COMPOSITE CUTTING TOOL AND METHOD FOR MANUFACTURING RESIN SHEET USING SAME

Provided are a composite cutting tool capable of cutting even a thick workpiece without failure, and a method capable of efficiently and easily manufacturing a resin sheet using such a composite cutting tool. A composite cutting tool according to an embodiment of the present invention is provided with: a main body that rotates about a rotation axis; a cutting edge provided on the outer periphery of the main body, the cutting edge having a cutting edge, a rake face, and a flank face; and an abrasive portion provided as a protrusion having a file-like surface on a part of the flank of the cutting edge. A method of manufacturing a resin sheet according to an embodiment of the present invention includes: forming a workpiece by overlapping a plurality of resin sheets; and cutting the peripheral surface of the workpiece by using the composite cutting tool. 提供一种即使是较厚的工件也能够无故障地切削的复合切削工具、以及使用这样的复合切削工具的能够高效率且简便地制造树脂片的方法。本发明的实施方式的复合切削工具具有：主体，以旋转轴为中心旋转；切削刃，设置在该主体的外周部，具有刀尖、前刀面和后刀面；以及研磨部，作为具有锉状表面的突出部设置在该切削刃的后刀面的一部分上。本发明的实施