23-06-2023 дата публикации
Номер: CN116287636A
Принадлежит:
The invention provides a furnace bottom roller, and relates to the technical field of cold rolling in the metallurgical industry, the furnace bottom roller comprises a roller cylinder, a shaft neck, a first shaft head, a second shaft head, a positioning piece and a heat insulation device, the positioning piece is arranged in the roller cylinder, the positioning piece is connected with the roller cylinder, the shaft neck, the first shaft head and the second shaft head, and the roller cylinder, the shaft neck, the first shaft head and the second shaft head are connected together through the positioning piece; the heat insulation device is arranged in the roller and connected with the first shaft head and the second shaft head. The heat insulation devices are mounted in the roller and on the inner sides of the shaft neck, the first shaft head and the second shaft head, so that heat in a high-temperature hearth can be effectively blocked, excessive heat is prevented from being transmitted to ...
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