCBA cleaning equipment typically consists of several main components: When choosing PCBA cleaning equipment, several factors need to be considered: It should be noted that…

SMT nozzles are widely used assembly tools in Surface Mount Technology (SMT). Their primary function is to accurately pick up and place electronic components onto printed circuit boards. Since the nozzles must remain clean and free from obstructions to ensure precise assembly and high-quality products, regular cleaning of the nozzles is essential. Preventive measures and…

SMT (Surface Mount Technology) nozzles are essential components in automated pick-and-place equipment, primarily responsible for retrieving surface mount components from feeders and placing them onto PCB boards. The structural principle of the nozzle is as follows: It is worth noting that the structural principle of the nozzle may vary depending on the type of automated…

Pick-and-place machine nozzles are not only critical components for picking and placing components during the operation of pick-and-place machines but also serve as backgrounds for cameras in optical vision systems. They utilize the principle of vacuum suction to pick up components and then place them onto the coordinates of the circuit board using compressed air.…

When ordering PCB products, users often produce extras for backup purposes. Over time, these PCB boards may expire without the user’s awareness. So, what are the specific hazards of using expired PCB circuit boards?

In summary, while the thickness and aperture size of the SMT stencil may seem insignificant on the surface, they often determine the quality of our printed electronic circuit boards and should not be overlooked.

In summary, combining oven fixtures with test strategies involves optimizing ICT and AXI testing processes to ensure efficient and comprehensive testing of PCB assemblies.

The application of SMT steel mesh mainly occurs in electronic product manufacturing factories such as those for smartphones, computers, and televisions. These products typically contain one or more circuit boards with numerous electronic components, some of which are very small and cannot be soldered using a soldering iron. Instead, these components are placed on the…

SMT post-solder cleaning equipment mainly includes ultrasonic cleaning machines and water cleaning machines. These are the two common types of SMT post-solder cleaning equipment. You can choose the appropriate cleaning method based on your specific requirements. We hope this information is helpful to you.

Lead tin solder paste is a type of solder paste specially designed and developed for SMT assembly production lines. It is an indispensable soldering material in the SMT pick-and-place machine industry. Lead tin solder paste is composed of flux and alloy components, with tin and lead being the main components, hence the name lead tin…

In the production process of PCBA, various soldering techniques are often used to ensure stability, which can easily lead to residues on the surface layer. To guarantee the performance of the applied products, thorough cleaning is necessary before leaving the factory. What kind of cleaning support can the application of PCBA cleaning machines provide nowadays?…

The cleanliness of assembly components has become a significant concern in assembly operations. While the residues after assembly may not seem critical after the application of cleaning agents, they can cause failure in electrochemical analysis if the cleaning process is omitted. For instance, like the growth of branches, issues such as electrolytic corrosion and leakage…

There are several reliable methods for cleaning solder on circuit boards, depending on whether you need to clean existing solder on the board or remove unwanted solder residues after soldering. It is recommended to use the Silman Tech PCBA cleaning machine for these operations. Here are the methods: Manual Cleaning Equipment Cleaning Whether cleaning existing…

There are many options available for cleaning equipment nowadays, and they provide various practical values when applied. Among them, the application of fully automatic PCBA board cleaning machines is quite common, meeting the needs of various industries. So, what are the benefits of using them? Are they highly stable in operation? With the increasing demand…

After processing, there are often residues on the surface of PCBA, such as flux, solder paste, and solder dross, which can adversely affect product stability. Therefore, it is necessary to use a PCBA water cleaning machine for specific cleaning. So, what is the working principle of this type of machine? The PCBA water cleaning machine…

In the PCB production process, cleaning PCBA circuit boards is a crucial step. Failure to effectively ensure the cleanliness of the PCB surface can lead to resistance and leakage, causing PCB circuit boards to malfunction and significantly affecting their lifespan. So, how do we clean PCB circuit boards? Let me share with you several methods:…

These are the important considerations for using a steel mesh cleaning machine.

PCBA circuit boards undergo soldering processes such as reflow soldering, DIP wave soldering, and selective wave soldering in SMT electronic manufacturing processes. After soldering, PCB circuit boards and components inevitably have residues such as flux and solder paste. Excessive residues of solder paste, flux, and other substances on PCBA circuit boards can pose significant hazards.…

Before discussing why water-based cleaning agents are preferred over solvent-based ones for circuit board cleaning, let’s first examine the advantages and disadvantages of solvent-based cleaning agents. Organic solvent cleaning agents can be classified into flammable and non-flammable categories based on safety factors. Flammable solvents mainly include organic hydrocarbons, alcohols, and esters, while non-flammable solvents mainly…

In order to ensure the quality of products and the reliability and stability of technical parameters in SMT process production, standardized and reputable manufacturers conduct a major cleaning of the reflow oven every month. This includes disassembling and cleaning removable parts such as condensers, fans, and filters. Resin residues and solid adhesive substances may adhere…

The printer is the front-end process equipment of the SMT production line, mainly used to print solder paste onto PCB pads. An important component required for printing onto the pads is the stencil. The stencil, essentially a template matching the PCB pads, contains holes corresponding to the PCB pads and is primarily used by the…

