Before delving into the specifics of how typical
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19" rack enclosure
costs might be reduced, it's essential to understand the fundamentals.
Fundamentals of Racks
Rack Essentials
Racks are used to store and organize IT equipment to maximize space and other resources. With two or four vertically oriented rails and a supporting structure, rack components are crucial for their functionality. Generally, steel or aluminium rails and structures support heavy equipment. Screws can be used to attach rack equipment to the rails, which feature square or round holes. When square anchoring slots are used, the screws are held in place by cage nuts, which may be withdrawn and changed as required. You may provide additional support to a rack by mounting horizontal rails or shelves.
Rack Standards
There are standard dimensions for the rails, mounting holes, cabinet sizes, and other specifications in the industry. There is no need to worry about the compatibility of rack-mounted equipment with ordinary racks. Most IT equipment is approximately 19 inches wide and must adheres to standard international laws. Additionally, there is a standard for extensive telecommunications equipment that is 23 inches in width. The vast majority of information technology applications make use of racks and equipment measuring 19 inches.
Rack Units
When it comes to 19-inch racks, the height and depth might vary. There is usually considerable wiggle room in the rack rail depth. Rack units are a defined way of dividing the height of a rack. Rack or equipment cabinet height is denoted by the letter "U" followed by the number of rack units, each of which is 1.75 inches tall. There are 42 units in a 42U rack. A 42U rack may accept any combination of conventional rack equipment. Be aware that your equipment's weight and capacity must be considered when choosing a rack.
Rack Types
There are three principal racks, including
Open Racks
Frames are open on all sides and equipped with mounting rails but do not have any doors or sides. They're employed when a rack doesn't need to manage ventilation or offer security. Open frame racks are suitable for high-density cabling in network wire closets and distribution frames because they give easy access and space. Open frame racks can feature two or four "posts". Two-post racks require less depth but hold less weight. IT equipment that uses all four vertical mounting rails may need a separate kit for two-post installation.
Rack Enclosures
The company is the world’s best Custom Enclosure Solutions supplier. We are your one-stop shop for all needs. Our staff are highly-specialized and will help you find the product you need.
They come with front and rear doors that can be removed, side panels that can be replaced, and four mounting rails that can have their height modified on the vertical axis. Doors, often both front and back, have vents to let air to travel from the front to the back via the equipment. Rack enclosures are suitable for the storage of equipment that is heavy, hot, or high in power.
Locking doors and side panels enable rack-level equipment security. Data centres and server rooms often use enclosures. More expansive and deeper cabinets give more cabling space than typical enclosures.
It is possible to construct enclosures lacking doors and side panels, which results in much greater capacity to hold load. A common feature of enclosures is the addition of additional rails that can house vertical cable management as well as main distribution units.
Wall Mount Racks
They are designed to be attached to the wall, which enables them to make better use of available floor space and to fit into nooks and crannies that standard racks cannot. Depending on the use, they can be either enclosed enclosures or open racks. They are typically less sturdy and unable to sustain as much weight as their floor-standing counterparts because of their smaller size. Rolling wheels may be added to the cabinets to make them stand independen
tly.
Cost Saving Using 19' Rack Enclosure
In the current state of the economy, it is more crucial than ever to look for ways to save costs. Currently, server rack initiatives need to undergo restructuring and value engineering to continue receiving funding. Taking a new look at the enclosure requirements is a necessity that is frequently neglected for some reason. To present a unique perspective, the engineer needs to take into account all of the following:
Incorporate Future Growth Now
The 42U enclosure is the most often used in the server industry. As you prepare for your existing server requirements, this is valuable information. Planning for the future might save you money in the long run. Your firm's expansion and your human resources development should be considered part of your IT strategic plan. Prepare now for future growth and save money in the process.
If you have specific application requirements, or cannot find a standard electronic enclosure to meet your exact needs, you may need to work with an electronic enclosure manufacturer to create a custom enclosure for your project.
Here are some key points that will help make your custom enclosure project go more smoothly.
There's no reason to invest in a custom electronic enclosure if you can modify a stock enclosure to meet your application's requirements. Nevertheless, the decision isn't always easy. The information below will help you weigh the benefits and drawbacks of each approach. You may even discover a few surprises.
A custom electronic enclosure is defined as being completely developed from scratch and is mostly used when a suitable solution cannot be found off the shelf. This allows for a very specific visual look of the enclosure as well as exactly meeting the needed dimensions and functionality.
Bud can help with the electronic enclosure design and creation of a from-scratch enclosure, starting by understanding the application, then working with CAD tools to arrive at an ideal enclosure design. There is a lot to keep in mind, such as allowing space for cabling, planning how PCBs will be mounted, the location of power supplies, tolerances and drafting angles, and heat dissipation. Our experience can help prevent costly design mistakes.
More often the inspiration for a custom enclosure is a standard product. A designer may like a particular electronic enclosure box but need it in different dimensions or need a hinged cover on a stock enclosure that is available with only a screw-down cover. A common request is a special formulation of plastic, such as adding UV protection to an enclosure that was designed for use indoors. Basing a custom design on a standard enclosure provides a fast and cost-effective solution, because much of the engineering has already been worked out.
In addition to supplying custom-molded plastic enclosures, Bud can fabricate custom metal racks and sheet metal enclosures. Our factory has the machinery and skilled workers needed to form and weld almost any design of steel or aluminum enclosure. Making custom industrial enclosures in steel and aluminum is more popular than in other materials because tooling costs are relatively low.
The closer to a manufacturer's standard enclosure the custom enclosure can be, then the more cost-effective it can be. A good example is a custom server rack we developed for an internet service company that had a specific assembly, weight load, and seismic needs. We used a standard Bud rack, slightly changed several dimensions, and upgraded it with extra welds, different gauge steel, and doors that were removable in a specific way that met the application's needs. We performed seismic tests for them, simulating their equipment installed. The end product was a totally custom rack that still used many of the standard Bud design and production techniques.
