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AN INNOVATIVE APPROACH TO PREDICTION ENERGETIC EFFECTS OF WOOD CUTTING PROCESS WITH CIRCULAR-SAW BLADES
Abstract
In the classical approach, energetic effects (cutting forces and cutting power) of wood sawing process are generally calculated on the basis of the specific cutting resistance, which is in the case of wood cutting the function of more or less important factors. The aim of the paper is to present a new calculating model using the application of modern fracture mechanics and to compare cutting parameters of native beech, Bendywood and Belmadur. Cutting and feed forces are determined by the application of the Ernst-Merchant theory in the conditions of circular-saw blade cutting. It includes the prediction of the shear plane angle for the cutting models, which include fracture toughness in addition to plasticity and friction, broaden possibilities of energetic effects modelling of the sawing process even for small values of the uncut chip.
Authors (3)
-
Zdenek Kopecky
- Mendel University in Brno Faculty of Forestry and Wood Technology
-
Ludka Hlaskova
- Mendel University in Brno Faculty of Forestry and Wood Technology
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Details
- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
-
WOOD RES-SLOVAKIA
no. 59,
pages 827 - 834,
ISSN: 1336-4561 - Language:
- English
- Publication year:
- 2014
- Bibliographic description:
- Kopecky z., Hlaskova l., Orłowski K.: AN INNOVATIVE APPROACH TO PREDICTION ENERGETIC EFFECTS OF WOOD CUTTING PROCESS WITH CIRCULAR-SAW BLADES// WOOD RES-SLOVAKIA. -Vol. 59, nr. 5 (2014), s.827-834
- Verified by:
- Gdańsk University of Technology
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