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Open Die Hydraulic Forging Press
Technical Specifications:
| Tonnage |
16500 ton |
| Operating pressure |
50/100/150/165 MN |
| Operating media |
Oil/water |
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Anti-friction hydraulic oil |
| Design pressure of the systems |
35 MPa |
| Normal pressure of the systems |
31.5 MPa |
| Drive type |
Oil / water pumps (Direct drive) |
| Ram stroke |
3500 mm |
| Daylight opening |
8000 mm |
| Distance between columns (L-R) |
7000 mm |
| Offset distance of loading at 165 MN |
300 mm |
| Offset distance of loading at 110 MN |
400 mm |
| Offset distance of loading at 55MN |
750 mm |
| Table size |
5000 x 12000 mm |
| Table travel |
2 x 6500 mm |
| Table return force |
2 x 11 MN |
| Table feed force |
8 MN |
| Accuracy of forging workpiece |
+/- 2.5 mm |
| Forging speed |
80 ~ 240 mm/s |
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Forging frequency |
| Fast forging (50 MN), stroke |
100 mm |
| Planishing down stroke |
50 mm, 20 times/min |
| Normal forging (100 MN), stroke |
400 mm |
| Planishing down stroke |
150 mm, 8 times/min |
| Normal forging (150 MN), stroke |
600 mm |
| Planishing down stroke |
240 mm, 5 times/min |
| Normal forging (165 MN), stroke |
780 mm |
| Planishing down stroke |
280 mm, 3 ~ 4 times/min |
| Normal forging (165 MN), stroke |
1200 mm |
| Planishing down stroke |
850 mm, 1 ~ 2 times/min |
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| Total height of the machine |
25,600 mm |
| Machine height above ground |
18,000 mm |
| Machine depth underground |
7,600 mm |
| Floor space occupied |
11,520 x 36,640 mm |
| Max. weight of workpiece |
450 ton |
| Total weight of the machine |
3600 ton |
Rail-Bound Forging Manipulator
System Capabilities
| Carrying capacity |
250 ton |
| Tongs moment |
630 ton/m |
| Load moment |
18,075 kNm |
| (related to centre of front wheels) |
1,800 ton/m |
| Static stability factor |
2.5 |
Main Dimensions
| Length, approx. |
23 m |
| Width, approx. |
9.4 m |
| Height, approx. |
9.9 m |
| Center distance of rail |
6.9 m |
| Traveling distance |
28 m |
| Height of upper edge of rail over ground |
± 0 m |
| Minimum space between bottom of oil tank and ground |
0.25 m |
Weights and Wheel Loads
| Machine Weight on rails, approx. |
2,000 ton |
| Weight of Lantern Racks, approx. |
20 ton |
| (2 lantern racks for a travel distance of 28 meters ) |
Clamping Plier
| Maximum clampable round |
4,000 mm |
| Maximum clampable square |
3,400 mm |
| Minimum clampable round and square |
1,100 mm |
| Minimum clampable round and square with inserts |
600 mm |
| Opening and closing speed of clamp plier |
100 mm/sec |
| Turning diameter of max. Clamp plier |
5,700 mm |
| Lowest distance of clamp plier from rail height |
1,500 mm |
| Maximum pararell vertical height above rail |
5,150 mm |
| Displacement/movement speed of vertical height |
100 mm/sec |
| Angle of elevation |
5 degree |
| Angle of depression |
10 degree |
| Speed of elevation & depression |
100 mm/sec |
Horizontal left and right displacement/Movement distance |
± 345 mm |
| Speed of horizontal movement |
75 mm/sec |
| Clamp angle of horizontal movement |
±3.5 deg. |
| Clamp speed of horizontal side clamp |
0.85 sec/deg. |
| Traveling accuracy of horizontal clamp |
2 mm |
Traveling distance of horizontal backward And forward hydraulic cusshion |
±600 mm |
Traveling distance of vertical hydraulic cusshion/Damping |
±250 mm |
| Clamping depth of plier |
1,450 mm |
Note: There are a total of three (3) types of clamping jaws offerred; namely:
(1) Permanently installed standard jaws, which the range of the clamping diameters are
from 1,100 to 4,000 mm;
(2) There is additional jaws avalable with different size jaws, which the range of the
clamping diameter are from 600 to 2,800 mm; and
(3) Fianlly, there is the extension arms for discs, which the range of the clamping
diameter are from 0 to 6,000 mm.
Traveling Drive
| Running speed (Forging mode w/250 ton Load) |
0 – 15 m/min |
| Running speed (Transport mode w/250 ton Load) |
15 – 30 m/min |
| Running acceleration (Forging mode w/250 ton Load |
1.2 mm/sec2 |
| Running acceleration (Transport mode w/250 ton Load) |
0.6 mm/sec2 |
| Traveling accuracy |
±5 mm |
| Rotating speed of clamp plier |
0 – 30 deg./sec |
| Positioning accuracy for clamp plier rotation |
±5 degree |
| Usable torque at clamp plier |
1,200 kNm |
| Total torque of drive units at clamp plier |
2,230 kNm |
The drive is equipped with an automatic hydraulic gear. The switching between the two gears is operated without the interruption of the machine motions according to the needs of the forging processes.
Hydraulic System
| Hydraulic working pressure |
25 MPa |
| Hydraulic tongs pressure |
35 MPa |
Hydraulic Pump Aggregate |
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High pressure axial piston pumps with pressure
compensation for the supply of the hydraulic |
Accumulator system driven by six (6) Electric-motors, output: |
6 x 200 kW
1,000 rpm |
| Axial piston ration six (6) pumps |
6 x 470 l/min
250 bar |
| Cooling circuit motors |
2 x 75 kW
1,500 rpm |
| Cooling circuit pumps |
1,500 l/min
10 bar |
| Pressure control motor |
1 x 75 kW 1,000 rpm |
| Pressure control pump |
235 l/min
160 bar |
| Pumps for clamping plier (one for backup) |
2 x 22.5 l/min
350 bar |
| Motors for clamping plier (one for backup) |
2 x 15 kW
1,500 rpm |
| Accumulator |
2 x 250 liter |
| Oil tank |
1 x 20,000 liter |
| Oil grade |
ISO VG46 |
Hydraulic Oil Cooling System (on condition of a constant water
inlet temperature of ≤ 35°C) |
Water-/oil cooling system |
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| Cooling capacity |
350 kW |
| Required Cooling water flow |
1,070 l/min |
Total Output Power
| Main motors output |
1,200 kW |
| Total electrical motors power |
1,380 kW |
| Hydraulic oil cooling |
500 kW |
| Voltage for main motors |
380 ± 10% V |
| Control voltage |
220 ± 10% V |
| Frequency |
50 ± 10% Hz |
Central Lubrication System
Central lubrication system, Automatically controllable via the PLC-system,
(except manual lubrication of tongs)
| Electrical motor output |
1.0 kW |
Material Consumption
| Volume of oil filling |
20,000 liter |
| Cooling water flow rate |
1,200 l/min |
| Minimum water pressure |
0.4 Mpa |
| Water temperature |
≤ 35o |
| Compressed air pressure |
0.40 – 0.45 MPa |
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