Improving the efficiency of remanufacture through enhanced pre-processing inspection – a comprehensive study of over 2000 engines at Caterpillar remanufacturing, U.K.

Abstract

Remanufacturing returns used product to an ‘as-new’ condition and is a key strategy in environmentally conscious manufacturing and waste management. However, strategies to improve the efficiency of the process are hampered by a lack of remanufacturing-specific industrial research. This paper presents the results of quantitative research, conducted in an industrial remanufacturing facility, to establish the relationship between pre-processing inspection levels and the subsequent remanufacturing process time for returned used products (known as cores). It concludes that for cores having either complex geometry (such as internal ports), a large number of sub-components or that are constructed from, or comprising of, multiple materials the remanufacturing process is shortened by increased inspection prior to processing. However, these benefits are currently limited by the amount of information that can be gained from the inspection methods used. The authors describes the practical use of these results in both a decision-making methodology for inspection and a cost assessment tool.

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