Method of machining a workpiece in a turret lathe and an NC lath

Details Method of machining a workpiece in a turret lathe and an NC lath Method of machining a workpiece in a turret lathe and an NC lath

1989-01-10

1991-11-05

Phan, Hien H.

Metal working

Method of mechanical manufacture

Shaping one-piece blank by removing material

29 27A, 29 27R, 51 54, 51 55, 82 18, 409132, 409166, 409211, B23B 536, B23B 3500

Patent

active

RE0337323

ABSTRACT:
A method of machining a workpiece, which is rotatable about a first axis, by a tool pivotable about a second axis parallel to the first axis and drivable about a third axis perpendicular to the second axis. To allow the circumference of the workpiece to be machined off-center without the necessity of moving the first or the second axis transversely to the plane defined by these two axes, the workpiece and the tool are rotated or pivoted about the first [or] and second [axis] axes, respectively, at the same time, in the same direction and at the same angular velocity and, simultaneously, the second axis is displaced transversely to the first axis at such a velocity that the equation X.sup.2 =Y.sup.2 +A.sup.2 always applies, wherein X is the distance of the second axis from the first axis, Y is the distance of the first axis from the plane defined by the second and third axes and A is the distance of the second axis from the vertical projection of the first axis onto this plane.

REFERENCES:
patent: 3958471 (1976-05-01), Muller
patent: 4180894 (1980-01-01), Link
patent: 4286483 (1981-09-01), Henneberg et al.
Traub CNC-Doppelschlittendrehautomat, 1983, p. 7.
Zusatz-Einrichtungen erweitern den Anwendungsbereich, Link, 1966, Periodical Werkstatt und Betrieb, p. 641.
CNC-Steuerung ermoglicht Frasen auf der Drehmaschine, 1983, Moderne Fertigung, pp. 8 to 10.
Article entitled, "Zwischen den Fronten", published 9/81, in NC-Fertigung.

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