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Wear behaviors and lubrication medium of TiC/Al2O3 ceramic wire drawing dies YANG Xue-feng(杨学锋)1, DENG Jian-xin(邓建新) 2, WANG Hui(王 慧)1, ZE Xiang-bo(昃向博)1 1. Department of Mechanical...: The suitable test equipment for wire-drawing was designed. Wire-drawing tests were carried on with this equipment for TiC/Al2O3 ceramic wire-drawing die. Effect of lubrication medium and drawing velocity......
Effect of coating material and lubricant on forming force and surface defects in wire drawing process S. M. BYON1, S. J. LEE2, D. W. LEE1, Y. H. LEE3, Y. LEE2 1. Department of Mechanical..., Pohang, 790-785, Korea Received 21 April 2010; accepted 10 September 2010 Abstract: A pilot wire drawing machine as well as wire end-pointing roller was developed. Using these machines, a wire......
钢丝拉拔过程损伤模型及模拟计算方峰1,胡显军2,王珺3,李兆霞3,蒋建清0(1.江苏省南京市东南大学江苏省先进金属材料高技术研究重点实验室2.东南大学 江苏省先进金属材料重点实验室,江苏南京 2111893.东南大学 工程力学系,江苏南京 210096)摘 要:为研究材料拉拔成型过程中的损伤问题,以1860MPa级PC钢绞线为研究对象,运用损伤力学理论分析了钢丝拉拔成形过程,采用ABAQUS软件建立了钢丝拉拔成形过程的材料损伤有限元模型,并利用该有限元模型计算了拉拔形变过程中材料损伤的演化规律.计算结果表明,钢......
Optimizing SUS 304 wire drawing process by grey relational analysis utilizing Taguchi methodAl-Refaie AbbasDepartment of Industrial Engineering, University of Jordan摘 要:In the stainless steel 304 (SUS 304) wire drawing process, optimizing the die life and wire tensile strength, which are the larger-the-better quality characteristics (QCH) types......
; wire drawing; microstructure wire with diameter of 0.7 mm by drawing method. The content of doped......
or mul-tiple pass drawing, while the elongation decreases when α increases. VEGA et al [13] researched the effect of the drawing process parameters on the copper-wire, then optimized the die design to obtain the copper wire with a best quality. MALBERG et al [14] concluded that the reduction and die angle influence the drawing stress and the powder compaction of the single filament superconducting......
Rectifying control of wire diameter during dieless drawing by a deformation measuring method of interframe displacementYong He, Xue-feng Liu, Fang Qin, and Jian-xin Xie Key Laboratory for Advanced... decrease the wire diameter fluctuation during dieless drawing, that is, the standard deviation of the wire diameter fluctuation could be decreased from 0.30 to 0.08 mm after three passes of dieless drawing......
珠光体钢丝冷拉拔过程中微观组织及铁素体微区取向与织构演变张晓丹1,1,刘伟1,刘庆2(1.北京市清华大学材料科学与工程系2.重庆大学 材料学院)摘 要:采用电子通道衬度(ECC)和电子背散射衍射(EBSD)技术研究了珠光体钢丝冷拉拔过程中微观组织的变化,铁素体微区取向与织构演变,结果表明,珠光体变形组织中存在剪切带(S带),它们的出现与渗碳体片条和拉拔方向之间的夹角有关:夹角越大,S带越多,随着拉拔应变量的增大,纵截面上珠光体片条逐渐转向拉拔方向,S带方向与拉拔方向的夹角逐渐减小,珠光体内的S带会引起铁素体晶粒......
Trans. Nonferrous Met. Soc. China 22(2012) 1723-1731 Advanced simulation of die wear caused by wire vibrations during wire-drawing process LEE Kyung-Hun1, LEE Sang-Kon2, KIM Byung-Min3 1. Precision... 2012 Abstract: An advanced simulation that considers the effect of wire vibrations was proposed for predicting accurately wear profiles of a die used in a wire-drawing process. The effect of wire......
Analysis of elliptical cup drawing process of stainless sheet metal Yuung-ming HUANG, Shiao-cheng LU Department of Mechanical and Computer-Aided Engineering, St. John’s University, Taipei 25135... the relationship between punch load and stroke, the thickness distribution, the deformation history and the forming limit of work-piece in the elliptical cup drawing process. The numerical analysis and experiment......