Importance

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Abstract

A guide pad for a cutting tool and a cutter head for such guide pad, wherein the guide pad includes two opposite located symmetrically formed main surfaces, two longitudinal side surfaces and four sliding surfaces, two on each main surface located in sequence along a longitudinal axis of the guide pad, and being convexly curved as viewed in a plane perpendicular to the longitudinal axis. Each sliding surface has a fluid conveying formation having a bottom surface and a longitudinal extension in parallel to the longitudinal axis, which separates each sliding surface into two convexly curved sliding sub-surfaces. The guide pad also includes two bearing surfaces along each longitudinal side surface of the guide pad, which are located on a respective side of and facing away from a median plane halfway between the main surfaces and having at least some extension in the direction of the median plane perpendicular to the longitudinal axis. The bearing surfaces and a bottom surface of the fluid conveying formation are located between the median plane and an imaginary circle arc having the smallest radius of curvature that simultaneously can co-tangentially contact each of the sub surfaces at arbitrary contact points.

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First Claim