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Why use nitrogen for selective wave soldering
2020-09-04
Nitrogen knowledge
Why use nitrogen for selective wave soldering
The ultimate goal of all welding equipment or tools is to get better solder joints. Selective wave soldering is a high-precision end-to-point soldering method among all soldering methods; in order to increase the quality and reliability of solder joints. All selective welding equipment is added with nitrogen protection part. Nitrogen is an inert gas, which can improve the wetting ability of the welding surface of the component and the printed board, reduce the degree of oxidation, and accelerate the welding reaction speed. Compared with welding in an air environment, welding in a nitrogen environment can theoretically reduce the required welding temperature, reduce process defects, and form good solder joints.
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Dongguan Ruibang Nitrogen Purification Equipment Co., Ltd.
2018-11-05
Company News
Dongguan Ruibang Nitrogen Purification Equipment Co., Ltd.
Dongguan Ruibang Nitrogen Purification Equipment Co., Ltd. is a professional industrial gas equipment manufacturing and supply company established by the technical guidance of Taiwan Lianxing Air System Industrial Co., Ltd. Dongguan Ruibang Nitrogen Purification Equipment Co., Ltd. aims to integrate the design and manufacture of gas equipment Multi-consistent services such as, installation, etc., provide the industry with a full range of industrial gas solutions. Dongguan Ruibang Nitrogen Purification Equipment Co., Ltd. has high quality, advanced process, low energy consumption, and high degree of equipment automation. In addition to independent research and development of products, it also cooperates with professional manufacturers at home and abroad, and has established a manufacturing plant in Dongguan, China. We have bases in Eastern China, Southern China and Taiwan, providing safe, convenient and reliable on-site supply equipment for the industry. We also manufacture and sell high-performance and low-energy gas boosters and sell foreign imported precision filters and filters.
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Active oxygen air purification equipment is applied to
2018-11-05
Industry News
Active oxygen air purification equipment is applied to
Active oxygen air purification equipment is applied to
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Membrane separation technology and application introduction
2018-11-05
Industry News
Membrane separation technology and application introduction
Membrane is a material with selective separation function. The process of using the selective separation of the membrane to realize the separation, purification and concentration of different components of the feed liquid is called membrane separation. It is different from traditional filtration in that the membrane can be separated in the molecular range, and this process is a physical process that does not require phase changes and additives. The pore size of the membrane is generally micron. According to the difference of its pore size (or called the molecular weight cut-off), the membrane can be divided into microfiltration membrane, ultrafiltration membrane, sodium filtration membrane and reverse osmosis membrane. According to the different materials, it can be divided into Inorganic membranes and organic membranes, inorganic membranes are mainly microfiltration membranes, mainly ceramic membranes and metal membranes.
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The basic concept of gas
2018-11-05
Company News
The basic concept of gas
Mass, volume, specific volume Mass is the weight of gas, often expressed in milligrams (mg), grams (g), kilograms (kg), and tons (t). Volume refers to the volume of the container in which the gas is located. It is often expressed in cubic millimeters (mm3), cubic centimeters (cm3), and cubic meters (m3). The specific volume is the volume occupied by the substance per unit weight, which is represented by the symbol V, the specific volume of gas is represented by m?/kg, and the specific volume of liquid is represented by l/kg. Pressure, pressure, atmospheric pressure, absolute pressure, relative pressure The force generated by the impact of gas molecules on the container wall when they are in motion is called pressure. The pressure generated per unit area of ​​the container is called pressure. The unit of pressure is customarily used millimeter mercury (mmHg)/square centimeter (cm2), internationally accepted (legal measurement) Pa (Pa), kilopascal (kPa), megapascal (MPa). After conversion, 1mmHg=133.3Pa=0.1333kPa,
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