A numerical simulation of static stiffness and strength of circular saw blade

Abstract

The paper deals with the evaluation of the static stiffness and strength, which are critical parameters affecting the stability of the machining process but also the safety and durability of the wood cutting tools. Circular saw blade models for the purpose of computer numerical simulation were proposed using finite element methods, and verified in earlier research. Deformation response was observed, depending on the input parameters correlating to the saw blade woodworking conditions. The strength of the saw blade was compared with the different clamping methods and different thickness of the circular saw blade. An article gives a disturbing finding how minor change in the quality of the circular saw blade clamping, specifically one degree of misalignment, leads to critical states and probable cause of damage.

Strategy of numerical modelling for band saw blade on wood logs cutting

“…In this work, an FEM model is proposed to observe the influence of the cutting force, in the behavior of the tension in the saw blade during the operation and to verify the concentration of tensions in different regions of the tool. Research carried out emphasized working with wood cutting, in which cutting speeds close to 100 m/s were easily achieved in the operation [7].…”

“…Already in research for resistance analysis, a 3D model of a circular saw blade was used, later it was loaded with two force components, according to machining theory, these are the components Fc and Fp and then the saw blade was subjected to centrifugal force [7].…”

Ağaç Malzemelerin Daire Testere Makinelerinde İşlenmesinde Testere Geometrisi ve Uygulama Koşullarının Önemi

“…It should be considered that it can be broken on weak points like between the outer slot and the key. It was recommended to use a circular saw blade with the slots rotated by 45° [24,49].…”

“…There are many kinds of these in terms of the number of teeth, tooth form and material and the machining conditions. For this reason, it can be stated that the choice of saw blade is so important in terms of capacity, efficiency and end-product quality [9,[20][21][22][23][24] In this study, saw blade geometry, selection and factors affecting the machining were studied in the machining of wood and wood-based materials in circular sawing machines. Also, the problems and solutions proposal encountered in the circular saws during in sizing are stated.…”