FIELD: production of hollow forges. SUBSTANCE: die has piercing punch with annular tightening bead, half-dies with central and side cavities and side punches. Working part of each is inclined relative to axis of symmetry of central cavity and elevated in the direction of piercing punch. Half-die side cavity walls are made cylindrical. Angle of inclination of working part axis of each side punch with respect to longitudinal axis of symmetry of side cavity is 0.8-1.0 of its flare angle. EFFECT: increased efficiency and enhanced reliability in operation. 2 cl, 1 dwg
Title | Year | Author | Number |
---|---|---|---|
DIE FOR MANUFACTURING HOLLOW FORGES WITH TWO SIDE PIPES | 1991 |
|
RU2021066C1 |
DEVICE FOR STAMPING HOLLOW PIECES OF WORK | 0 |
|
SU1821284A1 |
DIE FOR MAKING HOLLOW FORGINGS HAVING SIDE TAGS | 0 |
|
SU1586844A1 |
PUNCHING METHOD OF WELDING NECK FLANGE FORGING | 2007 |
|
RU2352431C2 |
DIE FOR EXTRUDING ARTICLES | 0 |
|
SU1278098A1 |
FORGING PRESS TOOL | 0 |
|
SU1731397A1 |
METHOD TO MANUFACTURE FORGED PIECES, SUCH AS COVERS OR BOTTOMS | 2013 |
|
RU2567416C2 |
DIE SET FOR MAKING TUBULAR ARTICLES WITH LOCAL ANNULAR EXPANSION | 0 |
|
SU832855A1 |
METHOD OF PRESSING HOLLOW ARTICLES | 0 |
|
SU565765A1 |
CASING OF PUMP | 1989 |
|
RU2020285C1 |
Authors
Dates
1994-10-15—Published
1991-03-21—Filed