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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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#1
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How did they make this?
http://www.liveleak.com/view?i=96d_1343900392
Regards, Boris Mohar Got Knock? - see: Viatrack Printed Circuit Designs (among other things) http://www.viatrack.ca void _-void-_ in the obvious place |
#2
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How did they make this?
On Thu, 02 Aug 2012 19:42:52 -0400, the renowned Boris Mohar
wrote: http://www.liveleak.com/view?i=96d_1343900392 EDM'd out of two ball bearings. Best regards, Spehro Pefhany -- "it's the network..." "The Journey is the reward" Info for manufacturers: http://www.trexon.com Embedded software/hardware/analog Info for designers: http://www.speff.com |
#3
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How did they make this?
"Spehro Pefhany" wrote in message ... On Thu, 02 Aug 2012 19:42:52 -0400, the renowned Boris Mohar wrote: http://www.liveleak.com/view?i=96d_1343900392 EDM'd out of two ball bearings. Best regards, Spehro Pefhany And then lapped as assembled to make the surface perfectly continuous with uniform surface finish. |
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