Copper belt production process, copper belt discoloration, this can be solved Copper Extrusions

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Copper strip production process

Making active ingredients: According to the alloy element make-up of different brand names, make percentages according to actual needs and carry out initial handling.

Smelting: Melt the components in the melting heater. At the same time, heating system evaluation is called for. Typically, chemical evaluation and optical range evaluation, and the percentage and feeding are readjusted in time according to the analysis results.

Ingot casting: There are upwards drawing approaches, semi-continuous casting, horizontal continuous spreading, iron mold and mildew casting, etc. Semi-continuous casting refers to the downward flow of molten water, with the benefit of the very best accuracy. The higher drawing technique describes the higher circulation of liquified water, with the benefit of good accuracy. Horizontal constant spreading describes the straight illustration of liquified water, cooling down and straight on the rolling mill, and rolling it into coils, with the negative aspect of inadequate accuracy. Iron mold and mildew spreading describes the direct pouring of molten water right into the iron mold, with the disadvantage of the worst accuracy.

Copper belt production process, copper belt discoloration, this can be solved Copper Extrusions插图

(copper strip)

Milling: Surface processing of ingots.

Warm rolling refers to the rolling of negative ingots after home heating yet before cooling, without annealing.

Straightening-milling: the surface of the ingot is rough, and the inner structure is loose.

Cold rolling refers to the process of home heating and cooling the billet while annealing and rolling.

Annealing: Bell furnace annealing is generally made use of for semi-finished items; annealing is consistent yet controlled by thickness, and hardness is controlled by annealing time.

Pickling: Clean the dust after annealing, and pickling is typically called for after annealing.

Completing (intermediate) rolling: The surface is really smooth, and the inner framework is reasonably uniform and tight.

Cleaning up and leveling: Determine the monotony of home plate surface area.

Longitudinal shearing or transverse shearing: The copper strip to be split right into strips is longitudinally sheared and rolled currently, and home plate is transversely sheared right now.

Assessment: Conduct mechanical properties and chemical structure examinations

Product packaging and warehousing: Inspect products with qualified quality, mark and register them for warehousing as required.

Approach for treating discoloration of copper strip surface

Control the focus of acid throughout pickling. When the acid concentration is high, the recurring acid connected to the surface area of the copper strip is not easy to clean off and accelerates the pollution of the cleaning water, which is easy to creates the recurring acid focus in the cleansing water to be expensive, making the copper strip after cleaning more probable to transform color. When identifying the concentration of the pickling solution, attempt to lower its concentration as much as feasible while having the ability to cleanse the oxide layer externally of the copper strip.

Control the conductivity of pure water. Control the conductivity of pure water that is, regulate the material of dangerous substances such as chloride ions in distilled water.

Control the conductivity of warm cleansing water and passivation agent. The boost in the conductivity of hot cleansing water and passivation representative is mostly due to the recurring acid brought into the running copper strip. Under the problem of ensuring the high quality of the distilled water utilized for cleansing, managing the conductivity means managing the quantity of recurring acid.

Ensure that the copper strip is dry. Partly close the outlet of the air cushion heating system coiling, and make use of a dehumidifier and ac system in the local closed gadget to control the moisture and temperature level of the copper strip throughout curling within a specific variety.

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