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Analysis of energy efficiency in PCB manufacturing process

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Abstract

Recently, development of renewable energy and improvement of energy efficiency become important issues due to high oil price and global warming. The improvement of energy efficiency restrains the growth rate of energy demand to result in delaying or reducing the expansion of energy supply facilities. As most of energy consumption occurs in industries, it is natural that various methods are sought for energy savings through an efficient management of energy resources consumed in shop floors of industries. In this paper the Energy Resource Management (ERM) system is proposed efficiently to manage and analyze energy consumption and CO2 emission in industries. Data of energy consumption are measured in real time by means of electric power meters and stored in the ERM system by using Machine-to-Machine (M2M) devices. Energy efficiency of a manufacturing process is analyzed based on the data. In this paper the system is implemented in the inner scrubbing process and drilling process for manufacturing PCB and the reflow soldering process for surface mounting of chips or devices on PCB. The results obtained from the implementation are analyzed and reviewed to check usefulness and reliability of the ERM system. The ERM system proposed in this paper mainly for monitoring and analysis of energy consumption can be utilized as the guidelines to manage and improve the energy efficiency in manufacturing processes.

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Abbreviations

A:

area of copper clad laminates (CCL) scrubbed (m2)

E:

quantities of comprehensive energy consumption (kWh)

es, ed, er :

key performance indexes to indicate energy efficiency in manufacturing processes

NB :

number of boards worked by a reflow machine

NH :

total number of holes to be drilled

pd :

productivity of drilling process

PQ:

produced quantity by a manufacturing process

Td :

working time of a drill machine (min)

v:

conveyer-belt speed of a reflow machine (m/min)

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Authors and Affiliations

  1. KITECH, 143 Hanggaulo, Sangrok-gu, Ansan-si, Gyeonggi-do, Korea, 426-791

    Gyu-Bong Lee, Min-Jae Ko & Tae-Jun Ku

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  1. Gyu-Bong Lee
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  2. Min-Jae Ko
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  3. Tae-Jun Ku
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Correspondence to Gyu-Bong Lee.

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Lee, GB., Ko, MJ. & Ku, TJ. Analysis of energy efficiency in PCB manufacturing process. Int. J. Precis. Eng. Manuf. 13, 1215–1220 (2012). https://doi.org/10.1007/s12541-012-0161-9

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  • DOI: https://doi.org/10.1007/s12541-012-0161-9

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