共查询到20条相似文献,搜索用时 62 毫秒
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本文论证了某厂提出的提高碎边剪剪切能力的可行性。在大量实验数据的基础上,采用可靠性设计方法,对该碎边剪的主要零部件进行了强度可靠性分析。 相似文献
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冷轧厂酸洗机组在试生产5.5-6.0mm厚的钢板时,碎边剪经常发生堵转现象,影响了该规格钢板的正常生产。本文通过建立斜刀圆盘剪的剪切力学模型,对其力能参数进行计算验证,并采用机械系统动力学的理论进行定性分析,提出了发生堵转的根本原因,证明了原设计的不合理性,为设计更改方案提供了理论依据,并对其更改方案提出讨论意见。 相似文献
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对一种碎边剪刀片的四刃口曲线进行了分析研究,将方程椭圆曲线简化成了圆弧,并结合刀片的使用工况,对简化形成的误差进行了计算分析,对比刀片的制作工艺,确定圆弧刀片的制作方法。 相似文献
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JIANG Zhenyi XIE Haibo WEI Dongbin School of Mechanical Materials Mechatronic Engineering University of Wollongong Wollongong NSW Australia 《Baosteel Technical Research》2010,(Z1)
In this paper,the mechanics of strip edge cracks and its propagation has been studied,and the effects of strip edge drop and stress intensity factor(SIF) on edge crack defections during cold rolling of thin strip have been discussed.An experimental investigation was presented into the effect of strip edge drop on edge cracks during cold rolling of thin strip.The edge crack increases significantly due to more inhomogeneous deformation and work hardening at the strip edge.The effective stress intensity fac... 相似文献
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目前国内外已有相关专家对变压器绕组的铜带边部精准处理进行了相关研究,但是对精准处理装备和处理技术没有涉及,本文分析了铜带边部精准处理情况,"五位一体"铜带边部处理精整处理装备的工作运行方式,该处理装置实现了对铜带边部缺陷的处理,为变压器绕组的安全稳定运行提供了技术支持。 相似文献
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结合东北轻合金有限责任公司1^#、2^#铝冷轧机的生产工艺和设备情况,对圆盘剪在冷轧铝板带切边过程中的受力进行分析,同时分析铝带形成切边浪形的原因,并结合生产实践,提出了减少及改善圆盘剪切边浪形的措施。 相似文献
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The edge shape problem of strip has great influence on the shape control precision, so it is extremely necessary to establish the high-precision strip edge shape model. Based on the theoretical analysis and the practical engineering, a new high-precision shape detection model, which consists of wide channels in the middle of detection roll and narrow channels on both sides, is established to analyse the problem of strip edge shape. Instance data showed that the strip lateral thickness difference was directly related with the shape state of strip, and the strip edge coverage rate and the strip deviation amount had important influences on the shape detection precision, the pattern recognition accuracy and the shape control effect, so the strip edge shape model has become one of the key factors to improve industrial application effect of the shape closed-loop control system in the present situation. 相似文献
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双边剪剪刃的间隙与钢板厚度关系直接决定剪切钢板边部质量的好坏,文章主要分析剪刃间隙的平行度的不一致对钢板边部质量的影响,提出在生产过程中采取的处理方法和预防措施。 相似文献