Patent ID: 6848486
Filing Date: 2005-02-01
Classification: B27L

Abstract:
1. A method for reconditioning wear plates on a mounting face of a knife disc of a disc chipper, said wear plates having a front side and a rear side that are substantially parallel to each other, a thickness determined by a distance between the front side and the rear side, the wear plate having a leading edge and a trailing edge, the edges defining a planar sector shape, the face side having a wear-resistant hardfacing adhered thereto by a heat treatment process and the rear side having made thereto both a clamp groove, which is aligned parallel to the leading edge for accommodating clamp means of a chipper knife, and a reconditioning groove aligned parallel to the trailing edge, and the wear plate being reconditioned in a process including a heat treatment, the method comprising the steps of: affixing machining allowance strips in said clamp groove and said reconditioning groove, and machining said machining allowance strips wherein post-machining of the thickness of the wear plate after reconditioning the hardfacing is effected.