EFFECTS OF CHIP THICKNESS KNIFE RAKE ANGLE AND WOOD MOISTURE CONTENT ON THE CUTTING RESISTANCE OF 15 HARDWOODS CONTROL OVER KNIFE SHARPNESS IN DETERMINING WOOD CUTTING RESISTANCE STUDIES ON THE EFFECTS OF CHIP THICKNESS,KNIFE RAKE ANGLE,AND WOOD MOISTURE CONTENT ON THE CUTTING RESISTANCE OF 11 CONIFEROUS WOODS STUDIES ON RELATIONSHIP BETWEEN WOOD DENSITY AND CUTTING RESISTANCE OF 11 CHINESE CONIFEROUS WOODS STUDIES ON THE RELATIONSHIP BETWEEN WOOD DENSITY AND CUTTING RESISTANCE WITH KOREAN PINE AND MANCHURIAN ASH A STUDY ON CUTTING PROPERTIES OF WOOD OF KOREAN PINE AND MANCHURIAN ASH TEST AND STUDY ON THE OPTIMIZATION OF CUTTING PARAMETERS OF THE CORMS OF CHINESE PINE STUDIES ON RELATIONSHIP BETWEEN WOOD DENSITY AND CUTTING RESISTANCE OF 15 CHINESE HARDWOODS MODELLING THE VARIATION IN CUTTING RESISTANCE OF VARIOUS WOOD SPECIES