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US06896033B2 Cooling drum for continuously casting thin cast piece and fabricating method and device therefor and thin cast piece and continuous casting method therefor 有权
用于连续铸造薄铸件的冷却鼓及其制造方法和装置以及薄铸件及其连续铸造方法

Cooling drum for continuously casting thin cast piece and fabricating method and device therefor and thin cast piece and continuous casting method therefor
Abstract:
Dimples, preferably 40 to 200 μm in average depth and 0.5 to 3 mm in diameter of circle equivalent, are formed on the peripheral surface of a cooling drum, adjacent to each other at the rims of the dimples; and fine humps (preferably, fine humps 1 to 50 μm in height and 5 to 200 μm in diameter of circle equivalent on the surfaces of the dimples and/or fine humps 1 to 50 μm in height and 30 to 200 μm in diameter of circle equivalent at the rims of the dimples), fine holes (preferably, fine holes 5 μm or more in depth and 10 to 200 μm in diameter of circle equivalent), or fine unevenness (preferably, fine unevenness 1 to 50 μm in average depth and 10 to 200 μm in diameter of circle equivalent) are formed at the rims and/or on the indented surfaces of said dimples.
Abstract(Chinese):

在冷却鼓的圆周表面上，在凹坑的边缘处彼此相邻地形成平均深度为40至200μm，圆当量直径为0.5至3mm的凹坑， 和细小隆起物（优选地，在凹坑表面上和/或高度为1至50微米的细小隆起和/或直径为30至200毫米的圆形表面上，优选为1至50微米的高度和5至200毫米直径圆当量的细小隆起物 相当于凹坑的边缘），细孔（优选为细孔5μm以上，深度为10〜200μm，圆当量直径），或微细凹凸（优选为平均深度为1〜50μm的微细凹凸， 10毫米至200毫米的直径圆当量）形成在所述凹坑的边缘和/或凹槽表面上。

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