TOOL, DIAMETER ADJUSTMENT METHOD, AND DRILL

TOOL, DIAMETER ADJUSTMENT METHOD, AND DRILL

To provide a tool which can maintain sharpness, and to provide a diameter adjustment method and a drill.SOLUTION: A drill 1 includes first to third radius parts 11 to 13 extending in a radial direction R with a rotation axis Ax set to the center and extending in directions different from each other...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TAKADA ATSUSHI, TAKADA YAMATO, OHASHI KYOSUKE, TAKADA DAICHI
Format: Patent
Sprache:eng ; jpn
Schlagworte:
BORING
GRINDING
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
MILLING
PERFORMING OPERATIONS
POLISHING
TOOLS FOR GRINDING, BUFFING, OR SHARPENING
TRANSPORTING
TURNING
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Beschreibung
Zusammenfassung:To provide a tool which can maintain sharpness, and to provide a diameter adjustment method and a drill.SOLUTION: A drill 1 includes first to third radius parts 11 to 13 extending in a radial direction R with a rotation axis Ax set to the center and extending in directions different from each other when viewed from a direction along the rotation axis Ax. The first to third radius parts 11 to 13 include: abrasive grains for processing a workpiece; and holding materials which hold the abrasive grains.SELECTED DRAWING: Figure 2 【課題】切れ味を維持することができる工具、径調整方法及びドリルを提供する。【解決手段】ドリル１は、回転軸Ａｘに沿う方向から見て、回転軸Ａｘを中心に径方向Ｒに延び、互いに異なる方向に向けて延びる第１～第３半径部１１～１３を備える。第１～第３半径部１１～１３は、被加工物を加工するための複数の砥粒と、複数の砥粒を保持する保持材と、を備える。【選択図】図２