Rotatably driven cutting tool e.g. machine reamer, for machining of holes, has cutting parts fixedly attached in fluid communication between inner recesses of tube and axially faced toward ends of tube of individual flutes

摘要

The tool has two shafts (24) attached to an integral coolant/lubricant supply. Individual flutes (28) are separated by cutting parts (22). Cutting webs (30) are formed in the shafts by end faces of a tube. The cutting parts are fixedly attached in fluid communication between inner recesses (40) of the tube and axially faced toward ends of the tube of the individual flutes. A conic extension unit (40K) of the inner recess of the pipe is located in the cutting parts that are arranged at the tube. The cutting parts are made of full hard metal, cubic boron nitride and polycrystalline diamond.