The previous article talked about how bearing manufacturers should do a good job in bearing rust prevention. This article will explain in detail what methods bearing manufacturers use to prevent rust. 1. Surface cleaning method; Cleaning must be done according to the characteristics and conditions of the surface of the anti-rust object, and an appropriate method should be selected. The common ones are organic solvent cleaning method, organic chemical solution cleaning method and mechanical equipment cleaning method. When the surface is dry and clean, it can be compressed and dried with filtered dry air, or with an air dryer at 120~170°C, or it can be wiped with clean gauze. 2. The method of coating anti-rust oil (1) Soaking method: The bearing manufacturer will soak the bearing in the anti-rust grease, and let the surface adhere to a layer of anti-rust vegetable grease. The thickness of the grease can be achieved by controlling the temperature or viscosity of the anti-rust grease. (2) Brushing method: It is used for large and medium-sized bearings that are not suitable for soaking or painting. When brushing, not only pay attention not to cause deposition, but also pay attention to avoid missing coating. (3) Spray method: The large bearings of some bearing manufacturers cannot be oiled by soaking. Generally, filter air with a pressure of about 0.7Mpa is used to spray paint in the air cleaning area. The spray method can use organic solvent diluent type anti-rust oil or chromatography anti-rust oil, but sound fire safety and work safety measures must be adopted. Related articles: How should bearing manufacturers do a good job in bearing rust prevention? Only when the torque is accurate can the rotation be stable!
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