Technological innovations have contributed to increasing the efficiency of the electroplating process. Thanks to the use of automatic monitoring systems or efficient immersion heaters, it is possible to achieve better operating parameters and reduce the risk of costly errors. See how you can improve electroplating for optimal performance.
Electroplating process - what does it consist of?
Electroplating is the process of depositing thin metallic coatings on the surface of a metal product to produce a durable layer that protects against corrosion. The term “electroplating bath”, on the other hand, describes an aqueous solution of the chemical compounds used during the treatment. Changes in the structure of metals occur as a result of the application of electrical voltage. Galvanic baths take place in special tanks using devices such as: filter press, rectifiers or galvanic heaters.
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Before starting the galvanic bath, the metal is carefully cleaned, degreased and etched. The aqueous rotor, used during processing, is an electrolyte, that is, a substance that conducts current. The current source is a rectifier selected for a particular process. The flow of current through the electrodes leads to the formation of electrolytic layers on the surface of the product (so-called galvanic coatings). The electroplating process takes place in two stages - after the release of metal ions from water molecules, crystallization embryos are formed, which subsequently form a protective coating.
Galvanic separation - safety of the electroplating process
High safety requirements and the desire to optimize machining processes require the use of advanced technological solutions such as galvanic separation. Isolation protects users and electronic systems from high electrical voltages and is used when at least two systems are to exchange information or energy, and their electrical masses have different potentials. The galvanic barrier makes the signals between the elements transmitted without the flow of current.
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Separation not only separates the part of the circuit located at a potential that is dangerous to the rest of the circuit or service, such as the power grid, but also eliminates any interference that accompanies the flow of current and results from the common ground. Improper galvanic insulation increases the risk of current penetration into unwanted areas, which in turn can lead to dangerous situations.
Immersion heaters for galvanic bath
Choosing the right galvanic heater is crucial to achieve high machining efficiency. Heating elements can be adapted for both horizontal and vertical operation. Devices can be adapted for installation on the edge of the bath, in the lid and even the side wall. To optimize the electroplating treatment, it is best to choose stainless steel heaters, which have above-average corrosion resistance, are durable and have temperature limiters. Modern heating elements are often equipped with “dry” heating protection systems that protect against fire and equipment damage.
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