DEVICE FOR PLANETARY ELECTRODE WIRE FEEDING WITH AUTOMATIC STMENT OF CALIBRATED PUSHING FORCE
This invention is concerned with a device for planetary electrode-wire feeding with automatic adjustment of calibrated pushing force. This device is driven by an electric motor, provided with an hollow shaft rigidly fixed to a guiding cone. This guiding cone is coupled by means of a running thread t...
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Format: | Patent |
Sprache: | eng ; fre |
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Zusammenfassung: | This invention is concerned with a device for planetary electrode-wire feeding with automatic adjustment of calibrated pushing force. This device is driven by an electric motor, provided with an hollow shaft rigidly fixed to a guiding cone. This guiding cone is coupled by means of a running thread to the housing of a device in which are situated pistons lying in a plane perpendicular to the direction of the electrode wire driven by double-armed levers attached by means articulated Joints to the housing. Wire-feeding rollers of a particular type angularly oriented, are axially mounted on the pistons. According to the invention, the pistons are connected together with calibrated springs, while the axes of the wire feeding rollers lie in tow opposite quadrants of an imaginary co-or-dinate system, the center of which is the axis of movement of the electrode-wire. |
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