ステンレス鋼冷間圧延における板の表面性状形成機構のモデル化とその評価

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タイトル別名
  • Development and Evaluation of Model for Mechanism of Formation of Surface Properties of Cold-Rolled Stainless Steel Sheet
  • ステンレス コウレイカン アツエン ニ オケル イタ ノ ヒョウメン セイジョ

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The purpose of this study is to build a model for the transudation of rolling oil in cold rolling of stainless steel by referring to a micropool lubrication mechanism. The rolling oil transudation function or F value calculated by the model is proposed as a rolling pass characteristic parameter to describe the relationship between the kinematic behavior of the rolling oil mechanically trapped in micropits on the strip surface before cold rolling and the surface smoothness of the cold-rolled strip.<BR>1) It is shown that the kinematic behavior of the rolling oil in the roll bite in rolling passes can be represented by the parameter of F value.<BR>2) Increasing the F value toward 1 in early passes promotes the transudation of the rolling oil from micropits on the strip surface, and reduces the micropits of the mother strip.<BR>3) In later passes the F value necessarily becomes smaller due to using smooth-surfaced rolls for getting the surface gloss, but even in this case increasing the F value makes the transudation of the rolling oil from micropits, and eliminates the oilpit-like micropits.<BR>4) It is made clear that the very smooth surface is obtained by using rough-surfaced rolls in early passes and smooth -surfaced rolls in two or more later passes as an effective pass schedule based on the F value.

収録刊行物

  • 鉄と鋼

    鉄と鋼 83 (8), 496-501, 1997

    一般社団法人 日本鉄鋼協会

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