After using reflow soldering for a period of time, a large amount of rosin flux residue from the solder paste remains on the inner walls of the reflow soldering oven chamber and the cooling zone pipes. This can reduce the heating temperature of the reflow soldering, leading to poor soldering quality. Therefore, it is necessary…

The steel mesh cleaning machine is a specialized equipment used for cleaning steel meshes. It thoroughly cleans dirt, grease, and other impurities from the steel mesh using high-pressure water flow and nozzles. This type of cleaning machine is commonly used in industrial production lines, such as automotive manufacturing and electronics production fields. Using a steel…

Since 2018, our company has increasingly focused on product quality and process requirements. Analyzing the data, the sales of our product process-improving equipment have continuously increased, reaching 80% of total sales so far. This also proves that there is demand in the SMT market, but there is a lack of products that can meet customers’…

The key technology of the PCBA cleaning machine lies in the efficient cleaning spray system, ensuring precision and yield. Additionally, for solvents with high volatility or flammability, emissions concentration can be effectively reduced through a sealed exhaust system to meet environmental requirements.

SMT stencils are commonly used tools in surface mount technology for applying solder paste onto printed circuit boards. They can be classified into the following types based on different materials and structures: The cleaning method for SMT stencils is as follows: Manual cleaning: It is important to avoid using hard objects or brushes to scrub…

A pick-and-place machine is a device used for the placement of electronic components, and the nozzles of pick-and-place machines are crucial components used to pick up components and accurately place them on PCBs. Cleaning the nozzles ensures the stability of the pick-and-place machine’s operation and the quality of component placement. Here are common cleaning methods…

Selecting solvents and tools for cleaning oven fixtures is crucial, considering the variety of small mechanical components contained within these fixtures. In fixture manufacturing enterprises, a wide range of small mechanical components can be observed. These components come in various materials and serve diverse purposes. There are several considerations when cleaning fixtures. Using the correct…

Nozzle maintenance precautions:

Steps for manual cleaning: These are the two different methods of PCBA cleaning, and choosing the appropriate cleaning method based on the current situation is crucial. We hope this information is helpful to you.

During the PCBA manufacturing process, residues of solder paste and flux are inevitable. Over time, these residues can solidify, forming corrosion substances such as metal halides, which can adversely affect the stability and lifespan of the PCB. Therefore, it’s essential to thoroughly remove residual solder paste, flux, and other contaminants from the surface of PCBA…

The solder paste process plays a crucial role throughout the entire PCBA manufacturing process, ensuring reliable electrical connections between surface mount components and PCB pads while providing adequate mechanical strength. Let’s explore the solder paste process, technical requirements, and cleaning solutions.

PCBA circuit boards are widely used globally, and during the manufacturing of printed circuit boards, contaminants such as solder flux and adhesive residues, as well as dust and debris generated during production, can accumulate. If the PCB surface cannot be effectively cleaned, issues such as resistance and leakage can occur, leading to abnormalities in the…

With the widespread use of steel mesh cleaning machines, more and more people are becoming acquainted with SMT (Surface Mount Technology) steel mesh cleaning equipment. The fully pneumatic SMT steel mesh cleaning machine utilizes compressed air as the energy source, eliminating the need for electricity and any associated fire hazards. It features user-friendly design and…

There is a common misconception that cleaning circuit boards after soldering is merely for aesthetic purposes, with no other significant benefits. However, neglecting cleaning during the PCBA (Printed Circuit Board Assembly) manufacturing process can lead to various issues, causing operational costs to skyrocket due to faults, rework, or product recalls during long-term customer use. Let’s…

With the development of SMT, the trend towards miniaturization and high-density assembly of components has emerged. Consequently, SMT pick-and-place machine nozzles have become more precise and have a greater impact on assembly quality. During actual assembly processes, nozzle blockages due to solder, flux, or other contaminants can lead to component misplacement. Previous methods such as…

Liquid addition Liquid addition includes three types of actions: adding cleaning solution at the beginning of the cleaning process, replenishing during the cleaning process, and replacing the cleaning solution. Considerations during liquid addition include: Cleaning Drying The spray cleaning process generally adopts ambient temperature airflow for drying, with the drying time adjusted according to the…

PCB cleaning agents, also referred to as washing solutions, serve the same purpose of cleaning PCBAs (Printed Circuit Board Assemblies). The choice between solvent-based and water-based cleaning materials depends on various factors, with each type having its own advantages and disadvantages. Solvent-based cleaning agents used for PCBA cleaning can be categorized into hydrocarbon solvents, halogenated…

The current situation of traditional ink, adhesive, silver paste, and silicone rubber PCB cleaning present three major problems: large consumption of cleaning solution, inadequate workplace to meet environmental protection standards, and reluctance of workers to manually clean PCBs. Traditional cleaning methods for ink, adhesive, silver paste, and silicone rubber PCBs typically involve manual wiping with…

The traditional manual cleaning process for screen printing screens involves dipping cloth strips into cleaning solution or anti-white water for scrubbing, typically cleaning one side before proceeding to the other. However, this process poses several challenges and issues: Many companies have been aware of these issues for many years, especially those that prioritize quality and…

In simple terms, the effects of the stencil on SMT printing defects mainly come from seven aspects: stencil thickness, number of apertures (either too many or too few), aperture position, aperture size, aperture shape, roughness of the aperture walls, and cleanliness of the apertures after stencil use. Let’s elaborate on each of these: To control…

