FIELD: process engineering.
SUBSTANCE: invention relates to machine building and may be used for hardening of parts. Parts are hardened by mix of 0.5-5 mm dia-balls and 0.10-0.02 mm dia-microballs with hardness HRC 60-64 at pressure of 0.6 MPa.
EFFECT: higher quality of hardened surface.
1 dwg, 1 ex
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