The paper firstly summarizes some things about cold-roll forming and its simulation in our country and international, introduces the work's background and significance.
本文首先对国内外冷弯成型领域及其数值模拟领域的工作进展情况进行了概括和总结，阐述了本文立题的背景和意义。
Cold-roll void forming sheet is an important product in cold-roll forming sheet, which usually includes pipe, square tube, rectangle tube and unusual tube made by special requirements.
冷弯空心型钢是冷弯型钢中的一类重要产品，其通常包括圆管、方、矩形管以及按照特殊要求制作的异形管。
The present status of roll abrasion model was summarized, the typical roll spalling predicting model was introduced in more detail, and the future study on cold roll was finally prospected.
总结了轧辊磨损预报模型的研究现状，并详细介绍了典型的磨损预报模型，最后展望了冷轧辊研究工作的方向。
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