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MODERNIZATION MECHANICAL PLANT FOR WITHDRAWAL PROFILES IN HORIZONTAL CONTINUOUS CASTING

机译:水平连续铸造中的抽出型材的现代化机械厂

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This paper presents a variant of modernization process of withdrawing the profiles in horizontal continuous casting (HCC) of metals. HCC is a modern method of directly obtaining different types of metallic semi-products by casting without using the laminated lines. In present, semi-products withdrawing, in horizontal or vertical continuous casting, uses systems that are composed of parallel rollers forming a pair. The system consists of two rollers ensure the clamping force between the roller and the movement of advance of the profile. This withdrawal method has a number of disadvantages: the electromechanical device drive of the moving roll, has big gauge; the need of hydraulic or pneumatic system to the pressing roll for raising on the profile of the rolls; clamping force required is applied to a small contact area between roller and semi-product, resulting in a high pressure which deforms the semi-product. To eliminate these disadvantages, the authors propose the realization of a withdrawing system which replaces the rollers with adjustable horizontal tanks. This new withdrawing system ensures the modernization of withdrawing installation to horizontal continuous casting with the following advantages: - Simplified construction requiring a simple rotating at the entrance of the mechanism; simple electric drive; low gauge; lack of hydraulic or pneumatic system; large contact area between jaws and semi-product ensure preservation of the semi-product dimensional characteristics; easy maintenance; higher reliability, energy savings, by eliminating the hydraulic installation, the clamping force being provided by springs.
机译:本文介绍了撤回金属水平连续铸造(HCC)中的曲线的现代化过程的变体。 HCC是一种现代方法,可通过铸造而不使用层压线直接获得不同类型的金属半产品。在目前,在水平或垂直连续铸造中抽出半产品,使用由形成一对的平行辊组成的系统。该系统由两个辊子组成,确保辊子之间的夹紧力和轮廓的移动。这种撤回方法具有许多缺点:移动辊的机电装置驱动器,具有大量规格;需要液压或气动系统到压辊,用于升高辊的轮廓;所需的夹紧力适用于辊和半产品之间的小接触面积,从而高压变形半产品。为了消除这些缺点,作者提出了一种撤回系统,该系统用可调节的水平罐取代辊子。这种新的撤销系统可确保使用以下优点取出安装到水平连续铸造的现代化: - 简化结构,需要在机构入口处进行简单的旋转;简单的电动驱动;低压;缺乏液压或气动系统;钳口和半产品之间的大接触区域确保保存半产品尺寸特性;易于维护;通过消除液压装置,通过弹簧提供更高的可靠性,节能,通过弹簧提供夹紧力。

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