ROTARY TOOL AND METHOD FOR MANUFACTURING CUT PRODUCT USING SAME

• Main Authors: HATANO, Hirokazu, NAMBA, Mutsumasa
• Format: Patent
• Language: English; French; Japanese
• Published: 24.05.2018
• Subjects: BORING; MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; PERFORMING OPERATIONS; TRANSPORTING; TURNING

A rotary tool based on an embodiment has a main body, and the main body is provided with a cutting edge and a first flute. The first flute has a first region having a first helix angle, a second region having a second helix angle, a third region having a third helix angle, a fourth region having a f...