FIELD: mechanics.
SUBSTANCE: proposed method includes assembling key and key slot, electric-contact processing that includes heating workpiece by moving tool-electrode along the key slot and key side surfaces to harden workpiece surface without affecting area of strain concentrators nearby the key slot base and the key side surface. Note here the tool-electrode radius is equal to the diameter of workpiece being processed, while the tool-electrode contact surface width makes 0.1 of the key slot width.
EFFECT: higher quality of machining in producing key slots on inner and outer surfaces.
1 dwg, 2 ex
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RU2749648C1 |
