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首页> 外文会议>ASME international manufacturing science and engineering conference >Combined Extrusion-Forging: Simulation, Experimental and Microscopic Investigation of Axisymmetric Single Collar Collet Chuck Holder
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Combined Extrusion-Forging: Simulation, Experimental and Microscopic Investigation of Axisymmetric Single Collar Collet Chuck Holder

机译：组合挤压锻造：轴对称单项圈式夹头卡盘座的仿真，实验和微观研究

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摘要

Combined Extrusion-Forging process is a renowned metal forming method which serves as a pathway for manufacturing components of complex design. In that context processing a component with better mechanical and metallurgical properties can be enhanced by severe plastic deformation which processes the fine-grained materials formation in the product. These finegrained materials achieved by SPD makes the component with superior quality. The novelty of the concept is to validate the presence of fine-grained materials at lower ram displacement. This paper presents the estimated forming load, metal flow pattern and alike, using aluminum 1072 as billet material for manufacturing SCCCH, along with micro-structural validation by experimental die-punch setup and simulation using modelling software DEFORM3D. Numerical analysis was also performed to estimate the forming load and metal flow patterns. Good number of experiments has been carried out at various punch movements to find out forming load and metal flow pattern. Microscopic analyses have been performed to validate the data with the results obtained from the experimentation. It was found that the numerical data was well validated with the experimental results. Further, Micro-hardness analysis was also performed. As the component was manufactured on application of heavy loads, the residual stress was also found to check the load carrying capacity of the component.
机译：组合挤压锻造工艺是一种著名的金属成型方法，可作为制造复杂设计部件的途径。在这种情况下，可以通过严重的塑性变形来增强具有更好的机械和冶金性能的部件，该塑性变形会处理产品中细颗粒材料的形成。通过SPD获得的这些细颗粒材料使组件具有卓越的品质。该概念的新颖性是为了验证在较低的柱塞位移下细颗粒材料的存在。本文介绍了使用铝1072作为制造SCCCH的坯料的估计成形载荷，金属流型等，以及通过实验冲模设置进行的微观结构验证以及使用建模软件DEFORM3D进行的仿真。还进行了数值分析，以估计成形载荷和金属流型。在各种冲头运动中已经进行了大量的实验，以找出成形载荷和金属流型。已经进行了微观分析，以利用从实验中获得的结果来验证数据。发现数值数据与实验结果得到了很好的验证。此外，还进行了显微硬度分析。由于部件是在重载下制造的，因此还发现了残余应力可以检查部件的承载能力。

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