BLANK RADIAL FORGING METHOD AND FOUR-STRIKER FORGING APPARATUS FOR PERFORMING THE SAME Russian patent published in 2006 - IPC B21J1/04 B21J13/00 B21J7/16 

FIELD: plastic working of metals, possibly radial forging of ingots and blanks.

SUBSTANCE: method comprises steps of forging heated blank in one set of strikers mounted in simultaneously moving holders at deformation degree 30 - 90%. Forging process includes individual procedures of squeezing blank, feeding and tilting it. Individual squeezing procedures are realized by depth whose value is determined according to given relation. Method is performed in apparatus having strikers with working surface formed by several planes; holders of upper and lower strikers with inclined sliding faces relative to which inclined sliding faces of holders of lateral strikers are moved. Lateral strikers are coupled with holders of upper and lower strikers through eight guides with П-shaped cross section. Strikers have cross sections with working portions in the form of isosceles trapezium. Forming lock joint inner faces of П-shaped guides and embraced by them faces of holders of strikers are inclined by angle 0 - 170° relative to mounting plane of guide to striker holder.

EFFECT: improved efficiency and quality of forging, improved wear resistance of tools.

6 cl, 10 dwg, 1 ex, 3 tbl