Lathe for machining balloon-shaped pockets in a workpiece

Details Lathe for machining balloon-shaped pockets in a workpiece Lathe for machining balloon-shaped pockets in a workpiece

1985-03-13

1986-11-25

Vlachos, Leonidas

Turning

Axial pattern

Pivoted tool rest

B23B 540

Patent

active

046241582

ABSTRACT:
A lathe for machining a balloon-shaped pocket in a turbine rotor comprising a carriage disposed on ways to move axially along the bed of the lathe, a cross-feed mounted on the carriage, the cross-feed moving toward and away from the axis of the lathe and a tear-dropped shaped tool holder for holding a single-edged cutting tool disposed on the cross-feed in such a manner that the cutting tip of the single-edge tool moves in a circular arc and cooperates with the cross-feed to cut a balloon-shaped pocket in a turbine rotor.

REFERENCES:
patent: 3211896 (1965-10-01), Evans et al.
patent: 3301104 (1967-01-01), Matlack
patent: 3966347 (1976-06-01), Watson
patent: 4453435 (1984-06-01), Sauerwald et al.

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