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What are the ways to deal with the rust of oil-free bearings

Author:admin   Date:2022-07-22
Oil-free bearings can cause rust and other phenomena due to different environments. If the bearing is rusted, it will affect the normal operation of the self-lubricating bearing and cause unnecessary losses. So, how to prevent oil-free bearings from rusting?

Surface cleaning: Cleaning must select an appropriate method according to the nature of the surface of the antirust and the conditions at that time. Commonly used are solvent cleaning method, chemical treatment cleaning method and mechanical cleaning method.

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

In addition, oil-free bearings can also be coated with anti-rust oil. The specific methods are as follows:

1. Immersion method: Some small items are immersed in anti-rust grease, and a layer of anti-rust grease is adhered to the surface of the oil-free bearing. Oil film thickness can be achieved by controlling the temperature or viscosity of the anti-rust grease.

2. Brushing method: It is used for outdoor construction equipment or products with special shapes that are not suitable for immersion or spraying. When brushing oil-free bearings, attention should be paid not only to avoid accumulation, but also to prevent leakage.

3. Spraying method: Some large antirust objects cannot be oiled by immersion method. Generally, the compressed air with a pressure of about 0.7Mpa is used for spraying in a clean air place. The spray method is suitable for solvent-diluted anti-rust oil or thin-layer anti-rust oil, but perfect oil-free bearing protection measures must be adopted.

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