Custom plastic or die-cast aluminum enclosures with dimensional changes are often significantly more expensive, as tooling costs can be quite high. The benefit of a new tool is that it is easy to design-in special features such as additional mounting bosses, wall-mounting provisions, card guides, as well as cutouts and holes that make the enclosure a turnkey unit. If the quantities are significant, the tooling charges are easily amortized, and so will allow for a unique looking product or one that meets the specific customer need. We have done this for several end-products offered by a wi-fi provider who had specific needs to make the box attractively mesh with the surroundings and contain easy installation features.
Other customizations for a plastic enclosure might include changing the plastic to allow for different colors, added UV protection, or flammability protection. If a standard size box is chosen, sometimes these changes will not require new tooling, which makes it a very reasonable shift.
Extruded aluminum enclosures typically have a fixed height and width but can readily be varied by depth. Changes in the fixed dimensions will require a new tool, although extrusion tooling is often not expensive.
No conversation about custom enclosures is complete without discussing modified enclosures. A modified enclosure is a standard, off-the-shelf enclosure that can have features or functions added to it, using proper machinery or tools. The most common modifications are made to enclosures by cutting holes, slots, or cutouts. Most enclosures must be modified because they need to allow for input or output of power or data such as with front panel custom cut-outs for displays, switches, buttons, or signal wires' at minimum an opening for a power cable.
Some of these changes are functional, such as a special gasket that provides EMI protection. Some of these changes are cosmetic, such as digital printing and special colors intended to make the end product stand out in the marketplace.
Not really a modification, but along the same lines, is pre-assembly. Racks can be shipped with customer-specified configurations of accessories such as shelves, fan trays, cable organizers, and chassis. Electronic enclosures can be pre-assembled with accessories such as standoffs, internal panels, and vents. Bud will even drop ship such enclosures directly to your CM, streamlining the supply chain, simplifying installation, and saving time.
With a modified enclosure, the basic enclosure'its structure'does not change. Because there are so many families of enclosures, in so many sizes and shapes, usually design engineers can select a standard enclosure that will do the job with minor modifications. Bud offers around 3,000 different models of enclosures.
Starting with a stock enclosure is obviously more cost effective and much faster than ordering a custom enclosure that must go through an entire design, manufacturing, and shipping cycle. Many injection-molded enclosures are made in Asia, which lengthens the delivery time by several weeks or longer. In contrast, about 93% of Bud's inventory is available for same-day delivery.
Ratings are another consideration. It's easier to get a UL NEMA rating on a modified enclosure if the original box is NEMA rated.
Many of the electronic products that consumers touch are housed in enclosures that we don't notice are actually stock enclosures. Enclosures used for medical devices, industrial tablet PCs, and hand-held remote controls come in so many variations that people don't notice the enclosure is not custom. This is especially true of enclosures that are printed with logos and carry branded colors.
The decision to create a custom enclosure needs to consider the timeline. It takes time to develop detailed CAD drawings, to acquire or modify tooling, and to meet any certifications. A UL rating can take up to six months to obtain and longer if design changes are needed.
Another consideration is quantity. If tooling for a custom plastic enclosure costs $15-$60 thousand, then running only 100 pieces may not be economical. If instead the run is 100,000 pieces, then customization may be worth the cost because the enclosure can be designed to speed assembly, simplify maintenance of the end product, and match the look of the brand.
Even when customizing an off-the-shelf enclosure, experience matters. For example, welding on a lock or a hinge may change the tolerances of the enclosure. Also, there are minimum clearances for cutouts and mounts, such as the distance from an edge or corner. The impact of design changes must be understood so PCBs, cables, and other components fit as expected. Having Bud as an experienced partner will help assure success.
For more information on this topic, see our blog post about the difference between a modified enclosure and a custom enclosure.
If you are truly starting from a blank sheet of paper, then the first decision to make about your enclosure is, what kind of enclosure do I need? Enclosures come in a variety of types, styles and materials. Look at the websites of enclosure suppliers to get an idea of what's available.
Start by asking the basic questions.
The answers to these questions will lead you to select a particular style and material.
Sheet metal electrical enclosures. (Aluminum and steel.) Pros: Metal dissipates heat. Strong. Easy to customize. RF shielding. Cons: Steel may corrode. Limitations in appearance, generally boxy.
Plastic electronic enclosures. Molded plastic permits any shape and texture. Popular for NEMA and IP rated enclosures. Clear covers are available with some models. Corrosion resistant.
Fiberglass electronic enclosures. Similar to plastic but stronger. Tighter dimensional tolerances. Lighter and less costly than stainless steel. High impact strength and has superior working temperatures. Chemical resistant.
Die cast aluminum electronic enclosures. Cost-effective protection. Metal dissipates heat the best. RF shielding. Strength and durability. Good for grounding.
Extruded aluminum electronic enclosures. Plastic end caps. Attractive and cost-effective, aluminum dissipates heat. Available with IR panels. Ideal for housing single PCBs.
Of course, if you need a cabinet or rack, then the only option is steel.
After you have selected the type of enclosure and its material, the next step is to determine the dimensions. Typically, engineers choose the smallest enclosure possible that will still accommodate their components and printed circuit boards. Engineers should properly plan the location of power components and signal wires. After you submit your CAD file or requirements to your custom enclosure supplier, then issues such as tolerances, mounting, and drafting angles are considered. Then the supplier will send you a CAD drawing for final approval.
We hope the information in this guide to custom enclosures is helpful. To get specific advice or a quote on your next project, contact our experts at or reach out to us on our website's chat.
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