Detailed Introduction

During long-term operation, it is common to experience wear on the bearing housing of the water pump bearing frame, wear on the bearing position, cracking and rupture of the pump body, cavitation and erosion wear of the water pump. After the above problems occur, the traditional solution for enterprises is to repair them by welding or brushing and plating, but both have certain drawbacks: the thermal stress generated by high temperature welding cannot be completely eliminated, which can easily cause material damage and lead to bending or fracture of components; However, electric brush plating is limited by the thickness of the coating and is prone to peeling off. Both methods use metal to repair the metal and cannot change the "hard to hard" fit relationship. Under the combined action of various forces, it will still cause further wear. Contemporary Western countries often use polymer composite materials as a repair method for the above problems, which have strong adhesion, excellent compressive strength and other comprehensive properties. The application of polymer materials for repair can be done without disassembly or machining. There is no influence of welding thermal stress, and the repair thickness is not limited. At the same time, the metal material of the product does not have the flexibility, which can absorb the impact and vibration of the equipment, avoid the possibility of further wear, and greatly extend the service life of equipment components, saving a lot of downtime for enterprises and creating huge economic value.

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