How to Become a Data Scientist in 2022
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The right selection of materials for enclosure manufacturing is a complicated task which requires skill in industrial design, management and marketing. The enclosure material which houses sensitive electronic and automation components will impact their lifespan, functionality, and performance. Of the numerous materials available, each offers different protective advantages.
Before choosing a material, it’s important to think about the material qualities that your application requires.
1. ABS (Acrylonitrile Butadiene Styrene)
ABS is a two-phase polymer blend that provides good all-round performance for electronic enclosures. For that reason, ABS is used in most cases in the OKW range. It is best suited for use in enclosed rooms but is less suitable for outdoor use. (Need something tougher? Specify Polycarbonate instead.
2. ASA+PC Blend (Acrylonitrile Styrene Acryl ester and Polycarbonate)
Blending ASA with PC boosts performance at high temperatures and also increases the impact strength. Combining these plastics also provides good resistance against chemicals and weather.
3. PA (Polyamide)
Polyamide is tough, wear-resistant and has good sliding properties. It also offers very good electrical insulation properties (it is used for power tool housings and cable ties)
4. Cold Rolled Steel
Cold rolled steel is ideal for general purpose indoor enclosures. However, it will rust if not coated, so bare metal and grained finishes are not recommended. It can be extremely durable indoors when finished with powder coat.
5. Stainless Steel
Stainless steel is the premium solution to corrosion resistance, because of its chromium and nickel content. However, that chromium and nickel comes at a cost and makes stainless more expensive than cold-rolled steel, aluminium or galvaneal. It is good for use with general purpose enclosures if corrosion or aesthetics are a concern.
6. Aluminium
Aluminium is one of the most lightweight metals for enclosures, however to get to the same stiffness as cold-rolled steel, it requires a thicker gauge. It does not have to be chem filmed form electrical contact, but chem film will increase the durability of aluminium
7. Galvanneal
Galvanneal is a low-carbon steel coated with zinc and annealed for the zinc to bond via diffusion into the substrate. This prevents it from flaking off when formed or bent. The finish acts like a primer and easily adheres to paint, and creates a rust-proof surface as well. Galvanneal is much more durable than cold-rolled steel in wet environments, but less so than aluminum or stainless steel. Galvanneal offers good paintability, corrosion resistance, and formability.
8. Copper
While we do offer copper within our sheet-metal offerings, it is very rarely used as the material option for an enclosure. Copper offers excellent electrical conductivity; however it is extremely soft, and thus not ideal to form an enclosure. Copper is very expensive, especially compared to other sheet-metal materials.
For the majority of modern applications plastic construction is the favorable choice as it’s typically lighter, less expensive and easier to include built-in internal mounting options for quick installation. However, metal enclosures are useful for applications which require protection from potentially heavy external knocks, such as building sites, mining and quarrying. Further specific applications are discussed.
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