MECHANICAL AUTOMATIC PRESS TO FORM PARTS FROM METAL POWDERS WITH HOLE IN COMPLICATED-SHAPE CROSS SECTION Russian patent published in 2010 - IPC B22F3/03 B30B11/00 

FIELD: process engineering.

SUBSTANCE: invention relates to powder metallurgy, particularly to automatic presses, and can be used to form parts from metal powders with holes in complicated-shape cross section. Proposed automatic press comprises foundation plate and mould consisting of lower die, top and bottom punches and rod. Bottom punch is secured on push rod that accommodates pneumatic cylinder. Note here that lower die and rod forming surfaces are made inclined towards formed part hooping at no more than one degree. Press foundation accommodates rod up travel limiter fitted in its seat hole.

EFFECT: elimination of press faults and cast destruction.

2 cl, 4 dwg