PRODUCTS ENCLOSURES PROTECTING PCBS FROM THE ELEMENTS
New from BCL Enclosures, the Bo Series of IP67 enclosures are designed to protect PCBs from the elements. These are dust and particulate tight with a vacuum seal, and can protect their contents against the effects of full immersion in up to 1m of water for as long as 30 minutes. Made in tough ABS plastic, the range is available in four sizes
with either standard 53mm deep or extra deep 78mm bases. Sizes available are: B01 models – 80mm high x 73mm wide; B02 models – 80mm high x 106mm wide; B03 models - 80mm high x 139mm wide; B04 models – 80mm high x 172mm wide. PCBs can be held internally either horizontally or vertically
via mounting slots; and the enclosures feature M20 threaded cable knockouts and come complete with four captive plastic screws. Snap-on DIN rails and flange brackets are available. The enclosures are suitable for a variety of applications, ranging from industrial to marine environments.
BCL Enclosures
www.bclenclosures.com COMPOSITE ENCLOSURES FOR ELECTRIC VEHICLES
According to the United States Environmental Protection Agency (EPA), for every 100 pounds of weight taken out of a vehicle, the fuel economy is increased by 1-2%. One area which could help make the difference is battery enclosures for EVs. Aluminium and steel are traditionally used for these, however composites could provide an alternative option. In some instances, switching
from metal to composite doesn’t just match previous functionality, it surpasses it by bringing in additional benefits. This is demonstrated in the case of EV battery enclosures: Weight reduction: Arguably
the main driver of choosing composites, up to 40% in weight savings is achieved if the enclosure is made from 100% composite material rather than aluminium. With a lighter vehicle weight attributed to the battery enclosures, smaller batteries and a reduced engine sizes are required to haul a lighter vehicle. Insulation: Due to the insulating properties of
composites, these materials already do a good job of preventing heat transfer, without the need to add more weight-increasing parts in the system. Noise, vibration, & harshness: NVH is the result
of vibration or noise, which is transmitted and radiated acoustically in the cabin. NVH is less with composites than with metals, as they have inherent damping properties. This is true for the battery
enclosures as well as other vehicle parts. Safety: Composite battery casings can be designed
as part of the vehicle body structure, not only protecting the battery but also the passengers of the vehicle. The strength and stiffness properties of composites outweigh those of aluminium or steel. This integration will require close collaboration between the battery enclosure suppliers and chassis designers, but offers a real possibility to boost vehicle safety. Pultrusion: High
volume production is essential in reducing overall costs. It is
possible to use continuous manufacturing methods to produce EV battery box components, such as pultrusion. This is a process which enables composite manufacturers to pack in more fibres in the same cross section, compared with other composite manufacturing methods, allowing stronger but lighter parts to be made. However, range anxiety remains one of the key
hurdles that the EV sector must overcome, and thinking outside of the conventional material choices for battery enclosures are essential steps to reducing vehicle weight, and reaping fuel economy returns.
Exel Composites
www.exelcomposites.com COLOUR-CODED ENCLOSURE TRIMS NOW AVAILABLE
Colour-coded red, blue or anthracite trims are now available as options on ROLEC’s tough and versatile aluCASE premium diecast aluminium enclosures for industrial electronics. The trims cover the lid and mounting screws. Separate screw channels enable aluCASE to be mounted ‘lid closed’ to protect the seal and electronics. The lid is recessed to accommodate a
membrane keypad, product label or front plate. Hinges and/or integrated lid supports are available on most sizes to keep the lid attached to the base when the enclosure is
open. Two sizes (160 x 90 x 60mm and 140 x 110 x 60mm) are available with a transparent lid. Inside, there are screw bosses for installing PCBs, mounting plates and rails. aluCASE enclosures are available in 29
sizes from 75 x 50 x 33mm to 430 x 300 x 120mm, and they are rated to IP 66 and IP 67 protection classes as standard. IP 69K is also available on request.
ROLEC
www.rolec-enclosures.co.uk
28 APRIL 2021 | DESIGN SOLUTIONS / DESIGNSOLUTIONS
SWINGHANDLES NOW EX-STOCK
FDB Panel Fittings has announced ex-stock availability of its DIRAK swinghandle series. In comparison with simple quarter-turn locks, swinghandles offer a much higher torque capability than standard quarter-turn latches and consequently greater closing force is available. This is important for enclosures with thick gaskets or for larger doors with rod latches where multi-point closure is employed for greater sealing or security. With DIRAK swinghandles, access
control to server racks can be professionally managed. Alongside conventional swinghandles, FDB offers safety-tested variants of the swinghandle range – for example, with one locking cylinder or with two tandem locking cylinders. FDB also offers swinghandles with
mechatronically secured latches, locking cylinder or actuator, as well as flush-mounted and standard raised handle variants. Some designs feature tool-free installation. Sealing performance is to IP65 in
black, chrome-plated or stainless with profile cylinder, key cylinder, combination lock, square threaded rod actuation, and KABA cylinder being available.
FDB Panel Fittings
www.fdb.co.uk
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