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Kate Northeast General Agent introduces the factors causing rust in ball screws and maintenance methods

Publish Time：

2022-09-15

Influence Ball screw Main factors of metal corrosion: Metal corrosion is caused by various internal and external factors. In summary, the main factors are:

① Chemical composition and structure of the metal material itself

② Surface finish of the metal (oxygen concentration difference battery corrosion)

③ Composition and pH value of the solution in contact with the metal surface

④ Ambient temperature and humidity

⑤ Various environmental media in contact with the metal surface.

Rust prevention of ball screw: Surface pretreatment of the rust-proof material:

① Surface cleaning: Cleaning must be selected according to the nature of the surface of the rust-proof material and the current conditions. Commonly used methods include solvent cleaning, chemical treatment cleaning, and mechanical cleaning.

② Surface drying: After cleaning, it can be dried with filtered dry compressed air, or dried in a dryer at 120~170℃, or wiped dry with a clean gauze.

③ Brush coating method: Used for outdoor construction equipment or products with special shapes that are not suitable for immersion or spraying. When brushing the ball screw, attention should be paid to preventing accumulation and leakage.

Screw maintenance: If the product is not used within one month after purchase, please pay attention to rust-proofing the ball screw to prevent rust due to humidity. Due to the difference in humidity in different regions, the rust-proofing time should also be adjusted accordingly. Secret of ball screw rust prevention method: Applying rust preventive oil: Immersion method: Some small items are immersed in rust preventive grease to allow their surfaces to adhere to a layer of rust preventive grease. The oil film thickness can be achieved by controlling the temperature or viscosity of the rust preventive grease.

Ball screw, ball screw, linear guide screw, Northeast general agent

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