Filing Rest

November 28, 2020
Filed under: Virtual Exhibition 2020

Filing Rest

Sometimes it is necessary to put flats onto a round bar, so that it can be turned with a spanner. This is where the filing rest comes in. These are not available commercially, so have to be tailor-made to fit the lathe on which it is used.

There are two rollers with small flanges used to guide the file. Once the part is ready to have the flats filed, the lathe spindle is locked and the file used to file the flat. The flanges stop the file drifting too far up the round bar, and the filing rest is adjusted in height so that the right amount of material is filed off to give the correct size of flat and the file no longer removes any material.