The pick-and-place machine nozzles play a significant role in the placement rate (SMT placement rate) in PCB manufacturing companies. Many people value the SMT placement rate because it not only affects the production cost of the production line but also influences the operational efficiency of the production workshop. Let’s briefly introduce how nozzles affect the…

The nozzle cleaning machine, also known as the pick-and-place machine nozzle cleaning machine or SMT nozzle cleaning machine, is a device used for cleaning pick-and-place machine nozzles. This type of machine is commonly referred to as a nozzle cleaning machine, and in some places, it is also called a nozzle cleaner. Principle of Nozzle Cleaning…

Stencil cleaning machines are divided into two main categories: pneumatic stencil cleaning machines and electric stencil cleaning machines. Many newcomers to the SMT industry may wonder what stencil cleaning machines are used for. In fact, stencil cleaning machines are industrial cleaning equipment used to clean stencils. Specifically, they are used to remove residues such as…

When discussing the importance of the PCBA cleaning process, it involves various aspects such as cleaning methods, cleaning agents, and cleaning standards. User Zhang Min mentioned several instances where improper cleaning led to changes in device performance, such as reduced insulation performance of transformers and decreased contact performance of key switches. Recently, Zhang Min specifically…

PCB cleaning machines with surface dust and electrostatic discharge (ESD) removal systems have become increasingly popular. Many newcomers may wonder, “Isn’t a PCB board ready for use straight away?” However, during various stages such as handling, barcoding, and placement of PCBs, dust and stains may accumulate on the surface layer, and static electricity on the…

The pneumatic stencil cleaning machine offers clear advantages compared to ultrasonic stencil cleaning machines and manual cleaning methods for stencils. Regardless of whether it’s ultrasonic or manual cleaning, the ultimate challenge lies in how to clean stencils with small apertures and effectively avoid damaging the stencil. Below, we’ll primarily discuss what a pneumatic stencil cleaning…

As SMT technology advances, electronic components become increasingly miniaturized, and the future trend undoubtedly leans towards even smaller components. When mounting chips, frequent component rejection and equipment downtime due to nozzle blockages from solder and floating dust significantly impact production capacity. Here are several factors explaining why SMT electronics factories opt for Silman Tech’s automatic…

The two most widely used cleaning machines in the cleaning industry are high-pressure cleaning machines and ultrasonic cleaning machines. What are the differences between them, and how should users choose between them? Difference in working principles: The working principle of an ultrasonic cleaning machine involves converting electrical energy into mechanical energy through a transducer to…

The ultrasonic type cleaning machine utilizes ultrasonic waves to quickly dislodge contaminants from the nozzles. However, its cleaning effectiveness for nozzles varies and may not be optimal for all sizes of nozzle apertures. Ultrasonic cleaning is suitable for larger aperture nozzles but may risk damaging the nozzles, especially when combined with solvent cleaning. On the…

Manual cleaning: Use circuit board-specific cleaning solution to clean the dust from the circuit board. After cleaning, use a blow dryer to dry the circuit board. Since circuit boards typically contain electronic components, it is not suitable to use water for cleaning. Instead, use specialized board cleaning water, hydrogen peroxide, or deionized water for better…

All three cleaning techniques mentioned above can achieve a certain level of cleaning effectiveness. However, to achieve rapid and efficient cleaning of PCB boards, the application of PCBA brush cleaning machines is recommended. These machines employ multiple brushing steps to efficiently remove flux residues from the surface of PCBA after soldering, without wetting the components.…

There are several types of wave soldering fixtures, and efficient cleaning methods for these fixtures are essential. With the rapid development of electronic devices towards miniaturization, lightweight, and precision, the standards for product quality are becoming increasingly higher. However, people often overlook the maintenance and cleaning of fixtures and equipment in common electronic processes, such…

Start the continuous automatic printing process on the printing machine: PCB solder pads are conveyed to the working table of the printing machine via the conveyor belt on the production line. The optical image recognition system of the printing machine automatically aligns and accurately positions the PCB solder pads to ensure precise alignment with the…

Firstly, let’s talk about how to clean solder paste from steel mesh, and what exactly is a pneumatic SMT steel mesh cleaning machine? In fact, an SMT steel mesh cleaning machine is a type of cleaning equipment used in industrial production for cleaning SMT steel mesh and other residues, mainly used to remove solder paste,…

The cleaning of steel mesh, from manual cleaning to the current professional steel mesh cleaning machine combined with water-based solvent cleaning methods, has become the direction and development of efficient, energy-saving, environmentally friendly, and safe and reliable utilization in the industrial chain. This application increasingly meets the cleaning requirements of manufacturers and the requirements of…

PCB steel mesh, also known as SMT steel mesh, is a template made with laser cutting for surface mount technology (SMT) processes. Its primary function is to assist in the deposition of solder paste or adhesive onto a prepared PCB (printed circuit board). The ultimate goal is to accurately transfer the required amount of solder…

There are various methods for cleaning Juki SMT nozzles due to the rapid development of the electronics manufacturing industry, which demands increasingly smaller components. While larger nozzles can still be cleaned using industrial alcohol and needle-through-hole methods, the shrinking size of components poses challenges for cleaning, with some nozzles having internal diameters as small as…

