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…
There are several preventive measures to consider in wave soldering. Firstly, it’s essential to improve the PCB manufacturing process to enhance the cleanliness of the hole walls. This includes improving PCB packaging processes and storage conditions. It’s important to minimize dwell time on insertion lines as much as possible. The process from PCB depanelization, component…
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…
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