Hydrostatic press is a machine utilizing liquid as the actuating medium to transfer energy and to realize a specific process. Apart from plate forging, hydraulic press is also used for straightening, mounting, briquetting, plate pressing, plate bending, and plate straightening, etc. Chaoli hydrostatic presses are classified into water press and oil press: machines utilizing water fluid as the actuating medium are called water presses and machines adopting oil to be the actuating medium are oil presses. The type of hydrostatic press is commonly indicated by nominal working force (kN) or nominal tonnage (T). Water press is generally used for plate forging due to its large tonnage.
The structure of the hydraulic press shall be more compact with less rolls, bigger roll diameter and larger power (width unchanged) for processing thicker sheet, vise versa. Carrier rolls (pulleys) are arranged outside of the upper and lower working rolls to form a roller group structure. This 4-column hydraulic press is generally consisted of a driving part, a motor and an electric control unit.
Technical parameters of the hydraulic press
400kN Hydraulic Press | Model | YJZ32-40 |
| Nominal pressure (kN) | 400 |
| Ejector force (kN) | 12 |
| Max hydraulic pressure (MPa) | 25 |
| Max sliding stroke (mm) | 400 |
| Max stroke of the ejection piston (mm) | 150 |
| Opening height (mm) | 600 |
| Sliding speed of the slider | moving downward with no load (mm/s) | 100 |
| working (mm/s) | 10 |
| returning (mm/s) | 52 |
| Effective dimension of the working table | length (mm) | 500 |
| width (mm) | 460 |
| Overall dimensions of the machine | length (mm) | 1800 |
| width (mm) | 1200 |
| height (mm) | 2600 |
| Motor power (kw) | 4 |
630kN Hydraulic Press | Model | YJZ32-63 |
| Nominal pressure (kN) | 630 |
| Ejector force (kN) | 190 |
| Max hydraulic pressure (MPa) | 25 |
| Max sliding stroke (mm) | 500 |
| Max stroke of the ejection piston (mm) | 160 |
| Opening height (mm) | 700 |
| Sliding speed of the slider | moving downward with no load (mm/s) | 100 |
| working (mm/s) | 25 |
| returning (mm/s) | 80 |
| Effective dimension of the working table | length (mm) | 560 |
| width (mm) | 500 |
| Overall dimensions of the machine | length (mm) | 2400 |
| width (mm) | 1400 |
| height (mm) | 3100 |
| Motor power (kw) | 7.5 |
1000kN Hydraulic Press | Model | YJZ32-100 | YJZ32-100E |
| Nominal pressure (kN) | 1000 | 1000 |
| Ejector force (kN) | 190 | 400 |
| Max hydraulic pressure (MPa) | 25 | 25 |
| Max sliding stroke (mm) | 600 | 600 |
| Max stroke of the ejection piston (mm) | 200 | 200 |
| Opening height (mm) | 900 | 900 |
| Sliding speed of the slider | moving downward with no load (mm/s) | 100 | 120 |
| working (mm/s) | 10 | 16 |
| returning (mm/s) | 50 | 80 |
| Effective dimension of the working table | length (mm) | 720 | 750 |
| width (mm) | 580 | 640 |
| Overall dimensions of the machine | length (mm) | 2500 | 2700 |
| width (mm) | 1500 | 1700 |
| height (mm) | 3150 | 3400 |
| Motor power (kw) | 7.5 | 11 |
1600kN Hydraulic Press | Model | YJZ32-160C |
| Nominal pressure (kN) | 1600 |
| Ejector force (kN) | 400 |
| Max hydraulic pressure (MPa) | 25 |
