APPARATUS FOR LARGE-SCALE PIECES MOULDING OF POWDER MIXTURES Russian patent published in 1996 - IPC

FIELD: powder metallurgy. SUBSTANCE: apparatus has vibrating table with shock absorbers, lower and upper punches, housing with drive of vertical motion and die with stops, mechanism of die and lower punch pressing to vibrating table, vibration exciters fixed on die, elastic washers. Core is fixed with capability to move in central holes of vibrating table bad-frame base and lower punch. Core is mounted on additional beam with capability of vertical motion using hydraulic cylinders fixed on base. Core is capable to vibrate using located on frame vibrators and it has grooves, in which spring-loaded cams are fixed moved by guiding bush fixed in base. EFFECT: improved design. 2 cl, 3 dwg