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Silva Fennica vol. 50 no. 21 | 1942

Category: Article

article id 7374, category Article
Paavo Aro. (1942). Eräitä halkosahoilla suoritettujen sahauskokeiden tuloksia. Silva Fennica vol. 50 no. 21 article id 7374. https://doi.org/10.14214/aff.7374
English title: Results of sawing experiments using wooden bow saw.
Original keywords: aikatutkimus; katkonta; sahanterät; halkosaha
English keywords: time study; cross-cutting; saw blades; wooden bow saw; bow saw
Abstract | View details | Full text in PDF | Author Info

Effectiveness of 18 different saw blades of wooden bow saw from four producers (Oy Suomen Sandvik Sahat, Epilä Oy, Ab Orsa Sågbladsfabrik Oy, Kone ja Terä Oy) was tested in 1937. The experiments were divided into test series according to type of maintenance of the blade and tree species (Scots pine, Norway spruce and birch) to be sawn. Each saw blade was sharpened into four different sharpening angles (54°, 60°, 64°, 70°). Four blades had markedly longer sawing times compared to the others. These blades had a special serration. In addition, two blades with sparse serration had slightly poorer results than the blades in general. When the tree species were compared, birch (Betula sp.) was slowest to saw followed by Scots pine (Pinus sylvestris L.) and Norway spruce (Picea abies (L.) Karst.).

The PDF includes a summary in German.

  • Aro, E-mail: pa@mm.unknown (email)

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