Importance

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Abstract

Heretofore, dimples or recesses that were distributed over the periphery of a cylindrical wall of a counterbore in a component had to be formed or inserted one after the other, which required complicated positioning work. According to the invention, in order to simultaneously form all of the dimples with a simple positioning device, a deflection body is provided through which at least two milling spindles pass in a planet-like disposition relative to a central control rod. The deflection body is connected to a centering piece facing the counterbore and to an intermediate piece facing away from the counterbore. The intermediate piece in turn forms a type of cylinder/piston connection with a gear housing. Each milling spindle is connected to an output shaft of a gear housing by a flexible shaft that is axially movably guided in between. A relative movement takes place between the housing and the intermediate piece in the course of a predeterminable stroke after the centering piece contacts the base surface of the counterbore. The control rod also performs the relative movement by simultaneously moving the milling spindles radially outwardly in the vicinity of the deflection body.

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First Claim