Feature: Enclosures
Indoor cabinet
Here is a list of the parts of a cabinet that attach to the frame and the industrial components you must think about:
Frame The framework, of course, supports the cabinet, which requires special attention to fasteners, which in turn support mounting rails. Typically, the frame is either welded together or assembled with
Guide to designing indoor cabinets
By Scott Fawcett, Managing Director, Essentra Components
fasteners. When tight tolerances are needed, go for a hex head cap screw. Metal cap screws are especially ideal if you need high strength, though they’re also available in other materials. Consider stainless steel with a zinc-plated finish to resist corrosion and staining of adjoining materials. Use confirmat screws for the easy assembly of panels. Confirmat
screws also make it easy to dismantle and reassemble cabinets, if needed. Tey tighten and loosen with an allen key and are made of zinc-plated steel for strength and corrosion resistance. Cage nuts are specifically used for data cabinets and industrial
equipment enclosures. Specifically they’re used on square holes common to mounting rails. A cage nut used on a square hole allows for a choice of nut and bolt sizes. Joint connector nuts are used with joint connector bolts for a
long-term fixing solution for furniture and cabinets. Te head size of the bolt and nut match, which provides an excellent surface finish on both sides of the assembly – also easily applied with an allen key. A flange and lock nut is a hex nut with a flange on the base,
components belong depends on the type of cabinet you’re designing. For instance, some cabinets have rear panels, whilst others rear doors. Tis is also the case for cable management: say, mounting solutions on the roof vs the side panels.
Y 58 December/January 2021
www.electronicsworld.co.uk
ou’re designing an indoor cabinet: it might be a data cabinet, server rack cabinet or medication cabinet. Whatever type it is, you’ll need particular components, such as fasteners and hinges, just to name a few. Te exact location of where these
acting as an integrated washer. Tsis spreads the load and prevents damage to the part, whilst also reducing the risk of the nut loosening in application. Use a dome nut, also called a cap nut, to cover and protect a bolt or screw’s external thread.
Front door and cabinet handles Not all cabinets have front doors, but most do for security reasons. Choose cabinet door handles with an ergonomic grip, for
comfort. Cabinet pull handles are a great choice for rack enclosures and other indoor cabinets. An arch handle cabinet pull is ideal.
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