| Max sliding stroke (mm) | 700 |
| Max stroke of the ejection piston (mm) | 250 |
| Opening height (mm) | 1000 |
| Sliding speed of the slider | moving downward with no load (mm/s) | 120 |
| working (mm/s) | 10 |
| returning (mm/s) | 50 |
| Effective dimension of the working table | length (mm) | 1000 |
| width (mm) | 800 |
| Overall dimensions of the machine | length (mm) | 2700 |
| width (mm) | 1700 |
| height (mm) | 3400 |
| Motor power (kw) | 11 |
2000kN Hydraulic Press | Model | YJZ32-200A |
| Nominal pressure (kN) | 2000 |
| Ejector force (kN) | 4000 |
| Max hydraulic pressure (MPa) | 25 |
| Max sliding stroke (mm) | 700 |
| Max stroke of the ejection piston (mm) | 250 |
| Opening height (mm) | 1100 |
| Sliding speed of the slider | moving downward with no load (mm/s) | 100 |
| working (mm/s) | 12 |
| returning (mm/s) | 80 |
| Effective dimension of the working table | length (mm) | 1000 |
| width (mm) | 900 |
| Overall dimensions of the machine | length (mm) | 2825 |
| width (mm) | 1500 |
| height (mm) | 3725 |
| Motor power (kw) | 15 |
3150kN Hydraulic Press | Model | YJZ32-315A |
| Nominal pressure (kN) | 3150 |
| Ejector force (kN) | 630 |
| Max hydraulic pressure (MPa) | 25 |
| Max sliding stroke (mm) | 800 |
| Max stroke of the ejection piston (mm) | 300 |
| Opening height (mm) | 1200 |
| Sliding speed of the slider | moving downward with no load (mm/s) | 100 |
| working (mm/s) | 12 |
| returning (mm/s) | 60 |
| Effective dimension of the working table | length (mm) | 1250 |
| width (mm) | 1200 |
| Overall dimensions of the machine | length (mm) | 3235 |
| width (mm) | 1500 |
| height (mm) | 4295 |
| Motor power (kw) | 18.5 |
4000kN Hydraulic Press | Model | YJZ32-400 |
| Nominal pressure (kN) | 4000 |
| Ejector force (kN) | 630 |
| Max hydraulic pressure (MPa) | 25 |
| Max sliding stroke (mm) | 800 |
| Max stroke of the ejection piston (mm) | 300 |
| Opening height (mm) | 1300 |
| Sliding speed of the slider | moving downward with no load (mm/s) | 100 |
| working (mm/s) | 12 |
| returning (mm/s) | 45 |
| Effective dimension of the working table | length (mm) | 1250 |
| width (mm) | 1200 |
| Overall dimensions of the machine | length (mm) | 3235 |
| width (mm) | 1500 |
| height (mm) | 4500 |
| Motor power (kw) | 22 |
5000kN Hydraulic Press | Model | YJZ32-500B | YJZ32-500C |
| Nominal pressure (kN) | 5000 | 5000 |
| Ejector force (kN) | 1000 | 1000 |
| Max hydraulic pressure (MPa) | 25 | 25 |
| Max sliding stroke (mm) | 900 | 900 |
| Max stroke of the ejection piston (mm) | 350 | 350 |
| Opening height (mm) | 1500 | 1500 |
| Sliding speed of the slider | moving downward with no load (mm/s) | 100 | 100 |
| working (mm/s) | 12 | 12 |
| returning (mm/s) | 80 | 80 |
| Effective dimension of the working table | length (mm) | 1400 | 2200 |
| width (mm) | 1400 | 1400 |
| Overall dimensions of the machine | length (mm) | 4060 | 6500 |
| width (mm) | 1800 | 1800 |
| height (mm) | 4995 | 4740 |
| Motor power (kw) | 37 | 37 |
6300kN Hydraulic Press | Model | YJZ32-630 |
| Nominal pressure (kN) | 6300 |
| Ejector force (kN) | 1000 |
| Max hydraulic pressure (MPa) | 25 |
| Max sliding stroke (mm) | 900 |
| Max stroke of the ejection piston (mm) | 350 |
