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유럽 중부지방의 산림작업용 기기의 (機器) 조사검토 (1) - 도끼편 -
Investigation of Forest Maschines and Tools in Central Europe (1) - On the Ax -
마상규 ( Sang Kyu Ma )
UCI I410-ECN-0102-2008-520-002107078

The developed record of forest maschines and tools in West Germany, Austria and Swiss, their technical characteristics and the working methods with them have been tried to investigate through the study of literature and observation The aim of this investigation is to find out and introduce the technical information for training our forest men with them and for improving or developing our forest maschines and tools. Although ax chosen as first report for this aim is the oldest tool in the mankind history, still this is widely using in the forest work. And this has some special working filed that any other maschines could not overcome and sometimes should be recommended in the agronomical sideview. Through this investigation several points could be proposed as the technical informations when we will try to improve our ax 1. Radius of as-face curvature is proposed to be 150 mm and it`s central point to be passed at one third point near to ax-eye 2. Cutting angle is proposed to be 30˚, ax-thick at 10 mm distance from ax-face to be 4 mm, thick at 30 mm distance from face to be 5 to 6 mm and ax-face width to be 125±5 mm 3. Neck size is proposed to be 3.5±0.5×5.5±0.5 cm with a little curvature and neck thick from ax-house to be more than 1.5 cm. 4. Ax weight is proposed to be 1,000 gr with the stupid back and the sharp front. 5. The handle length of ax will be followed to the arm length of our forest workers.

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