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I made demagnetizer myself when I was using reel to reel tape recorder and magnetic heads are got magnetized after some time. I was using choke with winding without closing "I" - only "Es" . That is creating 50/60Hz sinusoidal magnetic field that is casing to multiple re-magnetizing of the...

We just talking with my wife (not browsing inet, not driving by near Ikea or Costco) and we having ads next day - related or exactly what we were talking about.

"Those and the hardinge seem to be the fan favorites for small envelope lathes" Some business in Montreal selling three Hardinge lathes. I called for the price range and got a response - between 5K and 10K. Any interest ?

Just wondering - what that tubes part number is ?

So, essentially, it is synchronizing spindle rotation angle with longitude movement of the lathe carriage by using cable.

Several years ago I was in Tokyo and went to the street (there is an entire street) with shops that are making chisels and wood planes. I was amazed how primitive and archaic their shops and processes. Master just sitting on the floor, holding workpiece with his legs while hitting with hammer...

I had similar cases, quite a few, TBH. I was doing main piece from cheeper material and bearing surface from bronze. Pressed bronze bushing in and then reamed it to size. Bushing can be held in place wiith soldering/brazing/gluing. Or another way - making that piece not from round stock but...

IMO it would be cheaper to buy premade bronze bushing of common size and machine it, if needed, to your exact dimensions. Time and money spent into making furnace/burner and then finessing mold and model is not justified unless you need something really special. I occasionally making some...

I am not sure it is truly elliptical - it is just a trajectory that small gear is moving.

Hello everybody. Recently stumbled upon this article and youtube video about geared CVT. Looks quite interesting to me and with all prose and cons of this solution it might be quite practical for machinists. Geared CVT I am wondering if anybody seen or may have 3D model for that with 3d...