Choose PCB cleaning machine manufacturers, there are several factors to consider in order to make an informed decision and choose the right supplier. Here are some key aspects to evaluate when assessing the strength of different manufacturers: In summary, when comparing the strength of PCB cleaning machine manufacturers and selecting the right brand, it’s important…

Advantages: Disadvantages: Currently, many factories opt for the Silman Tech Fully Automatic Stencil Cleaner. This equipment effectively reduces pollution, minimizes the harm of toxic solvents to human health, and is environmentally friendly. Moreover, it reduces labor requirements and cleaning time compared to manual methods, achieving automated cleaning and drying of stencil screens. Additionally, the recycling…

As electronic products continue to advance in technology, the demand for product quality becomes increasingly stringent. Consequently, the production process for PCBA (Printed Circuit Board Assembly) becomes more rigorous. PCBA cleaning, as one of the processes in PCBA manufacturing, requires strict adherence to standards. Let’s explore some common cleaning methods and popular cleaning techniques for…

PCB stencil, also known as solder paste stencil, is essential for the soldering process in PCB assembly, particularly during reflow soldering. Before soldering, solder paste is applied onto the solder pads of surface mount components using a stencil. The stencil has openings corresponding to each solder pad, allowing the solder paste to be deposited precisely…

In the continuous application of reflow soldering and wave soldering in SMT (Surface Mount Technology), fixtures often accumulate a considerable amount of flux residues and rosin. This affects their subsequent use. Therefore, it is essential to thoroughly clean these residues efficiently. Below are some insights and recommendations on the cleaning and maintenance of SMT reflow…

The high-pressure spray ultrasonic cleaning machine is a type of cleaning equipment that combines the effects of ultrasonic cavitation and high-pressure spraying to effectively remove oil stains and debris from the surface layer of products or workpieces. Firstly, it utilizes the principle of ultrasonic cavitation to detach and emulsify oil stains and impurities from the…

The manufacturing process of wafers involves various intricate procedures and chemical materials. Residues of chemical substances, particles, and metal materials are commonly found on the surface of wafers after different processing steps. If not cleaned promptly, these residues can accumulate over time, affecting the final product quality. Therefore, the cleaning equipment has become a crucial…

During the SMT assembly process, residues of solder paste and flux are often left behind on PCBA boards. These residues contain various components, including organic acids and decomposable ions. Organic acids are highly corrosive, and residual ions on solder pads can cause short circuits. Additionally, these residues make the PCBA boards dirty and fail to…

Choosing the appropriate cleaning agent for a stencil cleaning machine has always been a point of confusion for many. Today, I’ll explain six points to help you select a suitable cleaning agent for your stencil cleaning machine. With so many stencil cleaning agent products on the market, how do you make the right choice? Here…

Cleaning and maintaining Pick and Place Machine (SMT) nozzles are crucial tasks as they are essential components responsible for picking up and placing surface mount electronic components. If these nozzles malfunction or become blocked, the pick-and-place process cannot proceed as electronic components cannot be picked up. Therefore, regular cleaning and maintenance of SMT nozzles are…

PCB, which stands for Printed Circuit Board, is also known as a printed wiring board, serving as a provider of electrical connections for electronic components. It is present in various electronic products and serves as a carrier for the interconnection of electronic devices such as resistors, capacitors, inductors, diodes, transistors, integrated circuits, etc. PCB boards…

The Role of Wave Soldering Reflow Fixture: Cleaning Method for Wave Soldering Reflow Fixture: There are professional fixture cleaning machines available, such as the DEZ-C755 by Delixi. This equipment features one-key operation, completing the entire cleaning process automatically without human intervention. The equipment has low energy consumption, low operating noise, no pollution, energy efficiency, and…

The above is the process of cleaning steel mesh with the DEZ-C730 steel mesh cleaning machine, which is simple to operate and one-touch cleaning. If there are any unclear points, you can consult the online customer service for detailed understanding of the operation of the steel mesh cleaning machine through instructional videos.

Firstly, timely cleaning is essential. For reflow oven fixtures, it is generally recommended to clean them once a week after use, and also clean them once when taken offline to prevent excessive flux residue on the edges of the reflow oven fixtures due to prolonged use, which can make cleaning difficult and affect fixture performance.…

The main function of SMT steel mesh is to accurately print solder paste onto PCB pads. During this process, some solder paste residue is inevitably left on the steel mesh, which needs to be cleaned after use to avoid affecting secondary use. In order to achieve good cleaning results and control costs, it is necessary…

Steel mesh cleaning, from manual cleaning to automated cleaning achieved through solvent-assisted pneumatic spraying, has become an efficient, environmentally friendly, and safe application direction and development in the industry. This application better meets the cleaning needs of manufacturers in this area and the requirements of environmental protection, sustainability, and scientific development of society, ensuring a…

After silk screen printing, if the silk screen needs cleaning, the printing ink should be scraped from the image part of the silk screen to the bottom. Currently, the main methods for cleaning silk screens are manual scrubbing with solvent-based cleaning agents and using professional silk screen cleaning machines. Solvent-based cleaning agents are volatile, have…

