The aim of the thesis was to establish the roughness of wood surface in two different ways of wood turning; the conventional and the driven-tool turning. The processed object in the conventional turning rotates with high rotational speed while the blade moves along the object with which it is constantly in contact. On the other hand, the rotational speed of the processed object in the driven-tool turning is essentially lower. Also, the tool moves slowly along the processed object but with high rotational speed. For this way of turning (i.e. the driven-tool turning), a special cutting tool was made. The same wide tool rake angle was used for both ways of processing. The experiments were carried out on four different tree samples: beech, oak, maple and ash wood. The surface quality was supervised with two roughness measuring instruments which show different parameters of the measured surface. The experiments showed that the surface in the driven-tool turning is of better quality than the surface in the conventional turning, but some unwanted waves on the surface can be noticed.
|