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Surface Standards That Define High-Grade Accumulators

When defining the surface standards of advanced accumulators, we can refer to the following criteria for point representation and induction, while combining relevant numbers and information for explanation:
Surface smoothness:
The surface smoothness of the accumulator directly affects its fluid transfer efficiency and durability. Advanced accumulators typically require a surface finish of Ra value lower, such as Ra ≤ 0.8 μ m (micrometers), to ensure smooth fluid flow, reduce resistance and wear.
Surface flatness:
A flat surface helps to evenly distribute fluids inside the accumulator, reducing the risk of leakage and accumulation. The surface flatness requirements of advanced accumulators are usually high, and high-precision processing and testing methods are used to ensure that the surface has no obvious bumps or deformations.
Anti corrosion and protective coatings:
In corrosive environments, the surface of the accumulator needs to be coated with high-quality anti-corrosion coatings to protect it from chemical erosion. Advanced accumulators typically use coating materials with excellent corrosion resistance, such as epoxy, polyurethane, etc., and undergo strict coating thickness and hardness testing to ensure uniform coating, no peeling, no bubbles, and good corrosion resistance.
Surface cleanliness:
The cleanliness of the accumulator surface is crucial for its performance and service life. The advanced accumulator strictly controls the cleaning process during the production process to ensure that the surface is free of impurities such as oil and dust. The evaluation of cleanliness is usually carried out through visual inspection, residue testing after chemical cleaning, and other methods.
In summary, the surface standards of advanced accumulators include smoothness, flatness, anti-corrosion and protective coatings, cleanliness, quality of connection and sealing parts, wear resistance, and compliance with industry standards and certifications.



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