Die rolling machine

Details Die rolling machine Die rolling machine

1980-02-26

1982-04-06

Larson, Lowell A.

Metal deforming

By use of tool acting during relative rotation between tool...

During rotation of work

72104, 72108, B21B 3124

Patent

active

043229611

ABSTRACT:
A machine for the rolling of cylindrical forms such as threads, worms, serrations, and annular forms, using two cylindrical dies whose axes are parallel or slightly skewed with respect to the axis of rotation of the workpiece, wherein the dies are supported on pivoting arms whose pivot points are cooperatively adjustable about a fixed horizontal centerline to provide for work diameter and die size changes. Workpiece size adjustment is achieved by a micrometer drawbar which can be either fixed for thru-feed work or hydraulically or mechanically actuated for infeed work. The dies are cooperatively driven by a central gearbox consisting of a hollow distributor gear flanked by two spindle drive gears, said drive gears being connected to the ends of the die spindles by universal joints.

REFERENCES:
patent: 181010 (1876-08-01), Prosser
patent: 430359 (1890-06-01), White
patent: 637320 (1899-11-01), Billings
patent: 1141427 (1915-06-01), Simpkins
patent: 2294685 (1942-09-01), Nelson
patent: 2771799 (1956-11-01), Batchelder
patent: 3269161 (1966-08-01), Greis

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