Lathe for machining hollow parts

Details Lathe for machining hollow parts Lathe for machining hollow parts

1075-04-01

1976-02-10

Hinson, Harrison L.

Turning

Severing or cut-off

Interrelated means for tool infeed and circumrotation

82 16, B23B 2100, B23B 530

Patent

active

039371107

ABSTRACT:
A lathe for machining interior surfaces of revolution in hollow parts supported on a rotational axis by a head-stock and including a pair of transversely and longitudinally movable carriages arranged symmetrically on the work piece rotatable axis, the carriages each supporting at least one tool holder bar projecting along the work piece rotational axis and having a cooperating cross-sectional configuration by which the tool holder bars are supported along their length by engagement with each other. Alternatively the carriages may support turrets each carrying a plurality of cooperable tool holding bars in a manner such that the operative pair of tool holding bars derives similar support one from the other. In both embodiments, the cutting tools supported by the bars are disposed on a diametric plane inclined with respect to the holder bar in engagement plane to resolve all cutting forces into exclusively torsion on the tool holder bars.

REFERENCES:
patent: 1963023 (1934-06-01), Libby
patent: 3187611 (1965-06-01), Sweet

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