摘要:轧机是实现金属轧制过程的设备,主要组成由工作机座、轧辊、轧辊轴承、轧机机架。板材同一横断面的中间凸度和边部减薄,是由于轧制时轧机受到轧制反力作用而产生变形导致轧辊辊缝分布不均匀所致。而要改变板材的横断面板形,就需要改善工作辊辊缝的分布形状。优尔辊轧机的几种重要组合使用方式:通过预设定中间辊的轴向位置、调整中间辊、工作辊的弯辊力等,就可以更好地轧制不同宽度的各种原始板形轧件。中间辊轴向移动可以控制被轧板材中部以外至边部的板形,而中间辊正弯辊可以较好地控制被轧板材中间部位的板形。此次毕业设计目标是轧辊部分,主要有轧制力和轧制力矩的计算、轧辊设计、参数的确定和轧辊的校核等内容。20606 毕业论文关键词: 板形;辊缝;优尔辊轧机;轧辊
1250 Mill Roll System Design
Abstract:Metal rolling mill is the realization process equipment, mainly composed of the work stand, roll, roller bearings, rolling rack. Crown and intermediate plate of the same cross section of edge drop is due to the rolling mill reaction force by the rolling action of the roller causes deformation due to uneven distribution of the nip. The plate-shaped cross-section of the plate to change, we need to improve the shape of the distribution of work roll seam. Several important to use a combination of six-high rolling mill: By pre-setting the axial position of the intermediate rolls, intermediate rolls adjustments, such as the work roll bending force, we can better rolling variety of different widths original plate-shaped rolling pieces. Intermediate roll axial movement can be controlled to be rolled to the middle of the plate outside edge of the plate-shaped, while the intermediate rolls are bending can better control the middle of the plate is rolled plate shape. The design goal is to roll graduation part, mainly to identify and check the roll rolling force and rolling torque calculations, roll design, content and other parameters.
Keyword: strip shape, roller gap, six-high cluster mill l, the roller
目录
1 绪论 1
1.1 课题介绍 1
1.2 文献综述 2
1.3国外发展情况 3
1.4 国内发展情况 4
1.5 课题研究方向 4
1.5.1 辊系的确定 4
1.5.2 辊系方案比较 4
2 辊系的轧制力与轧制力矩的计算 8
2.1 轧制力计算 7
2.2轧制力矩计算 8
2.3 总轧制力矩计算步骤及其结果 20
3 轧机的辊系设计 23
3.1 轧辊 23
3.2 轧辊校核 23
4 轧辊轴承 30
4.1 滚动轴承 30
4.2 轧辊调整装置 30
4.3 设计参数汇总 31
5.总结 32
6.致谢 33
7.参考文献 34