铝合金砂带磨削工艺分析.docVIP

砂带磨削铝合金工艺分析 摘要：砂带磨削作为一种按照工件加工要求，选择合适的接触方式，用砂带进行磨削加工的工艺，在现代磨削加工中运用越来越广泛。本文对砂带磨削铝合金表面粗糙度进行了理论探讨，并对砂带磨削试验装置进行了设计，包括主要功能部件的基本参数的选择和其结构设计。另外，通过正交试验方案的设计，利用少量的试验组进行了砂带磨削铝合金试验，且达到了较好的试验效果。主要研究砂带磨削铝合金圆柱端面粗糙度值与磨削参数的关系，通过砂带磨削试验，探讨了在砂带磨削铝合金圆柱端面时，影响指标表面粗糙度值的其中四个因素，对磨削加工后的铝合金端面粗糙度值进行测量并进行数理统计分析，最后得出结论对于表面粗糙度值的影响特别显著的是砂带粒度，显著的是磨削深度，进给量和工件转速影响较小。 关键词：砂带磨削；磨头设计；正交试验；粗糙度 Abrasive belt grinding aluminum alloy process analysis Abstract：Abrasive belt grinding, as a kind of, in accordance with requirements of the workpiece processing, choose the right means of contact, using abrasive belt grinding process, using more and more widely in modern grinding processing.the paper discussion the abrasive belt grinding aluminum alloy surface roughness has carried on the theoretical, and design the abrasive belt grinding test device, including the selection of basic parameters of the main features and its structure design.In addition, through orthogonal test scheme design, abrasive belt grinding aluminum alloy is studied by using a small amount of experimental test, and achieved good experimental result.Research belt grinding aluminum alloy cylinder end surface roughness values and the grinding parameters, the relationship between using abrasive belt grinding test, explored the abrasive belt grinding aluminum alloy cylinder end face, four factors of affect surface roughness value indicators, for the aluminum alloy after grinding end face roughness measurement and mathematical statistics analysis, the final conclusion for the surface roughness value is particularly prominent sand with grain size, the influence of grinding depth, notably feeding and rotating speed. Key words: abrasive?belt?grinding；?design of belt grinding head；orthogonal experiment；roughness 1绪论 1．1选题的背景及研究意义 选题背景 铝合金的显著特征是其密度值较低，但强度值较高，综合性能十分优越，已广泛应用于国民经济和国防军工的各部门，人民生活的各方面，已成为人类社会的基础材料之一，在交通运输等诸多领域大有替代钢铁材料之势[1]。在汽车、摩托车、航空航天、机械制造、家电等诸多领域得到大量应用。在许多关键零部件的加工中，要保证其表面质量和精度，本课题对铝合金加工，进行砂带磨削技术探讨和工艺分析。 1．1．2 本课题的研究意义 砂带磨削作为兴起时间较短，在机械加工