| Opening height (mm) | 1500 |
| Sliding speed of the slider | moving downward with no load (mm/s) | 100 |
| working (mm/s) | 12 |
| returning (mm/s) | 50 |
| Effective dimension of the working table | length (mm) | 1500 |
| width (mm) | 1500 |
| Overall dimensions of the machine | length (mm) | 4200 |
| width (mm) | 2000 |
| height (mm) | 5600 |
| Motor power (kw) | 45 |
800kN Hydraulic Press | Model | YJZ32-800 |
| Nominal pressure (kN) | 8000 |
| Ejector force (kN) | 1600 |
| Max hydraulic pressure (MPa) | 25 |
| Max sliding stroke (mm) | 900 |
| Max stroke of the ejection piston (mm) | 450 |
| Opening height (mm) | 1600 |
| Sliding speed of the slider | moving downward with no load (mm/s) | 100 |
| working (mm/s) | 8 |
| returning (mm/s) | 50 |
| Effective dimension of the working table | length (mm) | 1800 |
| width (mm) | 1600 |
| Dimension of the machine | length (mm) | 4800 |
| width (mm) | 4000 |
| height (mm) | 6000 |
| Motor power (kw) | 45 |
10000kN Hydraulic Press | Model | YJZ32-1000 |
| Nominal pressure (kN) | 10000 |
| Ejector force (kN) | 1600 |
| Max hydraulic pressure (MPa) | 25 |
| Max sliding stroke (mm) | 900 |
| Max stroke of the ejection piston (mm) | 450 |
| Opening height (mm) | 1600 |
| Sliding speed of the slider | moving downward with no load (mm/s) | 80 |
| working (mm/s) | 10 |
| returning (mm/s) | 50 |
| Effective dimension of the working table | length (mm) | 2000 |
| width (mm) | 1800 |
| Dimension of the machine | length (mm) | 5200 |
| width (mm) | 4300 |
| height (mm) | 6450 |
| Motor power (kw) | 60 |
125000kN Hydraulic Press | Model | YJZ32-1250 |
| Nominal pressure (kN) | 12500 |
| Ejector force (kN) | 2000 |
| Max hydraulic pressure (MPa) | 25 |
| Max sliding stroke (mm) | 900 |
| Max stroke of the ejection piston (mm) | 450 |
| Opening height (mm) | 1600 |
| Sliding speed of the slider | moving downward with no load (mm/s) | 80 |
| working (mm/s) | 8 |
| returning (mm/s) | 50 |
| Effective dimension of the working table | length (mm) | 2000 |
| width (mm) | 1800 |
| Dimension of the machine | length (mm) | 5200 |
| width (mm) | 4300 |
| height (mm) | 6450 |
| Motor power (kw) | 60 |
16000kN Hydraulic Press | Model | YJZ32-1600 |
| Nominal pressure (kN) | 16000 |
| Ejector force (kN) | 2000 |
| Max hydraulic pressure (MPa) | 25 |
| Max sliding stroke (mm) | 1000 |
| Max stroke of the ejection piston (mm) | 300 |
| Opening height (mm) | 1800 |
| Sliding speed of the slider | moving downward with no load (mm/s) | 100 |
| working (mm/s) | 10 |
| returning (mm/s) | 80 |
| Effective dimension of the working table | length (mm) | 2400 |
| width (mm) | 2000 |
| Dimension of the machine | length (mm) | 6500 |
| width (mm) | 4500 |
| height (mm) | 6500 |
| Motor power (kw) | ≈120 |
20000kN Hydraulic Press | Model | YJZ32-2000 |
| Nominal pressure (kN) | 20000 |
| Ejector force (kN) | 2000 |
| Max hydraulic pressure (MPa) | 25 |
| Max sliding stroke (mm) | 1200 |
| Max stroke of the ejection piston (mm) | 300 |
| Opening height (mm) | 2000 |
| Sliding speed of the slider | moving downward with no load (mm/s) | 100 |
| working (mm/s) | 10 |
| returning (mm/s) | 70 |
