SHAPED TOOL WITH READILY ADJUSTABLE CUTTING DEPTH Russian patent published in 2010 - IPC B23C3/12 

FIELD: process engineering.

SUBSTANCE: proposed tool comprises case accommodating rotary cutting block turning therein. Case comprises spline element secured onto the case top outer surface, adapter thread-jointed to cutting block top and selectively coupled with the tool to transmit torque to rotary cutting block. It comprises also graduated rule with arranged between outer flange made on adapter pouter side and cutting block, holder to guide travel and thread-jointed to cutting block outer side to move up and down and comprising rotary spline element made on its outer surface. It includes supporting holder thread-jointed to holder bottom and comprising guide plate arranged under supporting holder, chamfer depth adjusting unit that regulate chamfer depth in sliding up or down. Note here that aforesaid spline rotary element is coupled with rotary spline element of the holder and fixed spline element of cutting tool. Flexible element is arranged between chamfer depth adjusting unit and supporting holder.

EFFECT: higher accuracy of adjustment and reliability of maintaining chamfer depth size.

7 cl, 10 dwg