Re: [Phono-L] Edison Bearing

I tried making sintered bronze bearings when I started machining, maybe 35 years ago now. Possibly because of less-than-adequate machining technique, I found that sintered bronze produced greater friction on the mandrel shaft than did plain brass. I consequently continue to use brass and have

Re: [Phono-L] Edison Bearing

There are specific cutter angle recommendations for machining stintered bronze and I do not have them readily at hand. Having this info is a requirement for DIY bearings as you are actually attempting to cleanly cut each very small ball without smearing it. On 01/29/2013 03:15 PM, Don Mayer

[Phono-L] ron haring

hi sorry all ron can you email me privately i lost your email address thanks rob ___ Phono-L mailing list http://phono-l.org