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Large foam or plastic electronic enclosures are difficult to design and build with sufficient structural rigidity. Adding sub-assemblies compounds the problem.
English (United States)
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Low Cost Electronic Assembly
Large foam or plastic electronic enclosures are difficult to design and build
with sufficient structural rigidity. Adding sub-assemblies compounds the
Shown in the Figure is a plastic extrusion or foam molded enclosure 10
including a set of parallel key holed channels 12 which are extruded or molded
into the plastic enclosure skin 10 and a steel or aluminum sub-assembly shelf 14
with front and rear flanges 16 and hinge rolled ends 18. The rolled ends 18 are
designed to slide in and be fastened with simple sheet metal screws 20
expanding the roll hinge 18 outward to the molded channels 12 in an
interference/compression fit. The shelf 14 adds rigidity to the enclosure sides but
allows simple and rapid installation and removal.