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Polyurethane-rubber punching process for micro-hole arrays

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Abstract

In this work, a micro punching equipment was designed and assembled for punching components with micro hole array. Micro hole array in 800 μm scale was punched successfully on blanked parts using this equipment. Punch experiments under different punch conditions were conducted to explore the effect laws of cavity depth, punch force and punch speed on punching process and quality of punched holes. To improve the process performance of the developed equipment, an ultrasonic vibration module was designed and assembled to the existing system based on its function of softening materials, the equipment’s process parameter scope such as cavity depth was optimized then. The results in this work proved the practicability of the developed micro punching equipment for punching components with micro hole array, the influence mechanism of punching conditions on punching process, and the optimization function of ultrasonic vibration on micro punching process, which could be useful in improving machining efficiency and cost of punch fabrication.

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Acknowledgments

This work was supported by National Science and Technology Major Projects of China (Grant No. 2013ZX04001-091-1).

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Authors and Affiliations

  1. Key Laboratory for Precision and Non-Traditional Machining Technology of the Ministry of Education, Dalian University of Technology, Dalian, 116024, People’s Republic of China

    Jing Sun, Shining Zhou, Xiaolong Yang, Yingjie Xing & Xin Liu

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  1. Jing Sun
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  2. Shining Zhou
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  3. Xiaolong Yang
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  4. Yingjie Xing
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  5. Xin Liu
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Correspondence to Xin Liu.

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Sun, J., Zhou, S., Yang, X. et al. Polyurethane-rubber punching process for micro-hole arrays. Microsyst Technol 23, 2943–2950 (2017). https://doi.org/10.1007/s00542-016-3089-7

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  • DOI: https://doi.org/10.1007/s00542-016-3089-7

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