| 摘要 |
FIELD: mining industry, in particular, manufacture of cutting tools for mining and road-building machines. SUBSTANCE: carbide tip has cutting, cylindrical flanged and supporting parts. Two groups of bosses are positioned on the tapered surface of the supporting part, The diameter ratio of the circles, on which the respective groups of bosses are located, makes up 1.3 to 1.5. The cylindrical surface of the flanged part carries centering members. The bosses are shifted relative to one another in circumference. EFFECT: enhanced reliability. 2 cl, 2 dwg |
