不同润滑条件下ST16钢板的渐进成形性能及磨损特征
Incremental Formability and Wear Characteristics of ST16 Steel Plates under Different Lubricating Conditions
摘 要
通过计算得出不同润滑条件下ST16钢板的成形极限角,并用CCD摄像头和光学显微镜观察了成形件的表面磨损形貌,研究了该钢板在不同润滑条件下的渐进成形性能和磨损特性.结果表明:在渐进成形过程中,润滑条件的改变会影响成形性能和磨损特征;磷化处理后加二硫化钼锂基润滑脂润滑条件下,该钢板渐进成形性能最好;当压头成形等高层区间时以磨粒磨损特征为主,当压头成形等高层时以粘着磨损为主.
成形极限角
磨损
incremental forming
forming limiting angle
wear
Abstract
The forming limiting angle of the ST16 steel plate under different lubrication conditions was obtained through calculation.The surface wear morphology of the formed part was observed by means of CCD camera and optical microscope.The incremental formability and wear characteristics of the steel plates under different lubricating conditions were studied.The results show that the changes of lubrication in the incremental forming process could influence the formability and wear characteristics.The best formability could be obtained under the lubrication of phosphate treatment and lithium-based molybdenum disulfide grease.The wear characteristic was mainly an abrasive wear when the tool formed the layer to layer region.The wear characteristic was mainly an adhesive wear when the tool formed the section profile.
中图分类号 TG386
所属栏目 试验研究
基金项目
收稿日期 2009/11/25
修改稿日期 2010/9/15
网络出版日期
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备注赵秀敏(1984-),女,山东潍坊人,硕士研究生.
引用该论文: ZHAO Xiu-min,GAO Lin. Incremental Formability and Wear Characteristics of ST16 Steel Plates under Different Lubricating Conditions[J]. Materials for mechancial engineering, 2010, 34(12): 16～18
赵秀敏,高霖. 不同润滑条件下ST16钢板的渐进成形性能及磨损特征[J]. 机械工程材料, 2010, 34(12): 16～18
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【2】WEI Hong-yu,GAO Lin,LI Shuang-gao.Investigation on thickness distribution along bulge type incrementally formed sheet metal part with irregular shapes [C]//Proceedings of the International Manufacturing Conference.Ji′nan:Shandong University,2004:1672-3961.
【3】KIM Y H,PARK J.Effect of process parameters on forma-bility in incremental forming of sheet mental[J].Journal of Materials Processing Technology,2002,130/131:42-46.
【4】JESWIET J,MICARI F,HIR G,et al.Asymmetric single point incremental forming of sheet metal[J].Annals of the CIRP,2005,54(2):623-650.
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【7】HUSSAIN G,GAO Lin.An experimental study on some formability evaluation methods in negative incremental forming[J].Journal of Materials Processing Technology,2007,186:45-53.
【8】崔震,高霖,陆启建,等.数控渐进成形中的鼓包问题分析[J].机械科学与技术,2008,27(12):1581-1585.
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