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Structure of the harvester's operation time utilization under conditions of Polish forests

100%

Nurek T.

Annals of Warsaw University of Life Sciences - SGGW. Agriculture

2013

nr 62 Agric.Forest Eng.

Achievement of beneficial economic results of timber harvesting with the use of harvesters is greatly determined by appropriate organization of their operation. It is important to find the solutions that could maximally reduce the share of working day phases that are unconnected with production. The carried out simulation calculations enabled to determine the working time structure under most favourable conditions, without preparation of bases and making passages to them and under conditions similar to the real ones. The experiments were executed for various number of tasks; therefore, the effect of passages between bases on working day structure was investigated also. The obtained results showed a very strong effect of mentioned factors working day utilization. In most favourable conditions and 100 tasks, about 50% of total time is taken by operating time that is directly devoted to execution of tasks, while in less favourable conditions and 600 tasks only 5% of time is spent on timber harvesting with the machine; the remaining part of time can be regarded as the lost time.

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1 Annals of Warsaw University of Life Sciences - SGGW. Agriculture

1 Nurek T.

1 2013

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Structure of the harvester's operation time utilization under conditions of Polish forests