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Cleaning is an important part of the repair work, cleaning quality has a great impact on the quality of mechanical repair. Using the correct cleaning method to improve the cleaning quality and reduce the cost is one of the problems that repair workers must consider. The cleaning in the repair work includes mechanical external cleaning and parts cleaning. Parts cleaning can be divided into pre-qualification cleaning, pre-assembly cleaning and part plating or pre-bonding work preparation for different purposes.
Pump parts cleaning, plating and bonding parts of the highest cleaning requirements, cleaning quality is not high, often causing the coating or bonding failure, and the quality of parts assembly cleaning, the service life of a great impact on the mechanical Serious unqualified cleaning, infiltration of a large number of friction in the deputy or a large number of abrasive lubricant blockage caused by road lubrication caused by the early mechanical wear and tear and accidental damage, some of the less formal repair work has occurred, we must pay attention.
Here are a few pieces of centrifugal pump cleaning. Specific clear the basic principles detailed later.
1) scrape off the inner and outer surface of the impeller and seals and bearings and other places accumulated scale and rust and other objects, and then water or compressed air cleaning, blowing clean.
2) Clean grease and rust accumulated on the joint surfaces of the pump housing.
3) Wash water seal tube and check whether the tube is smooth.
4) Wash bearings and bearings to remove grease, and then wash the oil ring and the oil surface meter. Ball bearing application of gasoline cleaning.
5) Parts and components that are not temporarily assembled should be oil-protected after cleaning.
The basic principle of centrifugal pump cleaning for all cleaning methods, must take full account of the following several basic requirements.
1) to ensure that meet the requirements of the degree of cleanliness of parts in the repair of the pump, a variety of mechanical parts, the degree of cleaning requirements are not the same .In the assembly, the cleaning requirements with parts higher than the non-mating parts, Parts are taller than static parts, precision parts are higher than non-precision parts. For spray, plating, bonding the surface of the workpiece, the cleaning requirements are high.Washing must be based on different requirements, using different cleaning agents and cleaning methods to ensure the required cleaning quality.
2) Prevent corrosion of parts, the precision parts are not allowed to have any degree of corrosion. When the pump parts to be parked for some time after cleaning, should consider the antirust ability of cleaning fluid or consider other anti-rust measures.
3) to ensure safe operation, to prevent fire or poison the human body and cause environmental pollution.
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