China JSS CNC Upper Cylinder Type Four Column Hydraulic Machine - Reliable Suppliers and Factory for Precision Parts 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 | ||
| BolsterofM. W. T* Available | L-R (Between cylinden) | 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 is the advantage of the lower built-in oil cylinder?
The lower built-in oil cylinder design provides easier maintenance, simplified cleaning, and convenient oil changes compared to traditional overhead configurations.
Q: Can the pressure and stroke speed be customized?
Yes, the working pressure, pressing speed, and stroke limits for both fast down and deceleration modes can be adjusted according to your specific processing requirements.
Q: What is the precision level of this hydraulic machine?
The vertical precision is controlled by four precision guide bushings, and the parallel precision between the upper and lower working surfaces reaches below 0.08mm.
Q: What industries are best suited for this machine?
It is highly suitable for the metal processing industry (forging, stamping, deep drawing), powder metallurgy (powder parts molding), and the plastic products industry (hot pressing molding).
Q: Does the machine generate high levels of noise during operation?
No, the machine features an advanced mother-son cylinder hydraulic circuit which keeps the oil temperature low and limits operational noise to under 75 decibels.



