精益生产在再制造中的应用——以墨盒再制造企业为例

J. Ostlin, Helene Ekholm
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引用次数: 35

摘要

Scandi-Toner AB与墨盒的再制造合作;与普通制造业相比,Scandi-Toner公司和再制造行业一般都具有一些特定的特征,由于生产过程中的高度不确定性,这些特征可能会限制应用精益生产原则的可能性。这些不确定性主要由两个因素引起:回芯的数量和质量。总的来说,这些特点使得再制造物料流更难控制。因此,本文的目的是分析物料流的精益生产原则是否可以应用于再制造环境,特别是瑞典再制造商Scandi-Toner AB。分析表明,精益生产原则可以应用于再制造环境,但有一些限制。对于案例公司,研究表明,例如车间布局可以根据精益生产原则得到显着改善。从这一分析中可以得出的一个主要结论是,可变加工时间的固有特征和回收材料的不确定性对实施精益生产过程产生了重大的负面影响。反之亦然,如果重新组装的零件供应准确,那么精益生产材料流的所有适当原则都可以在重新组装和测试阶段实施。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Lean Production Principles in Remanufacturing A Case Study at a Toner Cartridge Remanufacturer
Scandi-Toner AB works with remanufacturing of toner cartridges; both color cartridges and black cartridges The company Scandi-Toner and the remanufacturing industry in general do, compared to ordinary manufacturing, have some specific characteristics that might limit the possibilities to apply lean production principles, due to the high degree of uncertainty in the production process. These uncertainties are mainly caused by two factors: the quantity and quality of returned cores. Overall, these characteristics make the remanufacturing material flow harder to control. Hence the purpose of this paper is to analyze if lean productions principles for material flow can be applied in a remanufacturing environment, and especially at the Swedish remanufacturer Scandi-Toner AB. The analysis shows that lean production principles can be applied in remanufacturing environments, with some constraints. For the case company the study showed that for example the workshop layout could be improved significantly according to lean production principles. The one major conclusion that can be drawn from this analysis are that the inherent characteristics of variable processing times and uncertainty in materials recovered have the major negative impact for implementing a lean production process. Vice versa, given an accurate supply of parts for reassembly, all the appropriate principles of a lean production material flow can be implemented in the phases of reassembly and testing.
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