Patent ID: 7100412
Filing Date: 2006-09-05
Classification: B21H,B24B,Y10T

Abstract:
1. Deep-rolling roller head of a deep-rolling tool for deep rolling of radii or undercuts on the main and pin bearing journals of crankshafts, with a housing in which one or two deep-rolling rollers are moving loosely and rotatably with little clearance in roller cages at a lateral distance from each other in function of an axial width of the associated bearing journal, whereby the roller cages are attached to an underside of the housing towards the crankshaft by means of holding devices that support the roller cages on their faces away from the deep-rolling rollers and at the same time track them laterally, whereby the housing is provided with a projection for the support of the roller cages on its underside towards the crankshaft, with a projection for the support of the roller cages being provided on either end of the underside and attachment and guiding elements are provided for the roller cages and engage each roller cage and can be attached to the projections of the housing, wherein a roller cage for deep-rolling rollers is provided in the opening between the two projections on the underside of the housing of the deep-rolling roller head, this roller cage being made in one piece, with each of its two outer faces being supported on a bearing surface by one of the two projections, with at least one deep-rolling roller moving loosely and rotatably between faces of an inner groove-shaped opening of the roller cage, and being connected via an attaching element to the housing of the deep-rolling roller head.