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Methods to prevent needle roller bearings from rusting
The process of producing needle roller bearings is very strict. During the production process, needle roller bearings often encounter strong corrosive substances such as acid and alkali (interpretation: refers to decay, disappearance, erosion, etc.) It will make it rust, so today we will teach you a few ways to make it not rust, come and see. The side roller of the bolt roller bearing is the second bearing body in a set of composite rollers. It mainly bears the horizontal load, and also has strong impact resistance, wear resistance and corrosion resistance. The side rollers are designed with full needle rollers without inner ring, and a mandrel replaces the inner ring and the shaft head to connect and carry. Methods to prevent needle roller bearings from rusting: 1. Immersion method: Some small NSK bearings are immersed in anti-rust grease, and the thickness of the oil film can be controlled by controlling the temperature or viscosity of the anti-rust grease. to reach. A method of applying a layer of anti-rust grease to its surface. 2. Brushing method: When brushing, pay attention to evenly apply it on the surface of the NSK bearing, do not cause accumulation, and also pay attention to prevent leakage. 3. Spraying method: Some large rust preventives are not suitable for oiling by immersion method. Generally, the filtered compressed air with a pressure of about 0.7Mpa is used for spraying in a clean air place. Roller bearing combination Roller bearing consists of main roller, side roller, shaft head and cover plate. The bearing is a sealed structure, filled with grease to provide long-term effective lubrication, and users can avoid lubrication. For harsh operating conditions, a channel for supplementing grease can be designed to improve bearing service life. The composite roller bearing is the part of the connection between the composite roller and the machine equipment. Usually the head of the shaft head is designed to be chamfered, which is convenient for installation. The shaft head can be directly welded to the equipment, or the shaft head can be welded to the connection with a round hole. Then assemble the connection board and equipment on the board. The spray method is suitable for solvent (appearance: transparent, colorless liquid) diluted (dilute) type anti-rust oil or thin-layer anti-rust oil. This method must use perfect fire protection and labor protection measures (meaning solutions to the problem). The above three methods can effectively prevent the needle roller bearing from rusting. I sincerely hope that our introduction can help you.
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