China JKS Upper Cylinder Frame Hydraulic Machine - Reliable Suppliers & Factory for Punching and Molding Solutions
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.
Structural Advantages
Sturdy Structure
The overall steel plate welding frame-type machine frame has good overall rigidity, high compressive strength, and strong resistance to off-load.
Adjustable Performance
The pressure, stroke, and holding time can be adjusted according to the pressing process requirements, adapting to the processing needs of different workpieces.
Quick Pressure Rise
The pressure rise is fast after mold closing, usually only taking a few seconds to reach the rated pressure, which improves work efficiency.
Easy Maintenance
Many use a bottom-mounted oil tank, which makes it convenient to replace and clean the oil tank and maintain the hydraulic system.
Application Fields
Metal Processing
Suitable for the stamping, forming, shallow drawing, shaping, and pressure assembly of metal parts, such as the manufacturing of automobile parts, hardware tools, and electronic components.
Plastic Product Processing
It can be used for the hot pressing molding of plastic sheets and the pressing of plastic parts, such as the production of plastic pallets and plastic tableware.
Composite Material
Used for the mold pressing molding of composite materials, such as the manufacturing of carbon fiber and glass fiber composite products.
Technical Parameters
| Model | Units | JKS-100/A | JKS-200/A | JKS-300/A | JKS-500/A | ||
|---|---|---|---|---|---|---|---|
| Master cylinder | Inhibit the nominal force | ton | 100 | 200 | 300 | 500 | |
| Deciduate nominal force | Mpa | 25 | 22 | 24 | 25 | ||
| Moving beam maximum stroke | mm | 110 | 150 | 150 | 150 | ||
| Fast unlink speed | mm/s | 210 | 170 | 170 | 150 | ||
| Return speed | mm/s | 180 | 120 | 120 | 100 | ||
| Ejecting cylinder | Nominal Pressure | ton | 3 | 5 | 5 | 10 | |
| Dia. of ejector bar | mm | φ28 | φ28 | φ28 | φ40 | ||
| Ejecting stroke | mm | 15 | 15 | 15 | 15 | ||
| Height of the opening and closing | mm | 310 | 350 | 400 | 450 | ||
| Bolster close height | mm | 850 | 900 | 900 | 900 | ||
| Bolster of M. W. T* Available | F-B(Rim) | mm | 430 | 500 | 580 | 640 | |
| L-R (Between cylinder) | mm | 430 | 520 | 600 | 710 | ||
| Overall dimension | L-R | mm | 980 | 1130 | 1260 | 1480 | |
| F-B | mm | 1150 | 1120 | 1340 | 1520 | ||
| Height | mm | 1930 | 2180 | 2340 | 2300 | ||
| Motor power | kw | 4 | 5.5 | 5.5 | 15 | ||
| Weight | kg | 1800 | 3600 | 4300 | 12400 | ||
Frequently Asked Questions
What are the primary application fields for this machine?
This machine is highly versatile and suitable for metal processing (stamping, forming, shallow drawing), plastic product processing (hot pressing molding of sheets/tableware), and composite material processing (carbon fiber and glass fiber mold pressing).
How does the machine design ensure operator safety?
The work table is designed to move from an upper position to a lower position. This configuration significantly enhances workpiece precision and ensures maximum operator safety when pressing sizable workpieces.
Is the hydraulic system easy to maintain?
Yes. The machine features a lower built-in oil cylinder and bottom-mounted oil tank design, which makes cleaning, oil changing, and general hydraulic system maintenance highly convenient.
Can I adjust the pressure and stroke parameters?
Yes, the pressure, stroke, and holding time can be easily adjusted to align with specific pressing process requirements, allowing the machine to adapt to various workpiece processes.
What ensures the high rigidity of the machine frame?
The machine frame is constructed using high-quality steel plates welded with carbon dioxide gas protection, ensuring excellent overall rigidity, high compressive strength, and strong resistance to off-load deformation.

