Surface treatment technology for side plate of hydraulic gear pump
A、 Method of surface treatment technology for side plate of hydraulic gear pump 1. Mechanical processing Mechanical processing is the most basic method for surface treatment of gear pump side plates, including milling, turning, polishing, etc. These methods have the advantages of simple operation and easy control, but cannot meet the high-precision requirements. 2. Chemical treatment Chemical treatment is a method of changing the surface properties of the side plate of a gear pump using chemical reagents such as acids, bases, and oxidants. The disadvantage of this method is that the treated surface is susceptible to corrosion, so corresponding coatings need to be used for protection. There are also some more complex methods of chemical treatment, such as plasma treatment, nitriding, etc., which can achieve better surface hardness and wear resistance. 3. Thermal spraying Thermal spraying is a commonly used surface treatment method that can increase the hardness, wear resistance, and corrosion resistance of the side plate surface of gear pumps. There are various methods of thermal spraying, such as alumina thermal spraying, tungsten steel thermal spraying, etc. B、 The significance of surface treatment technology for hydraulic gear pump side plate The side plate of the gear pump is one of the key components of the gear pump, and its surface treatment quality will directly affect the performance and service life of the gear pump. Common surface treatment methods include mechanical processing, chemical treatment, heat treatment, etc. Among them, mechanical processing is the most basic surface treatment method, but its roughness is high, making it difficult to achieve high precision requirements. Therefore, more advanced technology is needed for the treatment of the side plate surface of the gear pump. C、 Process flow of surface treatment for gear pump side plate 1. Cleaning preparation Firstly, the oil stains and dust on the side plate of the gear pump need to be cleaned and removed. 2. Preprocessing Choose different pretreatment methods based on specific situations, such as passivation, oxidation, etc. 3. Surface treatment Choose appropriate surface treatment methods, such as thermal spraying, etc. 4. Surface finishing Trim the side plate of the gear pump after surface treatment, including grinding, polishing, cleaning, and other operations. D、 Conclusion Based on the above analysis, we can draw the following conclusions: 1. Different surface treatment methods need to be selected according to specific situations to achieve optimal results. 2. Choosing appropriate surface treatment methods can improve the quality of the side plate surface of the gear pump. 3. Advanced surface treatment methods such as thermal spraying can significantly improve the performance and service life of gear pumps.
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