How to use cleaning liquid for parts of small rollers
In the use of small roller, due to the surrounding complex environment, may be contaminated, forming a variety of oil. This kind of oil cleaning can not be washed with the dirty, need a special lotion. Here we will talk about how to use cleaning liquid cleaning small roller parts.
The oil pollution of construction machinery parts such as mini roller is mainly caused by non saponified oil and dust, impurities, etc..
Non saponified oil can not react with strong alkali, such as mineral oil and lubricating oil, insoluble in water, but soluble in organic solvents. There are two kinds of chemical and electrochemical methods to remove such oil; common cleaning liquid is organic solvent, alkaline solution and chemical cleaning liquid, etc.; cleaning methods are manual cleaning and mechanical cleaning two kinds.
Organic solvent. Kerosene, light diesel oil, gasoline, acetone, alcohol and trichloroethylene are common. The oil can be dissolved in this way to dissolve various kinds of grease. The utility model has the advantages of no heating, simple use, no damage to metal, and good cleaning effect. The disadvantage is that most are flammable, high cost, suitable for precision parts and should not be washed with hot alkaline solution parts, such as plastics, nylon, leather, felt parts. But pay attention to rubber parts can not be cleaned with organic solvents.
Two. Alkaline solution. Alkaline solution is an aqueous solution of alkali or alkaline salt. It uses emulsifier to remove oil from emulsified oil. It is one of the most widely used cleaning solution.
Emulsification is a liquid that forms very fine particles and distributes evenly in another liquid. Adding emulsifier into alkaline solution to form emulsion can reduce the surface tension and adhesion of the oil film, and break the oil film into tiny oil droplets, and then no longer return to the metal surface to remove oil pollution. The commonly used emulsifiers are soap, sodium silicate, bone glue, gum, triethanolamine, synthetic detergent, etc.. It should be noted that different cleaning parts should be used for cleaning different materials. Alkaline solution has a corrosive effect on metals in varying degrees, especially for aluminum.
When alkaline solution is used, the solution should be heated to 80~90 centigrade. After removing oil, flush with hot water, remove the residual alkali solution on the surface to prevent the parts from corrosion.
Three. Chemical cleaning liquid. Is a chemical synthesis of water-based metal cleaning agent configuration of water solution, metal cleaning agent in the surfactant based, has a strong decontamination ability. In addition, there are some additives in the cleaning agent, which can improve or increase the corrosion resistance, rust prevention, coke removal and other comprehensive properties of metal cleaning agent.
The principle of cleaning liquid is added into the first wet surface, and then into the dirt and the parts contact interface, make the dirt off, from the part surface dispersed or dissolved in the cleaning liquid, emulsion, suspension or formed on the surface of parts, cleaning parts to achieve.
Chemical cleaning liquid cleaning agent configuration of the common LCX-52 water-based metal cleaning agent, metal cleaning agent, CW JSH, metal cleaning agent, cleaning agent, D-3 metal DJ-04 metal cleaning agent, cleaning agent, washing agent NJ-841 817-C, CJC-8 liquid metal cleaning agent.
The preparation method, concentration, cleaning temperature and heating measures of the cleaning agent must strictly comply with the requirements of the instructions. When the manual cleaning should strictly control the temperature, usable brush, cleaning wipes. If there is a serious oil or coke, steel wire brush. It should be soaked in a certain time before washing, to meet the needs of wetting and soaking. Cleaning can be divided into coarse washing and fine cleaning, cleaning liquid if the oil is not serious, you can skim the upper floating oil, again use.
Thus, the cleaning of engineering machinery parts is also a knowledge. These cleaning agents are different from water, and have special properties. Therefore, first of all, to avoid corrosion, to clean in a safe environment, to maintain the parts, in order to make roller better for us.