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Patent Searching and Data


Title:
NC LATHE AND MACHINING METHOD USING THE SAME
Document Type and Number:
Japanese Patent JP2018130781
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an NC lathe capable of highly accurately processing a workpiece while reducing influences of positional displacement between a rotation axis of a tool holder and a center axis of a rotary cutting tool.SOLUTION: The present invention relates to an NC lathe comprising: a main shaft on which chuck means for holding a workpiece is mounted; a main shaft drive source 22 for rotating the main shaft; a rotary cutting tool for machining the workpiece; a drive source 30 for tool rotation for rotating the rotary cutting tool; and a controller 52 for controlling the main shaft drive source 22 and the drive source 30 for tool rotation. The controller 52 synchronously performs rotation control on the main shaft drive source 22 and the drive source 30 for tool rotation in such a manner that a rotation speed (r) of the rotary cutting tool becomes n-times or 1/n times ((n) is an integer equal to or larger than "1") as high as a rotation speed R of the main shaft. The synchronous rotation control is performed on the same rotation condition during first machining and second machining (or machining after the second machining).SELECTED DRAWING: Figure 5

Inventors:
森本 喜隆
金子 義幸
Application Number:
JP2017024453A
Publication Date:
August 23, 2018
Filing Date:
February 13, 2017
Export Citation:
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Assignee:
学校法人金沢工業大学
高松機械工業株式会社
International Classes:
B23B1/00; B23B3/26; B23B5/36; B23Q15/00; G05B19/18
Attorney, Agent or Firm:
岸本 忠昭
松下 ひろ美