all-steel sawtooth cladding for rollers and / or rollers of flat cards or roller cards

摘要

ALL IN STEEL TOOTH COATING FOR ROLLERS AND / OR CYLINDERS OF FLAT CARDS OR ROLL CARDS. The present invention relates to an all-steel sawtooth liner for flat and roll card rollers and / or cylinders, having an elongated foot region (foot) and an adjacent tooth region (blade) in which the teeth are formed by cutting, whose teeth have a front tooth, a rear tooth and two side flanks, wherein between the rear tooth and the front tooth two arranged one followed by the another there is a bottom, and the teeth consist of at least two portions, with a first portion located on a tooth tip having a positive or at least vertical working angle (front angle) and a portion between the tooth tip and the transition region between the first and second portions forming a technologically effective region. In order to provide a coating that retains a high degree of aggression throughout its useful life, the first portion of the tooth front is convex or approximately convex in the direction of movement of the coating.