Galvanized Sheet Metal and its Use in Electronic Products

Metals and Mining Review | Friday, September 25, 2020

Sheet metal fabrication is used for manufacturing sheet metal parts for electronic goods.

FREMONT, CA: Galvanization is one of the most popular methods of sheet metal fabrication, where a protective zinc coating is added to steel or aluminum to avoid rusting. This is essentially immersing metal parts in a bath of molten zinc to protect the metal. It acts as a sacrificial anode, which is key to the galvanic cathodic protection (CP) system that is used to safeguard the buried or immersed metal from corrosion. It ensures that the exposed steel or iron will be covered by the remaining zinc if the coating is damaged. The zinc coating prevents the corrosive substances from touching the steel or iron at the surface, and it also protects the base metal by corroding before iron. Zinc is immune to corrosion, dirt, rust, and. It safeguards the metals during storage, shipping, and installation as well as when it needs a service.

Manufacturers in the electronics and mechatronics industries use a large amount of sheet metal. These aluminum and sheet metal are shielded, and the mechanical elements used inside come in direct contact with the electrical components. Cleanliness, corrosion resistance, and aesthetics are extremely important for sheet metal fabricated parts. Metal enterprises put in great efforts in every technical phase and material handling process to keep the items intact and clear of manufacturing traces, including fingerprints in many cases.

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Most often, workers use thread gloves to touch critical parts. It is important to remove dirt from the surface after every step during the fabrication task and separate the sheet metal with papers while storing them.  The final packaging of the most important products is normally followed by a round of dry cleaning. By doing this, the sheet metal components will stay within the range of dimensions as well as appearance.

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