ULTRASONIC CUTTING DEVICE

To provide a configuration that excites ultrasonic vibration to a cutting tool without fear of destruction even if a large mechanical load is applied to the cutting tool.SOLUTION: An ultrasonic cutting device includes: a rotary shaft 1; a cylindrical flange 3 detachably attached to the rotary shaft...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YAMAKAWA TAKASHI, ONISHI KAZUMASA
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BROACHING CUTTING CUTTING-OUT DRESSING OR CONDITIONING OF ABRADING SURFACES FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS FILING FOR PERFORMING MECHANICAL WORK IN GENERAL GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL GRINDING HAND CUTTING TOOLS LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOTOTHERWISE PROVIDED FOR MACHINE TOOLS MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING METAL-WORKING NOT OTHERWISE PROVIDED FOR METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICALVIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY PERFORATING PERFORMING OPERATIONS PLANING POLISHING PUNCHING SAWING SCRAPING SEVERING SEVERING BY MEANS OTHER THAN CUTTING SHEARING SLOTTING STAMPING-OUT TRANSPORTING WORKING CEMENT, CLAY, OR STONE WORKING STONE OR STONE-LIKE MATERIALS
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Beschreibung
Zusammenfassung:	To provide a configuration that excites ultrasonic vibration to a cutting tool without fear of destruction even if a large mechanical load is applied to the cutting tool.SOLUTION: An ultrasonic cutting device includes: a rotary shaft 1; a cylindrical flange 3 detachably attached to the rotary shaft 1; a disk-shaped cutting tool 5 extending radially outward from the cylindrical flange 3; and an annular piezoelectric element 7 detachably attached to the rotary shaft 1. An inner diameter of the piezoelectric element 7 is equal to or greater than a diameter of the rotary shaft 1, the cylindrical flange 3 and the disk-shaped cutting tool 5 are made to be an integral structure, the disk-shaped cutting tool 5 has a solid structure without slit, and the piezoelectric element 7 is located away from the disc-shaped cutting tool 5.SELECTED DRAWING: Figure 1 【課題】切削具に大きな機械的負荷が与えられても、破壊のおそれがない超音波振動を切削具に励起する構成を提供する。【解決手段】超音波切削装置は、回転軸１と、回転軸１に着脱可能に取り付けられた円筒フランジ３と、円筒フランジ３から径方向外側に広がる円盤状切削具５と、回転軸１に着脱可能に取り付けられた環状の圧電素子７を備える。圧電素子７の内径は、回転軸１の直径以上であり、円筒フランジ３および円盤状切削具５は一体構造物であり、円盤状切削具５は、スリットを持たない中実構造を有しており、圧電素子７は、円盤状切削具５から離れた位置にある。【選択図】図１