From manual cleaning to the current pneumatic steel mesh cleaning machine and water-based steel mesh cleaning machine combined with specialized cleaning equipment, steel mesh cleaning has evolved into an industry-oriented, efficient, energy-saving, environmentally friendly, safe, and reliable application direction and development. This application better meets the cleaning needs of manufacturers and the requirements of energy…

The thickness of SMT steel mesh is crucial for SMT manufacturers as it not only affects the SMT pass rate but also directly impacts the reliability and durability of products once they are launched into the market. Below, we present the classification of SMT (PCB) steel mesh thickness accumulated over the years and some tips…

SMT solder paste water-based cleaning agent SMT steel mesh, also known as the stencil, is mainly used to transfer an accurate amount of solder paste to precise locations on the PCB board. The holes on the steel mesh match the areas to be printed on the PCB board. When the steel mesh becomes blocked, it…

Ultrasonic steel mesh cleaning machines have emerged as an alternative cleaning method following manual cleaning of steel meshes. Currently, there are still a few customers using ultrasonic steel mesh cleaning equipment. Compared to other traditional cleaning methods, ultrasonic steel mesh cleaning machines offer several advantages, such as significantly faster cleaning speeds, several times faster than…

Cleaning silk screens efficiently after use is crucial for their longevity and ensuring optimal printing results. Traditionally, manual cleaning methods involve using a type of cleaning agent inside the screen printing machine and then gently wiping the surface layer of the screen with a clean fabric. Nowadays, specialized silk screen cleaning machines are commonly used…

With the rapid development of technological innovation, technology applications are increasingly being utilized in various aspects of our production and daily life. The cleaning methods for fixture cleaning typically include manual cleaning, organic solvent cleaning, vapor-phase cleaning, high-pressure water jet cleaning, and fixture cleaning. Fixtures Traditional manual cleaning and organic solvent cleaning have cleaning efficiency…

The selection, tension testing, and cleaning methods of SMT stencils are crucial steps in surface mount technology (SMT) assembly, as they directly affect the effectiveness of solder paste printing and consequently impact the final soldering results. To prevent issues such as insufficient solder, bridging, or solder voids, SMT engineers need to rigorously manage stencil-related processes,…

In surface mount technology (SMT) assembly, there are various factors that can impact the final quality, such as the quality of surface mount components, the quality of PCB pads, solder paste, solder paste printing, placement accuracy of SMT machines, and the temperature profile of reflow soldering. Among these, an essential step in SMT assembly is…

Manual cleaning of oil-based ink after screen printing is essential for maintaining the quality of printed industrial products. However, in most screen printing companies, commonly used ink cleaning agents include gasoline, trichloroethylene, acetone, and benzene, also known as washout solutions. These solutions are widely used due to their fast drying rates and low cost, despite…

The significance of cleaning printed circuit boards (PCBs) lies in removing residual conductive particles, flux, dust, and other contaminants to achieve insulation performance. This helps prevent poor contact, avoid defects during continuity testing, and mitigate corrosion. Therefore, the evaluation of PCB cleaning effects is crucial as it directly impacts the quality of the PCB after…

Standard manufacturer reflow ovens require a major cleaning once a month to ensure product quality and stable equipment performance parameters. This involves removing detachable components such as condensers, fans, and filters for cleaning. For wave soldering, filters and chain claws need to be cleaned regularly to remove resin stains and high-temperature carbonization. This prevents resin…

During the PCB assembly process, solder paste and flux residue can form residual chemical substances, including organic acids and decomposable ions. Organic acids have corrosive effects, and residual ions on the solder pads may cause short-circuit faults. Moreover, these residues on the PCB are particularly dirty and do not meet the cleanliness requirements of customers.…

The process of water cleaning for PCBA (Printed Circuit Board Assembly) boards involves using water as the cleaning medium, with the addition of small amounts (typically 2% to 10%) of chemical substances such as surfactants and corrosion inhibitors. The cleaning process includes washing, followed by multiple rinses with deionized or purified water, and drying to…

The principle of PCBA board cleaning is essential for both surface mount technology (SMT) and through-hole technology (THT) assembly processes. Cleaning helps remove accumulated surface contaminants from the product during various manufacturing stages, thereby reducing the risk of surface contamination and enhancing product reliability. When cleaning PCBA, it is crucial to ensure compatibility between the…

With the continuous improvement of manufacturing levels in China, steel mesh cleaning machines have been increasingly recognized by enterprises. Using automated cleaning equipment can significantly reduce costs for businesses. Therefore, most companies choose SMT steel mesh cleaning machines instead of manual cleaning. The emergence of steel mesh cleaning machines effectively addresses this issue. So, what…

Cleaning machines are mainly divided into hydraulic cleaning machines, high-pressure cleaning machines, ultrasonic cleaning machines, pneumatic cleaning machines, and spray cleaning machines. Steel mesh cleaning machines are widely used in electronic device manufacturers and SMT printing production plants. Large-scale production plants will purchase many targeted cleaning machines for screen printing screens. This is not only…

In fact, most people don’t really know what an SMT steel mesh cleaning machine is, but it’s highly practical. Today, let the Silman Tech editor give you a detailed introduction to the SMT steel mesh cleaning machine. In fact, the SMT steel mesh cleaning machine is a type of product used for safe, reliable, stable,…

The use of an SMT steel mesh cleaning machine ensures thorough cleanliness and prevents the potential hazards of employees directly touching the solution. This type of steel mesh cleaning machine adopts a fully pneumatic solution, eliminating the risk of fire accidents as it does not require electricity. Previously, companies mainly relied on wiping paper and…

The above are the common cleaning methods and characteristics of PCB boards. Silman Tech is a professional manufacturer of cleaning equipment. For inquiries about related equipment, please consult our online customer service representatives.

