Custom-made watch pivot polisher

Описание к видео Custom-made watch pivot polisher

Using Jacot tool the tool is hand cranked to rotate the pivot and the polishing wheel. Micrometer adjusts the wheel engagement .
The tool is simple to make, but some parts - especially the bearings - require close tolerances. The most demanding is the polishing wheel; it must run true and wobble free, tolerances are in the +/- 2 micron, or better range.
Here it is made out of alloy steel, treated to RC65 and ground with very fine file-like surface. Included are a few stages in the making of the wheel.

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