FIELD: tool fabrication. SUBSTANCE: method for working tool of low-carbon high-speed steel includes cementation with applying paste on tool working surface when submerging tool working section in ceramic cells filled with the paste. The tool is heated together with ceramic holders at 250 500 C/h up to 1000 1040 C temperature and held for 0.5 1.5 h, then it is cooled at 60 220 C/h speed to 500 650 C temperature. The paste has graphite, nitrogen/carbon component and binder. Synthetic glue and carboxymethyl cellulose may be added to the paste as a binding agent. EFFECT: higher quality. 11 cl, 1 dwg, 1 tbl
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Authors
Dates
1995-08-09—Published
1992-09-03—Filed