Tool turret for a machine tool and lathe with such a tool turret

Details Tool turret for a machine tool and lathe with such a tool turret Tool turret for a machine tool and lathe with such a tool turret

1998-09-09

2000-10-10

Briggs, William

Metal working

Plural diverse manufacturing apparatus including means for...

With turret mechanism

29 27C, 29 36, 29 485A, 82127, 82159, B23B 330, B23B 2924

Patent

active

061288128

ABSTRACT:
In a tool turret for a machine tool, in particular, a lathe, comprising a turret head rotatable about a turret indexing axis, the turret head tapering on either side of a diameter plane of the turret head extending perpendicularly to the turret indexing axis and having on each side of this diameter plane a circular ring-shaped row of tool stations which is concentric with the indexing axis, each of the tool stations having a tool receiving means for clamping a toolholder for a machining tool, in order to increase the machining operations which are performable with a tool turret and the machining accuracy, such a tool turret is so designed that: each tool station comprises a planar contact surface formed by the outer surfaces of the turret head for a toolholder; the contact surfaces of the two rows of tool stations define regular pyramids of identical shape which point away from one another and whose axes coincide with the turret indexing axis; each row of tool stations has at least one tool receiving means for a drivable tool, and the axis of the tool receiving means extends perpendicularly to the contact surface of the respective tool station; and two adjacent tool receiving means for drivable tools belong to different rows of tool stations and are offset from one another with respect to angle of rotation in relation to the turret indexing axis.

REFERENCES:
patent: 2685122 (1954-08-01), Berthiez
patent: 3955257 (1976-05-01), Herbst et al.
patent: 4061061 (1977-12-01), Lahm et al.
patent: 4297925 (1981-11-01), Ishizuka et al.
patent: 4700442 (1987-10-01), Lahm
patent: 4741078 (1988-05-01), Kimura
patent: 4819311 (1989-04-01), Hashimoto et al.
patent: 5293793 (1994-03-01), Hessbruggen et al.
patent: 5842289 (1998-12-01), Hardesty et al.
Index G30/150NC; German Brochure by Index-Werke KG, Printed Nov. 1977.

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