What is the working principle of a screen cleaning machine? I believe many new users have this question. Silman Tech’s fully automatic screen cleaning machine can efficiently clean screen plates (copper plates) with solder paste or red glue without causing damage to the screen plates. Considering that the automatic screen cleaning machine adopts ultrasonic cleaning…

Silman Tech screen cleaning machines are primarily designed for cleaning ink, epoxy glue, silver paste, gold paste, glass paste, and other similar materials. Silman Tech offers a variety of screen printing screen cleaning machines suitable for various industries. Below is a brief explanation of screen cleaning processes and the current status of screen cleaning issues.…

The selection of SMT nozzles involves various factors, including material, shape, and size. Here’s a guide to help you make the right choice: Material of Nozzles: Shape of Nozzles: Nozzle shapes include square holes, round holes, and V-grooves. Custom-made nozzles are often selected based on the shape of the components being picked. Extended nozzles may…

“Cleaning” is often overlooked in the PCBA manufacturing process, with many considering it to be an unimportant step. However, ineffective cleaning during the initial stages of product application can lead to numerous problems in the long term, resulting in increased costs due to rework or product recalls. In the following, we will briefly explain the…

Special Opening Design Principles:

Traditional manual cleaning of ink screens after printing usually involves using shredded cloth dipped in cleaning solution or anti-white water for wiping. Cleaning one side before proceeding to the other side is a common practice in this process. However, there are several challenges associated with this method: To address these issues:

The soldering process in PCBA assembly is fundamental in determining electrical performance and reliability. Studies have shown an increasing trend in problems such as corrosion, short circuits, and open circuits caused by corrosion and electrical migration. Previously, our understanding of cleaning was inadequate, as we believed that the residual flux was non-conductive and benign, and…

The surface of the PCB board includes the copper foil substrate and the pre-plated copper substrate after hole metallization. To ensure the firm adhesion of the dry film to the substrate surface, it is required that the substrate surface be free of oxidation, oil contamination, fingerprints, and other contaminants, as well as free of burrs…

As the use of nozzles becomes increasingly widespread and nozzles become miniaturized, traditional ultrasonic nozzle cleaning methods are no longer sufficient to ensure the cleanliness of the nozzles. Consequently, a large number of nozzle cleaning machines have emerged, with significant differences in performance and prices among various brands. For many newcomers, they may initially focus…

Generally, there are two types of cleaning methods for steel mesh: Generally, the fully pneumatic steel mesh cleaning machine is more commonly used in the market, as it offers better cleaning efficiency and time compared to ultrasonic cleaning. However, due to the relatively lower cost, some users still opt for ultrasonic cleaning machines. Today, let’s…

During the actual production process of a fully pneumatic steel mesh cleaning machine, there are certainly more production standards to adhere to. If we intend to use such equipment regularly, it’s essential to perform relevant checks. When inspecting a fully pneumatic steel mesh cleaning machine, what should be checked recently?

SMT steel mesh, in essence, is a very thin steel sheet. The specifications and dimensions of SMT steel mesh are generally fixed to match solder paste printers. However, the thickness of the mesh varies depending on the requirements, ranging from 0.08mm, 0.10mm, 0.12mm, 0.15mm, to 0.18mm, among others. So, what is the purpose of SMT…

With the development of technology and industrial automation, there have been significant improvements in steel mesh cleaning machines, leading to an increasing demand for such equipment. The SMT steel mesh cleaning market has also seen the infusion of many new elements. There are numerous brands and models of steel mesh cleaning machines on the market,…

Many newcomers to this field may have this question. In essence, a steel mesh cleaning machine is an industrial device used to clean steel meshes and other similar meshes. Specifically, it is used to clean solder paste, red glue, silicone glue, and other residues on the surface of steel meshes after printing. What are the…

Ultrasonic Steel Mesh Cleaning Machine: Ultrasonic waves propagate through the liquid, causing the liquid and the cleaning tank to vibrate together at the frequency of the ultrasonic wave. The vibration frequency of the liquid and the cleaning tank is the natural frequency, which produces a humming sound. The power supply and heater of the ultrasonic…

With the rapid development of mechanical equipment, manual operations are gradually being replaced. In SMT factories, manual cleaning of steel mesh has been replaced by fully automatic steel mesh cleaning machines. This not only improves efficiency but also ensures thorough cleaning, reducing time and labor costs. The emergence and application of fully automatic SMT steel…

Ultrasonic Steel Mesh Cleaning Machine: The main reasons for ultrasonic cleaning machines having certain difficult-to-control standards are: Fully Pneumatic Steel Mesh Cleaning Machine does not exhibit the above phenomena during cleaning of SMT boards, not only cleans thoroughly but also prevents potential hazards to workers from direct contact with solvents. Silman Tech Steel Mesh Cleaning…

