SHAFT TOOL AND ASSOCIATED COOLANT/LUBRICANT FEEDING POINT

摘要

The tool has a machining section and a cylindrical shaft, in which an internal coolant and a lubricant duct (468) with an orifice are formed. The shaft has a clamping section and a side of a support section for an attachment to a connection piece (412) provided in the shaft is turned away from the processing section. The support section has a shape of conical fitting surface (470), which extends radially inwards such that the surface engages the orifice. The surface is processed on a joint fitting with the connection piece such that a sealing surface is radially formed outside the orifice. An independent claim is also included for a cut surface between a shaft tool and an injection position of coolant and lubricants.