Unique double box tool for multiple chamfered spacers.

[Parlo]

This double sliding box tool allows the mass production of chamfered spacers or washers on a manual centre lathe. The rod can extend far from the chuck as it is guided by a hardened steel bush at the cutting zone. This allows multiple spacers to be made without constantly stopping the machine, opening the chuck then advancing the rod and finally closing the chuck.The X axis is set permanently on the centreline of the machine spindle. All the diameter moves are accurately made by the internal cam for both tools. The tool is advanced on the Z axis by the required part thickness plus the parting tool width ( this tool = 2mm ). The diameter of the part can also be machined by the parting tool as the carriage is advanced. The tool has a detent setting on the handle to control the cutting diameter or the midpoint for advancing the carriage.