Introduction to the cleaning content of high-strength bolts

2023/07/30

Fastener cleaning refers to the liquid and solid environmental pollution chemicals represented by high-strength bolts, so that the surface of the fasteners can ensure a certain clean room level. Cleaning is an intermediate production process that cannot be ignored in the fastener production process. Environmentally polluting chemicals on the surface of fasteners directly enter the heat treatment furnace or run in the production line, volatilize or ignite, which can easily cause environmental pollution. Cleaning belongs to the category of green environmental protection. The cleaning process is the interaction between cleaning chemicals, pollution components and the surface of fasteners. It is a process of intricate physical and chemical effects. Here we will explain in detail a high-tech method of removing taper wires that is currently more popular, and I hope it will be of some help to you. Ultrasonic cleaning technology generally requires cleaning temperature: Generally, the ultrasonic cavitation effect is best at 30~40°C, the higher the temperature, the more effective the cleaning agent is. General ultrasonic cleaning, use 40 ~ 60 ℃ working temperature. ⑤Ultrasonic cleaning process: ultrasonic cleaning→ultrasonic dipping→self-spray dipping→drying and other processing techniques. Ultrasonic cleaning technology is an efficient and environmentally friendly surface cleaning technology. At present, the application of this technology has been very sound and widespread, and more than 80% of foreign companies have used this technology. Compared with other cleaning methods, ultrasonic cleaning shows a great advantage. The use of ultrasonic cleaning gradually replaces the traditional cleaning process, which is beneficial to cleaning fasteners with complex shapes. For general degreasing, anti-rust treatment and other manufacturing processes, it only takes 2-3 minutes to carry out under the action of ultrasonic waves, and the speed is several times or even dozens of times that of traditional methods. For airline high-strength bolts, crankshaft anchor screws, and motorcycle engine anchor screws, the cleanliness level of ultrasonic cleaning can fully guarantee the standard, and good expected results can be obtained, saving organic solutions, electric energy, and engineering construction sites and human resources etc. The appropriate cleaning agent can be selected according to the type of fastener waste and the cleaning process (such as spraying, soaking, ultrasonic, etc.). Common cleaning agents include water-soluble cleaning agents, organic chemical aqueous cleaning agents and nitrogen oxide cleaning agents. Water-based cleaning agents use water-based cleaning agents, which have strong stain removal capabilities and good cleaning characteristics, and can replace gasoline, xylene, tetrachloroethylene and other organic chemical solutions. This product is a cleaning agent, and it not only has a certain anti-corrosion treatment ability for high toughness.

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