Spinning machine

Details Spinning machine Spinning machine

1989-08-02

1990-12-11

Larson, Lowell A.

Metal deforming

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

During rotation of work

72 81, B21D 2218

Patent

active

049761269

ABSTRACT:
A spinning machine has a mold fixedly mounted on a spindle and a forming roller adapted to move in a predetermined manner so as to be pressed against the material to be formed mounted on the spinning mold. By moving the forming roller in a controlled manner, the material can be formed into a desired shape. The forming roller is mounted on a roller carriage reciprocable in one direction which is in turn supported by a transverse feed carriage reciprocable in a direction normal to the one direction. The carriages are driven by hydraulic cylinders. Two servo motors are provided to separately drive two rack gears in the above two normal directions. Two servo valves are provided, each adapted to move the respective hydraulic cylinders so that the carriages will move in synchronism with the respective rack gears. By manipulating a handle in a teaching unit, the servo motors and eventually the forming roller can be controlled in a desired manner. The driving signals thus given to the servo motors are stored in a position controller and a sequencer so that the servo motors can be automatically controlled in the next operation, based upon the signals or data stored.

REFERENCES:
patent: 4380916 (1983-04-01), Tanaka
patent: 4509351 (1985-04-01), Rolin et al.

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