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Analysis: anti-rust processing technology for imported bearings
Source: China Bearing Network Time: 2018-03-13
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2, anti-rust auxiliary materials for the quality of anti-rust data directly affects the quality of product processing; so when the use of anti-rust data; first physical and chemical function testing according to quality requirements; qualified after the pilot test; meet the needs of the process Use in large quantities. Select the rust-proof auxiliary materials to be used; after entering the factory, strictly test according to the quality specifications of different materials; after the qualified, it can be distributed and applied by the supply part. During the application process, the anti-rust data and the manufactured solution are periodically processed. To ensure that the concentration and proportion of the solution meet the process requirements; to reach the application function. Establish a good material inspection standard and quality inspection specifications; provide a firm guarantee for the rust prevention operation.
3, cooling water treatment cooling water in the bearing processing, the first to cool, smooth, clear, anti-rust and other effects; its correct use and protection directly affect the surface quality of the machined parts; affect the life of the tool. Luo axis The cooling water used can be roughly divided into three types: soda water, emulsion and composition grinding liquid; it is mainly used for the circulation of more than 50 tons of tank liquid; the grinding wheel, iron filings and oil stains of the grinding products are very simple. The cooling water is smashed and smashed; the burned and rusted parts are formed. The scientific treatment of the cooling water is strengthened; the function of the cooling water can be improved; the quality of the product can be improved; and the cost of cooling water can be reduced.
.1) Sample and test the cooling water twice a week; know the useful content, pH value, rust resistance, smoothness, etc. of the cooling water; find the problem and adjust it in time.
.2) Timing slag removal, filtration; reducing bacterial growth sources.
.3) often start compressed air mixing (especially holidays); damage the growth environment of anaerobic bacteria; usefully prevent the proliferation of anaerobic bacteria.
.4) When replacing the cooling water; tidy up the clean circulation tank, pipeline, return well and sterilize and dispose of it.
.5) Regularly add sterilizing agent in cooling water; kill bacteria; prevent erosive substances from occurring.
.6) to prevent miscibility between different coolants; to prevent component imbalance; affect the function and cycle.
.7) Harmonize the connection between the use and handling of cooling water; strengthen the application and protection of the site; and immerse the source of pollution.
4. Anti-rust treatment during the process of metal in the process of processing often with the dust, moisture and acid mist and other atmospheric environment will be rusted; and after the heat treatment, the residual salt is not clean; pickling, acid paste cleaning neutralization is not complete; demagnetization It is not clean with the end of the grinding wheel, iron scraps, hand sweat, etc. It is very simple to form the bearing corrosion. Therefore, it is ensured that the workpiece will not be lost during the processing; the bearing parts that stay between the processes must take a useful anti-rust method.
.1) Establish anti-rust storage; use mechanical spray method; spray 2-3 times per shift; 10-15 minutes each time; collect anti-rust treatment for bearing parts.
.2) Regularly remove all kinds of anti-rust equipment; strictly manufacture anti-rust liquid, cleaning liquid and cooling water according to the process; time test and adjustment; replace as scheduled.
.3) Bearing parts after flaw detection and grinding shall be demagnetized first, cleaned with cleaning liquid and then stored in the warehouse for rust prevention.
.4) After the bearing parts are pickled or written with acid characters; be sure to clean them; neutralize them completely; then use anti-rust water to prevent rust.
.5) Stop using cold water, cleaning liquid to wash hands, wash cloth, etc.; to ensure the cleanliness and function of the application liquid; extend the life of the liquid.
.6) Do a good job in civilized production; ensure environmental sanitation; eliminate the risk of corrosion.
5, product bearing anti-rust handling products bearing anti-rust oil after sealing packaging; can prevent the impact of the atmospheric environment during storage and transportation; rust and mildew; affect the use of functions.
.1) The bearing of the product is sprayed with two times of fire oil mechanical spraying; mechanical spraying of rust-proof and smooth dual-purpose oil; polyethylene sealed packaging.
.2) Before the spray of kerosene, the rust-proof and smooth oil should be filtered with the filter element with satisfactory process requirements before spraying; ensure the cleanliness of the bearing of the product; the fuel tank and the machine tool are completely finished once a month.
.3) When the observer and installer touch the parts and bearings of the product; apply liquid gloves; prevent rust due to hand sweat.
.4) Handle the product during the transfer and storage process; prevent the package from being damaged.
.5) The installation room and product bearing storage room should be boring, clean and free from pollution.
In summary, anti-rust handling is a comprehensive handling operation; it should be handled in a scientific way; strengthen leadership; mobilize the masses; educate people on rust prevention; improve the technical level of personnel; Personnel and mass rust prevention operations are combined; everyone starts; talents can do a good job of rust prevention; ability to ensure product quality progress.
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