Press Forging Open Die Hydraulic Seonam

Oil Hydraulic 4-Column 3-Cylinder Push Down Type Open Die Forging Press

Capacity : 3250 tons,

Stroke : 2300 mm,

Daylight : 4500 mm,

Table L-R : 6000 mm,

Table F-B : 2000 mm,

Upsetting tonnage : 3800 tons,

Press Action Push Down

Number of Columns Four

Column Centers L-to-R : 3970 mm,

Column Centers F-to-B : 2270 mm,

Number of Main Cylinders Three

Number of Pull-Back Cylinders Two

Main Cylinder diameter : 680 mm,

Return Cylinder diameter : 300 mm,

Equipped with:

-           Top die clamping device (bolting type)

-           Ø3,000mm turning die (without top plate)

-           Top & Low anvil chuck (Top 1, Low 1)

-           Anvil Flat die (Top 1, Low 1)

-           Lubrication system (Grease type)

Press speeds:

- Forging speed at 1,090 tons (one-central cylinder) 160 mm / sec

- At 2,180 tons (two-side cylinders) 119 mm/sec

- At 3,250 tons (three-all cylinders) 85 mm / sec

- Advance speed fast/slow: fast 250~300 / slow 20 mm/sec

- Return speed fast/slow: fast 250~300 / slow 20 mm/sec

- Die table slide forward fast/slow: fast 250 / slow 10 mm/sec

Press force stages:

- Forging at 300bar: 3,250 tons

- Return at 300bar: 400 tons

- Table shift at 300bar: 100 tons

Number of press strokes:

Press stroke     Penetration        Return stroke                SPM

1 cylinder            5 - 20 mm               20~50mm                   50 - 60

2 cylinders         30 - 50mm            100 - 150mm        34 - 38 & 26 - 30

3 cylinders      30/100/150mm    100/200/300mm   30-35/18-20/13-15

This Press is only ten (10) years old and has been very well maintained. It is equipped with a Rexroth Oil Hydraulic System utilizing nine (9) Rexroth Pumps, (1) model A7VO500EP and (8) model A2FO500. The main motors driving the pumps are nine (9) 300kW (402hp) for a total Pump Power of 2,700 kW (3,620 hp). Controls are Siemens S7-300.

All documentation including manuals and drawings, upgrade of hydraulic system to Servo Control, upgrade of electrical system including Siemens S7-1500, and New 3-Position Die Shift.