Friday 9 January 09 - 03:21
 

Pressworking

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Clamason Industries has made a speciality of producing high-tech enclosures and RFI/EMI shielding cans for consumer electronics products such as digital set-top boxes.

Components for set-top boxes include pre-painted, zinc-plated mild steel, top covers, zinc-plated mild steel bases and, in some cases, a printed front and back panel
Components for set-top boxes include pre-painted, zinc-plated mild steel, top covers, zinc-plated mild steel bases and, in some cases, a printed front and back panel

Components for set-top boxes include pre-painted, zinc-plated mild steel, top covers, zinc-plated mild steel bases and, in some cases, a printed front and back panel. Even set-top boxes that appear to be made of plastic, such as the Sky HD box from Thomson Broadcast, still utilise three pressed parts, the outer skin being merely cosmetic.

The company’s involvement in set-top technology dates back to the 1990s when it made the original BSkyB decoder box for Pace. For that major project it installed a dedicated transfer press line of six presses located together, with careful transfer and delicate handling of each pressing between stations by pick-and-place robots. This line allows the production of highly complex parts with no carry strip. Additional components can be automatically inserted on the line.

Another string to Clamason’s bow is the manufacture of enclosures for automotive companies such as Delphi, Hitachi, Motorola and TRW. These are for applications that range from casings for in-car entertainment (ICE) systems and engine control units (ECUs) to airbag inflator housings and lamp reflector shields.

Clamason says its precision metal pressings are fighting back in all sorts of ways against plastics, supplanting them in many traditional plastics applications. Compared to metal pressings, says the company, plastics can suffer from shrinkage, joint-line and RFI/EMI shielding problems, and deteriorate over time when exposed to heat, light and ultraviolet radiation. And, unlike plastics, ,most pressed metal parts are fully-recyclable.

Now, with a daughter plant in Slovakia, Clamason offers local production solutions, and a similar transfer press line, to that regions electronics, home entertainments, white goods and automotive OEMs.

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Clamason

Stevens Rowsell is a specialist precision sheet metal engineering company in East Sussex