| Effective dimension of the working table | length (mm) | 2500 |
| width (mm) | 2000 |
| Dimension of the machine | length (mm) | 6500 |
| width (mm) | 4500 |
| height (mm) | 6800 |
| Motor power (kw) | ≈145 |
25000kN Hydraulic Press | Model | YJZ32-2500 |
| Nominal pressure (kN) | 25000 |
| Ejector force (kN) | 2500 |
| Max hydraulic pressure (MPa) | 25 |
| Max sliding stroke (mm) | 900 |
| Max stroke of the ejection piston (mm) | 450 |
| Opening height (mm) | 1800 |
| Sliding speed of the slider | moving downward with no load (mm/s) | 100 |
| working (mm/s) | 10 |
| returning (mm/s) | 60 |
| Effective dimension of the working table | length (mm) | 2500 |
| width (mm) | 2380 |
| Dimension of the machine | length (mm) | 6600 |
| width (mm) | 4500 |
| height (mm) | 8450 |
| Motor power (kw) | ≈145 |
30000kN Hydraulic Press | Model | YJZ32-3000 |
| Nominal pressure (kN) | 30000 |
| Ejector force (kN) | 2500 |
| Max hydraulic pressure (MPa) | 25 |
| Max sliding stroke (mm) | 1200 |
| Max stroke of the ejection piston (mm) | 450 |
| Opening height (mm) | 1800 |
| Sliding speed of the slider | moving downward with no load (mm/s) | 120 |
| working (mm/s) | 10 |
| returning (mm/s) | 80 |
| Effective dimension of the working table | length (mm) | 4000 |
| width (mm) | 2500 |
| Dimension of the machine | length (mm) | 9000 |
| width (mm) | 4600 |
| height (mm) | 10000 |
| Motor power (kw) | ≈180 |
35000kN Hydraulic Press | Model | YJZ32-3500 |
| Nominal pressure (kN) | 35000 |
| Ejector force (kN) | 3150 |
| Max hydraulic pressure (MPa) | 25 |
| Max sliding stroke (mm) | 1200 |
| Max stroke of the ejection piston (mm) | 450 |
| Opening height (mm) | 2500 |
| Sliding speed of the slider | moving downward with no load (mm/s) | 120 |
| working (mm/s) | 10 |
| returning (mm/s) | 100 |
| Effective dimension of the working table | length (mm) | 4000 |
| width (mm) | 1500 |
| Dimension of the machine | length (mm) | 8000 |
| width (mm) | 2500 |
| height (mm) | 11000 |
| Motor power (kw) | ≈250 |
40000kN Hydraulic Press | Model | YJZ32-4000 |
| Nominal pressure (kN) | 40000 |
| Ejector force (kN) | 4000 |
| Max hydraulic pressure (MPa) | 25 |
| Max sliding stroke (mm) | 900 |
| Max stroke of the ejection piston (mm) | 360 |
| Opening height (mm) | 1500 |
| Sliding speed of the slider | moving downward with no load (mm/s) | 100 |
| working (mm/s) | 8 |
| returning (mm/s) | 60 |
| Effective dimension of the working table | length (mm) | 5000 |
| width (mm) | 1600 |
| Dimension of the machine | length (mm) | 12100 |
| width (mm) | 3700 |
| height (mm) | 7650 |
| Motor power (kw) | ≈350 |
50000kN Hydraulic Press | Model | YJZ32-5000 |
| Nominal pressure (kN) | 50000 |
| Ejector force (kN) | 8000 |
| Max hydraulic pressure (MPa) | 25 |
| Max sliding stroke (mm) | 900 |
| Max stroke of the ejection piston (mm) | 350 |
| Opening height (mm) | 1500 |
| Sliding speed of the slider | moving downward with no load (mm/s) | 100 |
| working (mm/s) | 8 |
| returning (mm/s) | 80 |
| Effective dimension of the working table | length (mm) | 5000 |
| width (mm) | 1600 |
| Dimension of the machine | length (mm) | 12100 |
| width (mm) | 3700 |
| height (mm) | 7850 |
| Motor power (kw) | ≈450 |