Many users often inquire about the price of a nozzle cleaning machine as their first question. However, it’s challenging to provide a straightforward answer without knowing the user’s specific requirements and the nozzle specifications. Here, we will discuss the factors that influence the price of a nozzle cleaning machine, hoping to be helpful to everyone.…

Recently, a batch of low-priced SMT nozzle cleaning machines has flooded the market. After assessment by Silman Tech engineers, many of these machines are found to be refurbished old machines. Hereby, consumers are reminded: low-priced nozzle cleaning machines may be refurbished old machines. When making a purchase, be sure to inspect carefully and avoid being…

Currently, there are various types of nozzle cleaning machines available on the market, which can be overwhelming for first-time buyers. Today, Silman Tech’s editors will introduce how to choose a nozzle cleaning machine, focusing on the following points: Different types of machines offer different cleaning effects. Generally, double-cylinder machines have higher cleaning efficiency and automation…

With the rapid development of the industry, various electronic components are trending towards miniaturization and precision. The same applies to SMT nozzles, which play a significant role in surface mounting quality. Over time, these nozzles can become clogged with residues such as flux and solder paste, affecting their performance. Below are three common methods for…

With the development of Surface Mount Technology (SMT), the trend towards miniaturization and high-density assembly of components has become apparent. Consequently, the nozzles of SMT pick-and-place machines have become more precise, exerting a significant influence on assembly quality. During actual assembly processes, nozzle blockages caused by solder, flux, or other contaminants can lead to misplacements.…

When it comes to industrial cleaning, not many people are familiar with it. The commonly used cleaning methods include chemical cleaning and physical cleaning. Chemical cleaning involves the use of one or more chemical agents to chemically transform, dissolve, or strip surface contaminants or coatings to achieve degreasing, rust removal, and scale removal effects, making…

The prices of automatic steel mesh cleaning machines are as common as computers and have become an essential SMT cleaning equipment in the vast majority of manufacturing industries. Therefore, the price of SMT steel mesh cleaning machines has become a focal point for such users. When there are updates on the latest prices of automatic…

Steel mesh cleaning can be performed using various methods, including manual cleaning and using specialized steel mesh cleaning machines. Many SMT manufacturers opt for ultrasonic steel mesh cleaning machines, which typically utilize either spray or ultrasonic cleaning methods. While solvent-based cleaning agents like industrial alcohol or IPA are commonly used in these machines due to…

The nozzle of an SMT placement machine is one of its key components and plays a crucial role in the high-speed operation of the machine. But what is the working principle of the nozzle, and how can it be cleaned? Let me briefly introduce it to you. Working Principle and Cleaning Method of SMT Placement…

The function and cleaning of SM471 placement machine nozzles are crucial aspects in the operation of the machine. The SM471 placement machine nozzle is not only an important component for picking and placing components but also serves as the background for the camera of the optical vision system. Its main function is to use vacuum…

For the majority of small and medium-sized contract manufacturers or production plants, cost considerations often lead them to use traditional manual brushing cleaning methods. This involves using an antistatic brush dipped in cleaning agent to brush the PCB. The PCB is tilted at a 45° angle, and the brush is moved from top to bottom,…

Cleaning steel mesh typically involves manual cleaning or using specialized steel mesh cleaning machines. Nowadays, factories primarily use steel mesh cleaning machines, such as the Silman Tech Steel Mesh Cleaning Machine C730, which can clean various types of mesh boards. During the steel mesh cleaning process, it is important to ensure that the air pressure…

Screen printing screens, which are used in the screen printing process to produce desired graphics, are composed of mesh fabric, aluminum frames, and graphics. Despite the rapid advancement of light industry and the electronics industry, screen printing remains an indispensable production process. Screen printing is widely used in various everyday products, and the core product…

Over-oven fixtures are commonly used in the electronics industry as fixtures for SMT (Surface Mount Technology) processing of PCB (Printed Circuit Board) assemblies. They are primarily used for PCBs with SMD (Surface Mount Device) components soldered on top of through-hole components. The materials used for over-oven fixtures include: Features and applications of over-oven fixtures include:

(1) Atmospheric Pressure and Atmospheric Pressure: According to the principles of fluid mechanics, all objects in the Earth’s atmosphere are subject to the force of gravity of the air, which is the atmospheric pressure. The atmospheric pressure acting on a unit area is the atmospheric pressure. The standard atmospheric pressure at sea level (1 atm)…

As we all know, there are various types of nozzles for SMT pick and place machines available on the market, categorized by materials such as tungsten steel, diamond steel, ceramic, plastic, aluminum, and iron. They also vary in shape, including round, square, V-shaped, and more. Choosing the appropriate nozzles can be a challenge for many…

The difference lies in their characteristics. QFN solder paste is specially formulated to address common issues encountered during SMT assembly with QFN components, such as inadequate soldering on the side, difficulty soldering on partially oxidized PCB pads, and challenges in soldering to the component itself. It offers excellent printability, even for IC pads with a…

In today’s electronic device manufacturing processes, many factories use lead-free solder flux composed mainly of rosin, resin, halogen-containing activators, additives, and organic solvents. While such fluxes offer good solderability and low cost, they leave behind high levels of residues after soldering. These residues contain halide ions, which gradually decrease electrical insulation performance and may lead…

