Copper strip production procedure
Making ingredients: According to the alloy element structure of different brands, make percentages according to actual demands and execute initial processing.
Smelting: Thaw the ingredients in the melting heater. At the exact same time, heater evaluation is called for. Typically, chemical analysis and optical range analysis, and the percentage and feeding are changed in time according to the analysis results.
Ingot casting: There are up drawing methods, semi-continuous casting, straight constant casting, iron mold casting, and so on. Semi-continuous spreading describes the downward flow of liquified water, with the benefit of the very best precision. The upward illustration approach describes the upward circulation of molten water, with the benefit of great accuracy. Straight continuous casting refers to the straight illustration of liquified water, cooling and straight on the rolling mill, and rolling it into coils, with the negative aspect of poor accuracy. Iron mold spreading refers to the straight putting of molten water into the iron mold, with the negative aspect of the most awful accuracy.
(copper strip)
Milling: Surface area processing of ingots.
Warm rolling describes the rolling of bad ingots after heating but before cooling down, without annealing.
Straightening-milling: the surface of the ingot is rough, and the internal framework hangs.
Cold rolling refers to the process of heating and cooling the billet while annealing and rolling.
Annealing: Bell heater annealing is normally made use of for semi-finished items; annealing is consistent however controlled by thickness, and hardness is regulated by annealing time.
Pickling: Clean the dust after annealing, and pickling is usually needed after annealing.
Ending up (intermediate) rolling: The surface area is extremely smooth, and the interior framework is reasonably consistent and tight.
Cleansing and leveling: Establish the flatness of the plate surface area.
Longitudinal shearing or transverse shearing: The copper strip to be separated into strips is longitudinally sheared and rolled currently, and the plate is transversely sheared right now.
Evaluation: Conduct mechanical residential properties and chemical composition examinations
Packaging and warehousing: Examine products with qualified quality, mark and register them for warehousing as called for.
Technique for dealing with discoloration of copper strip surface area
Control the focus of acid during pickling. When the acid focus is high, the recurring acid connected to the surface area of the copper strip is difficult to clean off and increases the contamination of the cleansing water, which is very easy to triggers the recurring acid focus in the cleansing water to be expensive, making the copper strip after cleansing most likely to change color. When determining the concentration of the pickling remedy, try to decrease its concentration as much as possible while being able to clean the oxide layer on the surface of the copper strip.
Control the conductivity of pure water. Control the conductivity of distilled water that is, manage the web content of damaging materials such as chloride ions in distilled water.
Control the conductivity of warm cleansing water and passivation representative. The rise in the conductivity of hot cleansing water and passivation agent is mainly because of the residual acid brought right into the running copper strip. Under the problem of making certain the quality of the distilled water made use of for cleansing, regulating the conductivity suggests managing the quantity of recurring acid.
Ensure that the copper strip is completely dry. Partially shut the outlet of the air padding furnace coiling, and use a dehumidifier and air conditioning system in the local closed gadget to manage the humidity and temperature level of the copper strip during coiling within a certain array.
Regarding Copperchannel
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