Spring chemical etching, and look at spring factory response!

Spring chemical etching, and look at spring factory response! In recent years, the spring surface finishing ( The whole) Treatment has also been spring designer. Finishing ( The whole) Process is the spring directly into the tilt centrifugal or spiral vibrating, eddy current type, etc. Series of finishing machine, and adding suitable amount of abrasive, abrasive, and water, to light the whole processing. General finishing about 20 ~ 30 min, the finishing time depending on the spring shape and unit quantity how many. Out light at the end of the spring, and rinse clean with water, and then into SM series water membrane replacement rust-proof oil took a few minutes later. When spring attached on the surface of a layer of 5 microns rust-proof oil film, the film protect spring from corrosion. This method greatly support the traditional processing of process, such as degreasing, cleaning, acid pickling, to hydrogen, etc. At present USES the finishing ( The whole) Process of the spring are: oil pump nozzle plunger spring and injector pressure regulating spring; The refrigerator compressor by supporting spring, etc. Finishing ( The whole) Processing and conventional oxide or coating process of spring, the performance between the two, Life) And corrosion resistance, not after being further experiment and practice, a more reliable conclusion. Corrosion of spring according to the reaction types can be divided into chemical corrosion and electrochemical corrosion. They are spring surface state of the change of the metal atoms into ion or electron gain and loss. If the surface of the spring metal simply react with surrounding medium, and spring cause corrosion according to chemical corrosion. Such as spring in particularly dry oxidation in the atmosphere generated oxide film, and a spring in the electrolyte and the impurities in liquid or the liquid in the liquid chemical changes, and so on, belong to chemical corrosion. If the spring contact with the electrolyte solution, produced by the action of micro cell corrosion electrochemical corrosion. Such as spring contact with acid or salt solution, such solution is electrolyte, due to reasons such as defects or impurities on the surface of the spring and the formation of a potential difference of different electrodes so that the spring constantly by electrolytic corrosion; And spring in moist atmosphere, for example, due to the atmospheric water vapor condensed water film on the surface of the spring or water droplets, and corrosive gas from the atmosphere, Such as industrial waste gas of sulfur dioxide and hydrogen sulfide or Marine atmosphere, salt fog, etc. ) Dissolved in the water film or water droplets formed in the electrolyte. Plus spring metal impurities or defects also form different electrode potential difference, spring also produces electrolytic corrosion. The electrochemical corrosion. Spring by chemical etching is small, slow, and the electrochemical corrosion is the main and common. But in general chemical corrosion and electrochemical corrosion existing at the same time. In the spring spring manufacturer in the process of manufacture, storage, use and so on, often suffer from corrosion of surrounding medium. Because the spring is at work on elastic function, spring after spring corroded changes and loss of function. So to prevent the corrosion of spring can guarantee the working stability of the spring, and extend its service life.
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