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首页> 外文期刊>Journal of Manufacturing Processes >Using micro deep drawing with ironing stages to form stainless steel 304 micro cups
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Using micro deep drawing with ironing stages to form stainless steel 304 micro cups

机译：使用带有熨烫台的微深冲成型来形成不锈钢304微杯

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摘要

The needs of stainless steel 304 micro cups have been increasing tremendously due to the trend of miniaturization in medical and electronic devices, etc. For application purpose, it is highly desired to have stainless steel micro cups with high CH/OD (cup height/outer diameter) ratios. Due to the constraints of the limit draw ratio (LDR) of stainless steel 304 sheets in micro deep drawing, forming a micro cup with high CH/OD ratio at room temperature cannot be achieved by using a single stage deep drawing die. A process consisting of one micro deep drawing and two ironing stages was proposed for achieving this goal; three micro dies were designed, fabricated and used for experimental validation. A series of experiments were conducted by using the stainless steel 304 sheets of 200 μm thickness annealed at four different temperatures to understand the influence of size effects on this process for generating knowledge, knowhow and technologies to form high quality stainless steel micro cups with large CH/OD ratio. No lubricant was used in this study. It was proven that the proposed process is a robust process as long as the sheets are annealed at the temperature no less than 900 C for more than 3 min.
机译：由于医疗和电子设备等的小型化趋势，对304不锈钢微型杯的需求已大大增加。出于应用目的，非常需要具有高CH / OD（杯高度/外径）的不锈钢微型杯。直径）比率。由于不锈钢304板在深冲中的极限拉伸比（LDR）的限制，使用单级深冲模具无法在室温下形成具有高CH / OD比的微杯。为了达到这个目的，提出了一种由一个深冲和两个熨烫阶段组成的工艺。设计，制造了三个微型模具，并用于实验验证。通过使用在四个不同温度下退火的厚度为200μm的不锈钢304板进行一系列实验，以了解尺寸效应对该过程的影响，以产生知识，知识和技术来形成具有大CH的高质量不锈钢微型杯/ OD比。在这项研究中没有使用润滑剂。事实证明，只要片材在不低于900℃的温度下退火3分钟以上，所提出的过程都是可靠的过程。

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  • 来源
    《Journal of Manufacturing Processes》 |2013年第2期|298-305|共8页
  • 作者

    Jenn-Terng Gau; Sujith Teegala; Kun-Min Huang; Tun-Jen Hsiao; Bor-Tsuen Lin;

  • 作者单位

    Department of Mechanical Engineering, Northern Illinois University, DeKalb, IL 60115, United States;

    Department of Mechanical Engineering, Northern Illinois University;

    DeKalb, IL 60115, United States;

    Micro/Meso Mechanical Manufacturing R&D Department, Metal Industries Research & Development Centre (MIRDC), Kaohsiung, Taiwan,Department of Mechanical and Automation Engineering, National Kaohsiung First University of Science and Technology, Kaohsiung, Taiwan;

    Department of Chemistry and Biochemistry, Northern Illinois University, DeKalb, IL 60115, United States;

    Department of Mechanical and Automation Engineering, National Kaohsiung First University of Science and Technology, Kaohsiung, Taiwan;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Micro deep drawing; Ironing; Size effects; LDR; Stainless steel 304;

    机译：微深拉;熨烫;尺寸效果;LDR;304不锈钢;

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