FIELD: technological processes.
SUBSTANCE: invention can be used in production of plastic deformation of composite parts like forging of internal combustion engine disk valve. One performs simultaneous formation of holes in head metal billet and its assembly with rod-shaped metal billet. For this purpose, rod workpiece is pressed into head piece heated to forging temperature. Then they are deformed to produce permanent joint. Indentation of rod workpiece is performed with application to head workpiece of counterpressure force, which is determined based on counter pressure tension. Tension value of counter pressure is selected from given range.
EFFECT: higher quality of composite parts.
1 cl, 3 dwg, 1 ex
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