| Gallery, Projects and General > How do I?? |
| Tolerancing a machined hex key (female hex) |
| << < (3/4) > >> |
| jim:
--- Quote from: andyf on July 05, 2011, 12:19:55 PM ---Bry, can't you specify that a small hole be drilled centred on each corner before the dodecagon is milled out, to make sure the corners aren't left rounded so much that they interfere with the corners on the case back. . Ned, thanks; I'm sure you are right to correct me. Andy --- End quote --- this is the way i'd program/machine it :thumbup: |
| Jasonb:
Or get it cut on an EDM machine and have nice crisp corners. I'd spec a tight tollerance as you can always file a bit off rather than try to put it back on. J |
| bry1975:
EDM :bugeye: Always thought EDM cost many thousands well it does with punch n shearing dies!? An idea what about having it lasered? so a two part assembly.? Bry |
| jim:
EDM is not that bad, if you can find somewhere to do it............. |
| bry1975:
Chilwell Toolmakers Beeston Notts use to do it! |
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