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leadership - drehlagerung for a metallschmelzbad
leadership - drehlagerung for a metallschmelzbad
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机译:领导力-参加金属行业大会
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摘要
The guide roller-pivot bearing comprises a shaft rotatably mounted into a metal melt in rolling bearing devices (7 2) by using shaft ends (6). The shaft ends are mounted into the rolling bearing devices displaceable in both axial directions. The rolling bearing devices are arranged on pivoting arms (5 2) and have an external ring (11) fixed at the pivot arm, cylinder rollers (19) as rolling body and an internal ring (15). The cylinder rollers are fixed at the internal ring in both axial directions by rim elements. The shaft ends have a protective coating made of a material. The guide roller-pivot bearing comprises a shaft rotatably mounted into a metal melt in rolling bearing devices (7 2) by using shaft ends (6). The shaft ends are mounted into the rolling bearing devices displaceable in both axial directions. The rolling bearing devices are arranged on pivoting arms (5 2) and have an external ring (11) fixed at the pivot arm, cylinder rollers (19) as rolling body and an internal ring (15). The cylinder rollers are fixed at the internal ring in both axial directions by rim elements. The shaft ends have a protective coating made of a material, which is wear-resistant than the material of the shaft ends. The external ring has a rim element, which fixes the cylinder rollers in both axial directions together with the rim elements at the internal ring. The surface of the internal ring directed for protective coating is convexly exposed in longitudinal section. The internal ring, the cylinder rollers and/or the external ring consist of a ceramic material. The protective coating is a hard alloy based on cobalt-chromium, and is a bush arranged in a rotationally fixed manner. The bush is kept at the shaft ends by a clamping element. In axial direction, a bearing plate that consists of ceramic material is provided opposite to the shaft ends. The rim element is formed as a removable rim element, where it is provided as safety ring at the external ring. A distance is provided between the internal ring and the protective coating. A displaceability of the shaft ends is ensured in both axial directions.
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