Method of surface impregnation of steel actuator cutting edge of tiller. RU patent 2447194.

FIELD: machine building.

SUBSTANCE: method includes saturation of a cutting edge with strengthening elements from a plaster containing 84 or 90 wt % of boron carbide and 16 or 10 wt % of a fused flux for induction fusing P-0.66. The plaster is applied onto the cutting edge and the actuator's tip at the side contacting with soil, saturation is carried out with high-frequency currents with heating of the saturated surface up to the temperature of 1250-1300°C and soaking time of 1-2 min. Subsequent thermal treatment is carried out by heating of the entire tiller up to 850-900°C with subsequent tempering in the oil medium. The fused flux for induction fusing P-0.66 contains modifiers, such as a mixture of a silicocalcium powder 20 wt % and a powder of flux AN-348A 80 wt %.

EFFECT: increased thickness of a wear resistant layer, higher ecological compatibility of the process and reduced time of the technological process.

2 cl, 3 dwg, 3 ex

IPC classes for russian patent Method of surface impregnation of steel actuator cutting edge of tiller. RU patent 2447194. (RU 2447194):

C23C8/70 - of ferrous surfaces

C23C26 - Coating not provided for in groups ; C23C0002000000-C23C0024000000

A01B35/20 - Tools; Details

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