China JSS CNC Upper Cylinder Type Four Column Hydraulic Machine - Leading Suppliers & Factory for Automotive and Metal Processing
Product Features
- ✓ The machine frame adopts the high quality steel and carbon dioxide gas protection welding, with high rigidity and high compression strength.
- ✓ Fast non-load running, high working efficiency.
- ✓ Work table moves from upper position to lower position, enhancing workpiece precision and ensuring the safety of operators when sizable workpieces are pressed.
- ✓ Lower built-in oil cylinder, easy maintenance, cleaning and oil changing.
Product Features
- ● Strong process adaptability: Suitable for a variety of pressing and molding processes, such as forging, stamping, cold extrusion, straightening, bending, flanging, deep drawing of thin plates, powder metallurgy, pressing, etc.
- ● Adjustable pressure and speed: The working pressure, pressing speed, the stroke and range of empty fast down and deceleration can be adjusted according to the process requirements.
- ● High precision: The vertical precision of the movable plate is controlled by four precision guide bushings, and the parallel precision between the lower working surface and any point of the upper working surface reaches below 0.08MM.
- ● Energy saving and environmental protection: Advanced mother-son cylinder hydraulic circuit is adopted, the oil temperature is low, the equipment is in standby mode, and the noise does not exceed 75 decibels when the slide moves up and down.
Application fields
- ■ Metal processing industry: Used for forging, stamping, cold extrusion, straightening, bending, flanging, deep drawing of thin plates, cold pressing forming of metal parts, etc.
- ■ Powder metallurgy field: Suitable for the molding of powder products, such as the pressing of various powder metallurgy parts.
- ■ Plastic products industry: It can be used for the pressing, hot pressing molding and other processes of plastic products, such as the production of plastic basins, plastic drums, plastic toys, etc.
Technique parameter
| Model | Units | JSS-100A | JSS-200A | JSS-300A | JSS-500/AA | JSS-1000/AA | JSS-1500/A | ||
| Master cylinder | Inhibit the nominal force | ton | 100 | 200 | 300 | 500 | 1000 | 1500 | |
| Deciduate nominal force | Mpa | 25 | 25 | 25 | 25 | 24 | 24 | ||
| Moving beam maximum stroke | mm | 150 | 150 | 150 | 150 | 150 | 300 | ||
| Approaching speed | mm/s | 230 | 220 | 210 | 200 | 180 | 160 | ||
| Working speed | mm/s | 7~13 | 6~10 | 5~10 | 3~4 | 3~5 | 2~7 | ||
| Return speed | mm/s | 220 | 220 | 200 | 180 | 150 | 150 | ||
| Under ejecting cylinder | Nominal Pressure | ton | 2 | 5 | 10 | 10 | 25 | 60 | |
| Dia. of ejector bar | mm | φ28 | φ28 | φ28 | φ30 | φ40 | φ50 | ||
| Ejecting stroke | mm | 10 | 15 | 20 | 25 | 50 | 100 | ||
| Upper ejecting cylinder | Nominal Pressure | ton | / | / | / | 6 | 30 | / | |
| Dia. of ejector bar | mm | / | / | / | φ30 | φ60 | / | ||
| Ejecting stroke | mm | / | / | / | 22 | 50 | / | ||
| Height of the opening and closing | mm | 380 | 400 | 500 | 550 | 700 | 760 | ||
| Bolster close height | mm | 850 | 900 | 900 | 900 | 1030 | 1095 | ||
| Bolster of M. W. T* Available | L-R (Between cylinder) | mm | 420 | 560 | 650 | 750 | 1050 | 1300 | |
| F-B (Rim) | mm | 400 | 520 | 565 | 650 | 1050 | 1130 | ||
| Over all dimension | L-R | mm | 860 | 950 | 1100 | 1660 | 2830 | 2990 | |
| F-B | mm | 1100 | 1150 | 1200 | 1280 | 2200 | 2200 | ||
| Height | mm | 2050 | 2070 | 2230 | 2700 | 3450 | 3800 | ||
| Motor power | kw | 4 | 5.5 | 7.5 | 11 | 18.5 | 30 | ||
| Weight | kg | 2000 | 4000 | 6700 | 8200 | 22000 | 30000 | ||
Frequently Asked Questions
Q: What materials are used to construct the machine frame?
The machine frame is manufactured using high-quality steel and carbon dioxide gas protection welding, which provides high rigidity and high compression strength to withstand heavy-duty operations.
Q: Can the working pressure and speed of the machine be adjusted?
Yes, the working pressure, pressing speed, and the stroke and range of the empty fast down/deceleration can all be adjusted according to your specific process requirements.
Q: What level of precision does this hydraulic machine offer?
The vertical precision of the movable plate is controlled by four precision guide bushings. The parallel precision between the lower working surface and any point of the upper working surface reaches below 0.08MM.
Q: Is the hydraulic machine energy-efficient and quiet?
Yes, it features an advanced mother-son cylinder hydraulic circuit that keeps the oil temperature low. While in standby mode or when the slide moves up and down, the noise level does not exceed 75 decibels.
Q: What industries are these hydraulic machines suitable for?
These machines are highly adaptable and widely used in the metal processing industry (forging, stamping, cold extrusion, bending), powder metallurgy field (pressing powder parts), and the plastic products industry (hot pressing molding).
Q: How is maintenance handled for the oil cylinder?
The machine is designed with a lower built-in oil cylinder, making maintenance, cleaning, and oil changing simple and highly convenient for operators.



