TURNING TOOL AND SPERICITY PROCESSING METHOD

To provide a turning tool capable of realizing high-precise sphericity processing for a high-hardness material and a high-precise sphericity processing method using the tool. Sphericity processing is performed by a circular tip in which a cutting edge has a circular shape and a radius of the circula...

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Bibliographic Details
Main Authors FUKASAWA, MASAYUKI, OKUNO, NAOKI
Format Patent
LanguageEnglish
French
German
Published 13.07.2016
Subjects
BORING
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
TRANSPORTING
TURNING
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Summary:To provide a turning tool capable of realizing high-precise sphericity processing for a high-hardness material and a high-precise sphericity processing method using the tool. Sphericity processing is performed by a circular tip in which a cutting edge has a circular shape and a radius of the circular shape is 2 to 5 mm and desirably 2 to 3 mm. As a holder, a shoulder formed between a front end of a shank and the tip is provided only at one side surface of the shank, the other holder side surface is formed in a straight shape, and a clamping portion of the front end of the shank is not provided with a protrusion portion provided in a cutting-off bite holder of the related art.
Bibliography:Application Number: EP20160150063