Title:
LATHE
Document Type and Number:
Japanese Patent JPS61214903
Kind Code:
A
Abstract:
A lathe (1) for machining a balloon-shaped pocket (2) in a turbine rotor comprises a carriage (13) disposed on ways (15) to move axially along the bed of the lathe (1) and a cross-feed (19, 31) mounted on the carriage (13), which moves toward and away from the axis of the lathe. A tear-dropped shaped tool holder (21, 27) for holding a single-edged cutting tool (23) is disposed on the cross-feed (19, 31) in such a manner that the cutting tip of the single-edge tool (23) moves in a circular arc and cooperates with the cross-feed (19, 31) to cut a balloon-shaped pocket (2) in a turbine rotor.
Inventors:
BOBII REI KERAA
Application Number:
JP5384086A
Publication Date:
September 24, 1986
Filing Date:
March 13, 1986
Export Citation:
Assignee:
WESTINGHOUSE ELECTRIC CORP
International Classes:
B23B5/00; B23B5/36; (IPC1-7): B23B5/36
Domestic Patent References:
| JPS597502A | 1984-01-14 |
Attorney, Agent or Firm:
Michiteru Soga
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