In order to achieve mechanical operation requirements such as lubrication and heat dissipation in hardware processing, it is necessary to add metal processing aids such as stamping oil and stretching oil. However, the surface of the processed hardware will have a lot of dirt. Therefore, how to remove the dirt on the hardware. There are many types of dirt on the hardware, such as oil, grease, fingerprints, metal dust, and some watermarks.
If we want to clean them all at once, then we must have a comprehensive cleaning agent, usually recommended water-based cleaning agents. There are many water-based cleaners on the market, such as the CLF-700. According to the different materials of the hardware, it is also divided into: stainless steel cleaning agent, aluminum cleaning agent, copper cleaning agent, galvanized sheet cleaning agent, multi-functional cleaning agent and so on.
Hardware processing depends on the quantity, so the batch quality of cleaning is very important. For this requirement, the cleaning method can be immersed or ultrasonically cleaned.
Soaking is very simple. Take the CLF-700 mentioned above as an example. The CLF-700 is exchanged with 50-60 degrees of hot water to a 5% working solution. Then use a mesh basket to load the hardware and soak it directly into the cleaning solution. After 1-2 minutes, the washing basket is lifted up and down to play a role of washing. Soak for another 1-2 minutes, then rinse again and remove. After that, the surface cleaning liquid is removed by washing with water several times. Finally, according to the hardware structure, water removal and drying can be used.
There are two main points to note. One is the water after washing, the principle of washing clothes is similar, it takes too much or two to completely remove the cleaning solution. In addition, tap water contains a lot of impurities, leaving a circle of watermark after drying. If the surface of the hardware is high, pure water should be used in the last water rinse.
The ultrasonic cleaning method is the same as the immersion method, except that the ultrasonic cleaning is used for cleaning and cleaning. It should be pointed out that the ultrasonic wave only assists in enhancing the cleaning effect, and the key to the cleaning of the hardware is the cleaning agent.
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Tag: Hardware processing Cleaning
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