TW-electroerosion apparatus with wheeled drive carriages

Chemistry: electrical and wave energy – Apparatus – Electrolytic

Patent

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Details

204225, 219 69W, B23H 710, B23H 726, B23K 716

Patent

active

046081437

ABSTRACT:
A traveling-electrode electroerosion apparatus using a pair of wheeled carriages which accommodate axial electrode drives and machining feed drives. The wheeled carriages also carry a pair of guide members for establishing a straight-line path for the electrode to travel through the workpiece. The axial drives used to maintain the electrode in traveling alignment with the straight-line path serve in this improvement to generate a tension force acting on the traveling electrode to force one of the wheeled carriages against one of two parallel surfaces and the other of the wheeled carriages to the other of the surfaces, thereby intensifying their respective frictional engagement with these surfaces, e.g. the upper and lower surfaces of the workpiece which may be massive. The machining feed drives are accommodated in the wheeled carriages and may be driven to enable these carriages in intensified frictional engagement with the surfaces to accurately and stably roll over them, so as to allow the straight-line path to move, leaving a programmed movement trajectory, relative to the workpiece to advance electroerosion along the trajectory in the workpiece.

REFERENCES:
patent: 2974216 (1961-03-01), Inoue
patent: 4205212 (1980-05-01), Ullmann et al.
patent: 4301349 (1981-11-01), Inoue
patent: 4492841 (1985-01-01), Delius

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