Creating a mechanical handset enclosure - HomeBrew Forum at eHam.net

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eHam.net Forum : HomeBrew : Creating a mechanical handset enclosure

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Creating a mechanical handset enclosure	Reply
by KE7WJC on October 22, 2009	Mail this to a friend!
All, I am looking to design a hand held 'walkie-talkie' device. I'm not asking for help with the circuitry - rather, I need some help looking for ways the make the mechanical enclosure or handset. As an electrical engineer, I have no idea how you go about designing this or even what software tools - if necessary - are needed. Cost is another issue - how much should I expect to spend? (software needed? etc). Basically I would like to get a designed enclosure sent out for some prototypes. I ideally would like it to look similiar to the various other hand helds that are manufactured by the name brand corporations. Any idea where I can start? Thank you very much. - Stephen

RE: Creating a mechanical handset enclosure	Reply
by W0FM on October 29, 2009	Mail this to a friend!
Hi Stephen, There are a number of Injection Molding companies out there that will do small quantities of custom housings like QuickParts: http://www.quickparts.com/ToolingProduction/RapidInjection.aspx?s_kwcid=08bdggl004o&gclid=CM6w8Irz4p0CFQSbnAodN3TDNg My guess is that you will need a CAD program and/or engineer to "mock up" your housing. In the old days that was often done with carved wooden blocks and sometimes clay-like material. Once you have the basic design, an injection molding company can normally offer you a "rough draft" of your design. Replacement plastic housings for commercial hand-held two way radios are available from their parts departments. That might be a starting place, if you have size and shape parameters in mind. Then, let your engineer modify your design to make it SIMILAR to, but not a copy of the commercial radio. I wish you success. You're brave to bite off a chunk this big. :o) -Terry, WØFM

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