FIELD: transport.
SUBSTANCE: method includes half-yoke manufacturing of sheet metal and producing in it holes for connection bolts. In this process, half-yoke manufacturing and producing holes in it is performed by cutting sheet material with hydroabrasive jet at feed water pressure of 3800-3900 bar, compressed air for abrasive feed pressure - 4.5-5.0 bar, distance from hydroabrasive unit nozzle to sheet material being cut - 3-5 mm and abrasive material consumption of 650-700 g/min. As abrasive material for jet formation the garnet sand with particle size of 0.16-0.2 mm is used.
EFFECT: higher bonding strength.
5 cl, 1 dwg, 1 ex
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