Box turning tool for automatic screw machine

Details Box turning tool for automatic screw machine Box turning tool for automatic screw machine

1997-10-14

1999-10-05

Pitts, Andrea L.

Turning

Lathe

82123, 82152, 82157, 82158, 82161, B23B 300, B23B 2900

Patent

active

059606886

ABSTRACT:
A box turning tool for a Greenlee automatic screw machine with a conventional endworking attachment uses a conventional indexable carbide insert to produce proper cutting action on a workpiece. The box turning tool has a shank clamped in the endworking attachment. The shank has an insert seat that lies in a transverse plane that makes an angle of approximately 83 degrees with a central longitudinal plane defined by the shank. The indexable carbide insert cutting edge is mounted to the shank insert seat such that a cutting edge is inherently parallel to a horizontal plane passing through the longitudinal axis of the automatic screw machine spindle and the workpiece. The shank is adjusted in the endworking attachment to bring the carbide insert cutting edge into coincidence with the horizontal plane through the automatic screw machine longitudinal axis. The shank can be formed to locate the carbide insert such that the cutting tip thereof leads or trails the cutting edge.

REFERENCES:
patent: 1864046 (1932-06-01), Lange
patent: 3491628 (1970-01-01), Head
patent: 3636805 (1972-01-01), Somma et al.
patent: 4986151 (1991-01-01), Horn
Exbibit A--Speed and Feed Charts for Greenlee Automatic Screw Machines showing endworking attachments thereon.
Exhibit B--page from W. A. Whitney Co. catalog showing endworking attachment with high speed cutting tool.

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