1250 tons Press Forging Open Die Hydraulic Dnepropetrovsk PB1341

Capacity : 1250 tons,

Rated press force :

- first stage : 260 tons,

- second stage : 800 tons,

- third stage : 1250 tons,

Permissible eccentricity : 125 mm,

Movable cross-beam stroke : max 1250

Distance between the table and the movable cross-beam in its up position : 2650 mm,

Working zone daylight dimensions:

- across forging center line : 1900 mm,

- along forging center line : 900 mm,

Movable table dimensions :

width : 1250 mm,

length : 3150 mm,

Movable table stroke relative to the press center line :

in one direction : 1400 mm,

in the other direction : 1400 mm,

Movable table force : 300 kN,

Movable table speed : 50...300 mm/s,

Ejector stroke above the table : 400 mm,

Ejector force : 630 kN,

Number of bottom die-change system stations, Nos 3

Movable cross-beam speed :

- at approach (idle) stroke : 300 mm/s,

-at return stroke : 300 mm/s,

- at working stroke at a force up to 75% of the rated force : 150 mm/s,

Movable cross-beam strokes, spm :

- working strokes at a force up to 75% of the rated force and at 22 mm stroke length : 160 mm,

- finishing strokes at a force up to 25% of the rated force and at min. 20 mm stroke length : 90 mm,

- finishing strokes at a force up to 12% of the rated force and at min. 20 mm stroke length : 100 mm,

Movable cross-beam positional accuracy when stopped at automatic forging mode : ±1,5 mm,

Control mode :

- manual,

- semi-automatic (manual operation with movable cross-beam automatic stopping as per preset bottom position),

- automatic,

Press drive : Pump-and-accumulator station

Working fluid : Water emulsion

Working fluid pressure : 32 MPa,

Accumulator working volume : 500 l,

Hydraulic station pump capacity : 1500 l/min,

Air pressure in filling unit : 0,6...0,8 MPa,

Overall dimensions of the press :

- in plane (length & width) : 16950 x 12100 mm,

- height : 7270 mm,

Overall dimensions of the press with ejector and bottom die- change system, mm

- in plane (length & width) : 16950 x 13740 mm,

- height : 11410 mm,

Press height above floor level : 7270 mm,

Foundation pit depth max : 4300 mm,

Plain round forged parts, forged product weight complete with a test sample up to 3500 kg.                    

Flanged round forged parts, length up to 7800 mm.

Forged parts of square section with min. dimensions 140x140.

Forged pinions w/o a hole (diameter up to 1000 mm and weight up to 2000 kg).

Forged pinions with a hole (up to 2000 kg) with min. diameter 240 mm and max. height 700 mm.                 

Forged rolled rings in weight range from 200 up to 2000 kg, height range from 160 mm up to 650 mm and diameter up to 1700 mm.

Forged hollow-type parts (cylinder-type parts) with length up to 2000 mm with ID from 120 mm up to 315 mm.                    

Forged clutch-type and disc-type parts with a hole, weight up to 2000 kg.

Forged elliptic bottom-type parts with diameter from 315 up to 1600 mm, thickness from 6 up to 12 mm.