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The distribution of effective time, output and work quality of three medium-sized excavators were observed in a time study. The distribution of operation time and productivity were included in a follow-up study. Digging time varied between 81-91%. Average availability was 85% and the productivity/operation time 157 m/h during ditch digging. The corresponding values during ditch cleaning were 89% and 221 m/h.
Keywords: Digger, ditching, effective time, excavator, operation time
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Salo,
Pappilantie 2, SF-60550 Nurmo, Finland
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