Jigs and fixtures, despite the mere difference of a single letter, are often confused and sometimes misused. So, what exactly distinguishes a test fixture from a jig? Let Silman Tech elaborate on this in detail. Types of Jigs: Jigs can be classified into three main categories: process assembly jigs, project testing jigs, and PCB testing…

Zero emissions, environmentally clean and non-hazardous, The SMT steel mesh cleaning machine adopts a fully sealed cleaning method, with a multi-stage circulation filtration system. The cleaning agent can be reused, and waste solvents and debris are centrally treated. The solvent recovery machine can be used to recover 60-80% of the solvent. Reduces labor intensity, beautifies…

Circuit board cleaning technology is crucial for ensuring the quality and reliability of electronic products. PCBs serve as the backbone for electronic components and circuit connections, widely used in various sectors such as telecommunications, consumer electronics, computers, automotive electronics, industrial control systems, medical equipment, defense technology, aerospace, and more. The development level of the PCB…

With the increasing popularity and application of screen cleaning machines, more and more people are interested in learning about the related knowledge of these machines. Today, let’s briefly discuss the working principle and cleaning steps of the screen cleaning machine: Add cleaning solution, set the cleaning time, press the pneumatic button to start working, simple…

The classification of cleaning agents for steel mesh cleaning machines includes various types, broadly categorized into inorganic cleaning agents and organic cleaning agents. Generally, they are divided into water-based cleaning agents, semi-water-based cleaning agents, and solvent-based cleaning agents. Silman Tech has developed specialized equipment and products for cleaning SMT steel meshes, including fully automatic ultrasonic…

In the PCBA cleaning machine market, there are many outstanding brands. One of the most popular brands is: Silman Tech DEZ-C743 is an energy-saving and environmentally friendly integrated high-end cleaning machine for batch cleaning, capable of automatically completing cleaning, rinsing (open-loop/closed-loop), and drying functions. It is mainly used for cleaning various types of small batch…

The Silman Tech intelligent DEZ-C740 fully automatic stencil cleaning machine is a highly efficient device designed specifically for cleaning SMT red glue residue from stencils. In the electronics manufacturing industry, SMT red glue is a commonly used adhesive for securing electronic components on printed circuit boards. However, red glue residue may remain on the stencil…

Silman Tech’s intelligent DEZ-C743 offline PCBA circuit board cleaning machine is an efficient and convenient solution designed to clean rosin flux residue from PCBA circuit boards after soldering. This cleaning machine utilizes advanced cleaning technology to quickly and thoroughly remove residue left after soldering. Compared to traditional cleaning methods, the Silman Tech intelligent DEZ-C743 offline…

Several methods can be employed to address uneven solder paste printing on SMT stencils. SMT stencils are specialized tools used for printing circuit boards, and Surface Mount Technology (SMT) stencil technology refers to the process of assembling components without pins or short lead surface mount components on printed circuit boards or other substrates, followed by…

Reflow soldering is a common method of soldering in PCB processing. Reflow soldering fixtures are auxiliary devices designed to protect certain components on the PCB or assist in positioning plugs. Let’s discuss some tips to consider when making reflow soldering fixtures, hoping to be helpful to everyone. Firstly, it is important to note that the…

Maintenance and repair methods for Panasonic pick-and-place machine nozzles are crucial for the performance and longevity of the equipment. Below, we will discuss several aspects of maintaining and repairing Panasonic pick-and-place machine nozzles to assist you in properly maintaining your equipment. Firstly, let’s examine the maintenance methods for the suction nozzles of Panasonic pick-and-place machine…

Flux residue on circuit boards can lead to short circuits, signal interference, and even damage to components, negatively impacting the performance and reliability of electronic devices. Therefore, timely cleaning of flux residue is crucial. Different methods for cleaning circuit boards. What are the pros and cons of various cleaning methods?

PCBA stands for Printed Circuit Board Assembly, which refers to a component that has various electronic components (such as integrated circuits, resistors, capacitors, connectors, etc.) soldered onto a printed circuit board (PCB). PCBA circuit boards are utilized in a wide range of electronic devices, including smartphones, computers, home appliances, automotive electronic systems, and more. They…

During the manufacturing process, printed circuit board assemblies (PCBAs) often encounter various types of contamination, such as soldering residues, flux residues, and oil stains. These contaminants can adversely affect the performance and lifespan of PCBA. Therefore, it is essential to clean PCBAs during the manufacturing process. PCBA cleaning not only improves the quality and stability…

The pollution in PCBA processing originates from various sources, primarily from the assembly process, especially the soldering process. These sources of contamination include: The above-mentioned pollutants mainly stem from the assembly process, particularly the soldering process.

Printing screens made of ink (also known as ink screen) are vital instruments in printing to transfer ink onto printed materials uniformly. Normally, ink screens can be used again even though this relies on several aspects: Ink screens usually have metal or polymer compositions. Metal ones such as stainless steel are long-lasting and reusable more…

The role of Surface Mount Technology (SMT) in the process of solder paste printing in SMT assembly is important. In this case, the scraper blade plays an important part when using automatic printing machines for solder paste printing. Here are a few techniques to adjust and prepare scraper blades for SMT placement that may be…