SBIR Phase I: Innovative Research Into Understanding and Control of Rolling Mill Chatter

SBIR 第一阶段：了解和控制轧机颤振的创新研究

• 批准号: 9961275
• 负责人: Thomas Sharp
• 金额: $ 9.93万
• 依托单位: SHEET DYNAMICS LTD
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2000
• 资助国家: 美国
• 起止时间: 2000-01-01 至 2000-09-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9961275&HistoricalAwards=false
• 关键词: SBIR; Phase; Innovative; Research; Into

This Small Business Innovative Research (SBIR) Phase I project will develop a new understanding of rolling mill chatter. Rolling mill chatter is a vibration problem limiting the throughput of nearly all metal rolling operations. In addition, associated sensitivities of the system to external vibration forces necessitate costly maintenance programs to minimize these forces. The root cause of the problem is a destabilizing feedback mechanism, which renders the system extremely sensitive to any excitation. In the limit, the rolling process is unstable and self excited. The extension/tension relationship of the interstand steel sheet is a critical component of the feedback path. Phase I will explore previously overlooked aspects of sheet behavior to modify the feedback control path such that the feedback is a stabilizing rather than destabilizing effect.This technology has wide potential application to hot and cold rolling processes in the steel industry, aluminum industry, tin mills, finishing mills, and plastics processing.

这个小企业创新研究（SBIR）第一阶段项目将开发轧机颤振的新认识。 轧机颤振是一种振动问题，限制了几乎所有金属轧制操作的产量。 此外，系统对外部振动力的相关敏感性需要昂贵的维护程序来最小化这些力。 问题的根本原因是不稳定的反馈机制，这使得系统对任何激励都非常敏感。 在极限状态下，轧制过程是不稳定的，是自激的。 机架间钢板的延伸/张力关系是反馈路径的关键组成部分。第一阶段将探索以前被忽视的钢板行为方面，以修改反馈控制路径，使反馈是稳定而不是不稳定的效果。这项技术在钢铁工业、铝工业、锡米尔斯轧机、精轧米尔斯轧机、和塑料加工。