MECHANISM FOR IMPULSE FEED OF WELDING WIRE Russian patent published in 2001 - IPC

FIELD: welding equipment, mainly, mechanisms for feeding welding wire to zone of electric arc processes in different branches of industry. SUBSTANCE: mechanism includes one rotation axis for each armature 7 supporting respective clamp 5 for wire 6. Armature 7 is mounted with possibility of rocking relative to rotation axis; it is in the form of magnet arranged in zone of magnetic field action of respective generator 3 of magnetic field 4 and it is rigidly joined with corresponding elastic member 2. Generator 3 of magnetic field 4 is in the form of ring with pole protrusions 8. EFFECT: enhanced reliability, long useful life period, accelerated discrete feed of wire without formation of complex pulse signals. 7 cl, 2 dwg