33 research outputs found

    Influence of Small Control Levers of Grapple Loader on Muscle Strain, Productivity and Control Errors

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    Small-sized mini-levers were compared to conventional levers in forwarder grapple loading of timber using a forest machine simulator in clear-cutting and thinning conditions. No effect on time consumption per burden was observed, but muscle constriction in the trapezius muscle measured using EMG was lower when the mini-lever option was used. Control errors were measured by counting the contacts between the remaining trees and the machine elements. These were interpreted to result in damage to the trees. The frequency of this kind of damages was significantly smaller when using the mini-lever option

    Ravisteleeko rakennemuutos metsänhoitoa?

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    Metsänomistajan tulevaisuudentoive: laatutukkia toimivilta puumarkkinoilta

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    Timber procurement

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    Kustannukset kuriin metsänhoidossa

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    Oikea ajoitus säästää euroja taimikonhoidossa

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    Heinäntorjunta varmistaa viljelytyön onnistumista

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    Effect of slash and stump removal on soil preparation and planting

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    Summary of small-scale enterprises in the forestry sector in Finland

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